* ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] drm/i915: Move shared dpll code to a new file
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
@ 2016-03-03 12:02 ` Patchwork
2016-03-03 13:31 ` Ander Conselvan De Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 2/6] drm/i915: Move ddi shared dpll code to intel_dpll_mgr.c Ander Conselvan de Oliveira
` (4 subsequent siblings)
5 siblings, 1 reply; 8+ messages in thread
From: Patchwork @ 2016-03-03 12:02 UTC (permalink / raw)
To: Ander Conselvan de Oliveira; +Cc: intel-gfx
== Series Details ==
Series: series starting with [RESEND,FOR,CI,1/6] drm/i915: Move shared dpll code to a new file
URL : https://patchwork.freedesktop.org/series/4055/
State : failure
== Summary ==
Series 4055v1 Series without cover letter
http://patchwork.freedesktop.org/api/1.0/series/4055/revisions/1/mbox/
Test drv_module_reload_basic:
incomplete -> PASS (snb-dellxps)
Test kms_pipe_crc_basic:
Subgroup suspend-read-crc-pipe-b:
pass -> INCOMPLETE (hsw-gt2)
bdw-nuci7 total:169 pass:158 dwarn:0 dfail:0 fail:0 skip:11
bdw-ultra total:169 pass:155 dwarn:0 dfail:0 fail:0 skip:14
bsw-nuc-2 total:169 pass:137 dwarn:1 dfail:0 fail:1 skip:30
byt-nuc total:169 pass:144 dwarn:0 dfail:0 fail:0 skip:25
hsw-brixbox total:169 pass:154 dwarn:0 dfail:0 fail:0 skip:15
hsw-gt2 total:54 pass:49 dwarn:0 dfail:0 fail:0 skip:4
ilk-hp8440p total:169 pass:119 dwarn:0 dfail:0 fail:0 skip:50
ivb-t430s total:169 pass:154 dwarn:0 dfail:0 fail:0 skip:15
skl-i5k-2 total:169 pass:153 dwarn:0 dfail:0 fail:0 skip:16
skl-i7k-2 total:169 pass:153 dwarn:0 dfail:0 fail:0 skip:16
snb-dellxps total:169 pass:145 dwarn:1 dfail:0 fail:0 skip:23
snb-x220t total:169 pass:145 dwarn:1 dfail:0 fail:1 skip:22
Results at /archive/results/CI_IGT_test/Patchwork_1522/
99ba2daf15b76f01916dc645b8d1b03dbbabf13c drm-intel-nightly: 2016y-03m-03d-08h-27m-26s UTC integration manifest
5b83e778a311602b2d0fd768ec68b981ffdca00f drm/i915: Move shared dpll function prototypes to intel_dpll_mgr.h
79ac3787085a9bb4b447ea0ef9f8fdc9326b4a1b drm/i915: Move shared dpll struct definitions to separate header file
800e835a449b6d57c87ee687ab2e8bc0f8fc0983 drm/i915: Store a direct pointer to shared dpll in intel_crtc_state
335e84b598184d8a061a949c3e1eecb27f0267c2 drm/i915: Split intel_get_shared_dpll() into smaller functions
86403971f58d7d8aeeb4a62b0171fbe895dd6c82 drm/i915: Move ddi shared dpll code to intel_dpll_mgr.c
6f2a88e92eb337f2e659beb74d19db9b30fa364e drm/i915: Move shared dpll code to a new file
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file
@ 2016-03-03 12:03 Ander Conselvan de Oliveira
2016-03-03 12:02 ` ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] " Patchwork
` (5 more replies)
0 siblings, 6 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
Create the new file intel_dpll_mgr.c and move the shared dpll code to
it. Follow up patches that reorganize pll handling will move more code
there and tweak the interface.
No functional changes.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/intel_display.c | 348 +-------------------------------
drivers/gpu/drm/i915/intel_dpll_mgr.c | 368 ++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 8 +
4 files changed, 379 insertions(+), 346 deletions(-)
create mode 100644 drivers/gpu/drm/i915/intel_dpll_mgr.c
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 0851de07..5558a03 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -56,6 +56,7 @@ i915-y += intel_audio.o \
intel_atomic_plane.o \
intel_bios.o \
intel_display.o \
+ intel_dpll_mgr.o \
intel_fbc.o \
intel_fifo_underrun.o \
intel_frontbuffer.o \
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 08c3631..565a50e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1184,34 +1184,6 @@ static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state)
#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
-struct intel_shared_dpll *
-intel_crtc_to_shared_dpll(struct intel_crtc *crtc)
-{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
-
- if (crtc->config->shared_dpll < 0)
- return NULL;
-
- return &dev_priv->shared_dplls[crtc->config->shared_dpll];
-}
-
-/* For ILK+ */
-void assert_shared_dpll(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- bool state)
-{
- bool cur_state;
- struct intel_dpll_hw_state hw_state;
-
- if (WARN(!pll, "asserting DPLL %s with no DPLL\n", onoff(state)))
- return;
-
- cur_state = pll->get_hw_state(dev_priv, pll, &hw_state);
- I915_STATE_WARN(cur_state != state,
- "%s assertion failure (expected %s, current %s)\n",
- pll->name, onoff(state), onoff(cur_state));
-}
-
static void assert_fdi_tx(struct drm_i915_private *dev_priv,
enum pipe pipe, bool state)
{
@@ -1448,21 +1420,8 @@ static void assert_vblank_disabled(struct drm_crtc *crtc)
drm_crtc_vblank_put(crtc);
}
-static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
-{
- u32 val;
- bool enabled;
-
- I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev)));
-
- val = I915_READ(PCH_DREF_CONTROL);
- enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK |
- DREF_SUPERSPREAD_SOURCE_MASK));
- I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n");
-}
-
-static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
- enum pipe pipe)
+void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe)
{
u32 val;
bool enabled;
@@ -1858,100 +1817,6 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask);
}
-static void intel_prepare_shared_dpll(struct intel_crtc *crtc)
-{
- struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
-
- if (WARN_ON(pll == NULL))
- return;
-
- WARN_ON(!pll->config.crtc_mask);
- if (pll->active == 0) {
- DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
- WARN_ON(pll->on);
- assert_shared_dpll_disabled(dev_priv, pll);
-
- pll->mode_set(dev_priv, pll);
- }
-}
-
-/**
- * intel_enable_shared_dpll - enable PCH PLL
- * @dev_priv: i915 private structure
- * @pipe: pipe PLL to enable
- *
- * The PCH PLL needs to be enabled before the PCH transcoder, since it
- * drives the transcoder clock.
- */
-static void intel_enable_shared_dpll(struct intel_crtc *crtc)
-{
- struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
-
- if (WARN_ON(pll == NULL))
- return;
-
- if (WARN_ON(pll->config.crtc_mask == 0))
- return;
-
- DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n",
- pll->name, pll->active, pll->on,
- crtc->base.base.id);
-
- if (pll->active++) {
- WARN_ON(!pll->on);
- assert_shared_dpll_enabled(dev_priv, pll);
- return;
- }
- WARN_ON(pll->on);
-
- intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS);
-
- DRM_DEBUG_KMS("enabling %s\n", pll->name);
- pll->enable(dev_priv, pll);
- pll->on = true;
-}
-
-static void intel_disable_shared_dpll(struct intel_crtc *crtc)
-{
- struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
-
- /* PCH only available on ILK+ */
- if (INTEL_INFO(dev)->gen < 5)
- return;
-
- if (pll == NULL)
- return;
-
- if (WARN_ON(!(pll->config.crtc_mask & (1 << drm_crtc_index(&crtc->base)))))
- return;
-
- DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n",
- pll->name, pll->active, pll->on,
- crtc->base.base.id);
-
- if (WARN_ON(pll->active == 0)) {
- assert_shared_dpll_disabled(dev_priv, pll);
- return;
- }
-
- assert_shared_dpll_enabled(dev_priv, pll);
- WARN_ON(!pll->on);
- if (--pll->active)
- return;
-
- DRM_DEBUG_KMS("disabling %s\n", pll->name);
- pll->disable(dev_priv, pll);
- pll->on = false;
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-}
-
static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
@@ -4348,113 +4213,6 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
lpt_enable_pch_transcoder(dev_priv, cpu_transcoder);
}
-struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
- struct intel_crtc_state *crtc_state)
-{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
- struct intel_shared_dpll *pll;
- struct intel_shared_dpll_config *shared_dpll;
- enum intel_dpll_id i;
- int max = dev_priv->num_shared_dpll;
-
- shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
-
- if (HAS_PCH_IBX(dev_priv->dev)) {
- /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
- i = (enum intel_dpll_id) crtc->pipe;
- pll = &dev_priv->shared_dplls[i];
-
- DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
- crtc->base.base.id, pll->name);
-
- WARN_ON(shared_dpll[i].crtc_mask);
-
- goto found;
- }
-
- if (IS_BROXTON(dev_priv->dev)) {
- /* PLL is attached to port in bxt */
- struct intel_encoder *encoder;
- struct intel_digital_port *intel_dig_port;
-
- encoder = intel_ddi_get_crtc_new_encoder(crtc_state);
- if (WARN_ON(!encoder))
- return NULL;
-
- intel_dig_port = enc_to_dig_port(&encoder->base);
- /* 1:1 mapping between ports and PLLs */
- i = (enum intel_dpll_id)intel_dig_port->port;
- pll = &dev_priv->shared_dplls[i];
- DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
- crtc->base.base.id, pll->name);
- WARN_ON(shared_dpll[i].crtc_mask);
-
- goto found;
- } else if (INTEL_INFO(dev_priv)->gen < 9 && HAS_DDI(dev_priv))
- /* Do not consider SPLL */
- max = 2;
-
- for (i = 0; i < max; i++) {
- pll = &dev_priv->shared_dplls[i];
-
- /* Only want to check enabled timings first */
- if (shared_dpll[i].crtc_mask == 0)
- continue;
-
- if (memcmp(&crtc_state->dpll_hw_state,
- &shared_dpll[i].hw_state,
- sizeof(crtc_state->dpll_hw_state)) == 0) {
- DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n",
- crtc->base.base.id, pll->name,
- shared_dpll[i].crtc_mask,
- pll->active);
- goto found;
- }
- }
-
- /* Ok no matching timings, maybe there's a free one? */
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- pll = &dev_priv->shared_dplls[i];
- if (shared_dpll[i].crtc_mask == 0) {
- DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
- crtc->base.base.id, pll->name);
- goto found;
- }
- }
-
- return NULL;
-
-found:
- if (shared_dpll[i].crtc_mask == 0)
- shared_dpll[i].hw_state =
- crtc_state->dpll_hw_state;
-
- crtc_state->shared_dpll = i;
- DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
- pipe_name(crtc->pipe));
-
- shared_dpll[i].crtc_mask |= 1 << crtc->pipe;
-
- return pll;
-}
-
-static void intel_shared_dpll_commit(struct drm_atomic_state *state)
-{
- struct drm_i915_private *dev_priv = to_i915(state->dev);
- struct intel_shared_dpll_config *shared_dpll;
- struct intel_shared_dpll *pll;
- enum intel_dpll_id i;
-
- if (!to_intel_atomic_state(state)->dpll_set)
- return;
-
- shared_dpll = to_intel_atomic_state(state)->shared_dpll;
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- pll = &dev_priv->shared_dplls[i];
- pll->config = shared_dpll[i];
- }
-}
-
static void cpt_verify_modeset(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -13874,108 +13632,6 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
.atomic_destroy_state = intel_crtc_destroy_state,
};
-static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state)
-{
- uint32_t val;
-
- if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
- return false;
-
- val = I915_READ(PCH_DPLL(pll->id));
- hw_state->dpll = val;
- hw_state->fp0 = I915_READ(PCH_FP0(pll->id));
- hw_state->fp1 = I915_READ(PCH_FP1(pll->id));
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-
- return val & DPLL_VCO_ENABLE;
-}
-
-static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0);
- I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1);
-}
-
-static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- /* PCH refclock must be enabled first */
- ibx_assert_pch_refclk_enabled(dev_priv);
-
- I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(PCH_DPLL(pll->id));
- udelay(150);
-
- /* The pixel multiplier can only be updated once the
- * DPLL is enabled and the clocks are stable.
- *
- * So write it again.
- */
- I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
- POSTING_READ(PCH_DPLL(pll->id));
- udelay(200);
-}
-
-static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- struct drm_device *dev = dev_priv->dev;
- struct intel_crtc *crtc;
-
- /* Make sure no transcoder isn't still depending on us. */
- for_each_intel_crtc(dev, crtc) {
- if (intel_crtc_to_shared_dpll(crtc) == pll)
- assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
- }
-
- I915_WRITE(PCH_DPLL(pll->id), 0);
- POSTING_READ(PCH_DPLL(pll->id));
- udelay(200);
-}
-
-static char *ibx_pch_dpll_names[] = {
- "PCH DPLL A",
- "PCH DPLL B",
-};
-
-static void ibx_pch_dpll_init(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
-
- dev_priv->num_shared_dpll = 2;
-
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- dev_priv->shared_dplls[i].id = i;
- dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i];
- dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set;
- dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable;
- dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable;
- dev_priv->shared_dplls[i].get_hw_state =
- ibx_pch_dpll_get_hw_state;
- }
-}
-
-static void intel_shared_dpll_init(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (HAS_DDI(dev))
- intel_ddi_pll_init(dev);
- else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
- ibx_pch_dpll_init(dev);
- else
- dev_priv->num_shared_dpll = 0;
-
- BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
-}
-
/**
* intel_prepare_plane_fb - Prepare fb for usage on plane
* @plane: drm plane to prepare for
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
new file mode 100644
index 0000000..d7ebac6
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -0,0 +1,368 @@
+/*
+ * Copyright © 2006-2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "intel_drv.h"
+
+struct intel_shared_dpll *
+intel_crtc_to_shared_dpll(struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+
+ if (crtc->config->shared_dpll < 0)
+ return NULL;
+
+ return &dev_priv->shared_dplls[crtc->config->shared_dpll];
+}
+
+/* For ILK+ */
+void assert_shared_dpll(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ bool state)
+{
+ bool cur_state;
+ struct intel_dpll_hw_state hw_state;
+
+ if (WARN(!pll, "asserting DPLL %s with no DPLL\n", onoff(state)))
+ return;
+
+ cur_state = pll->get_hw_state(dev_priv, pll, &hw_state);
+ I915_STATE_WARN(cur_state != state,
+ "%s assertion failure (expected %s, current %s)\n",
+ pll->name, onoff(state), onoff(cur_state));
+}
+
+void intel_prepare_shared_dpll(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+
+ if (WARN_ON(pll == NULL))
+ return;
+
+ WARN_ON(!pll->config.crtc_mask);
+ if (pll->active == 0) {
+ DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
+ WARN_ON(pll->on);
+ assert_shared_dpll_disabled(dev_priv, pll);
+
+ pll->mode_set(dev_priv, pll);
+ }
+}
+
+/**
+ * intel_enable_shared_dpll - enable PCH PLL
+ * @dev_priv: i915 private structure
+ * @pipe: pipe PLL to enable
+ *
+ * The PCH PLL needs to be enabled before the PCH transcoder, since it
+ * drives the transcoder clock.
+ */
+void intel_enable_shared_dpll(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+
+ if (WARN_ON(pll == NULL))
+ return;
+
+ if (WARN_ON(pll->config.crtc_mask == 0))
+ return;
+
+ DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n",
+ pll->name, pll->active, pll->on,
+ crtc->base.base.id);
+
+ if (pll->active++) {
+ WARN_ON(!pll->on);
+ assert_shared_dpll_enabled(dev_priv, pll);
+ return;
+ }
+ WARN_ON(pll->on);
+
+ intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS);
+
+ DRM_DEBUG_KMS("enabling %s\n", pll->name);
+ pll->enable(dev_priv, pll);
+ pll->on = true;
+}
+
+void intel_disable_shared_dpll(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+
+ /* PCH only available on ILK+ */
+ if (INTEL_INFO(dev)->gen < 5)
+ return;
+
+ if (pll == NULL)
+ return;
+
+ if (WARN_ON(!(pll->config.crtc_mask & (1 << drm_crtc_index(&crtc->base)))))
+ return;
+
+ DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n",
+ pll->name, pll->active, pll->on,
+ crtc->base.base.id);
+
+ if (WARN_ON(pll->active == 0)) {
+ assert_shared_dpll_disabled(dev_priv, pll);
+ return;
+ }
+
+ assert_shared_dpll_enabled(dev_priv, pll);
+ WARN_ON(!pll->on);
+ if (--pll->active)
+ return;
+
+ DRM_DEBUG_KMS("disabling %s\n", pll->name);
+ pll->disable(dev_priv, pll);
+ pll->on = false;
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+}
+
+struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ struct intel_shared_dpll *pll;
+ struct intel_shared_dpll_config *shared_dpll;
+ enum intel_dpll_id i;
+ int max = dev_priv->num_shared_dpll;
+
+ shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+
+ if (HAS_PCH_IBX(dev_priv->dev)) {
+ /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
+ i = (enum intel_dpll_id) crtc->pipe;
+ pll = &dev_priv->shared_dplls[i];
+
+ DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
+ crtc->base.base.id, pll->name);
+
+ WARN_ON(shared_dpll[i].crtc_mask);
+
+ goto found;
+ }
+
+ if (IS_BROXTON(dev_priv->dev)) {
+ /* PLL is attached to port in bxt */
+ struct intel_encoder *encoder;
+ struct intel_digital_port *intel_dig_port;
+
+ encoder = intel_ddi_get_crtc_new_encoder(crtc_state);
+ if (WARN_ON(!encoder))
+ return NULL;
+
+ intel_dig_port = enc_to_dig_port(&encoder->base);
+ /* 1:1 mapping between ports and PLLs */
+ i = (enum intel_dpll_id)intel_dig_port->port;
+ pll = &dev_priv->shared_dplls[i];
+ DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
+ crtc->base.base.id, pll->name);
+ WARN_ON(shared_dpll[i].crtc_mask);
+
+ goto found;
+ } else if (INTEL_INFO(dev_priv)->gen < 9 && HAS_DDI(dev_priv))
+ /* Do not consider SPLL */
+ max = 2;
+
+ for (i = 0; i < max; i++) {
+ pll = &dev_priv->shared_dplls[i];
+
+ /* Only want to check enabled timings first */
+ if (shared_dpll[i].crtc_mask == 0)
+ continue;
+
+ if (memcmp(&crtc_state->dpll_hw_state,
+ &shared_dpll[i].hw_state,
+ sizeof(crtc_state->dpll_hw_state)) == 0) {
+ DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n",
+ crtc->base.base.id, pll->name,
+ shared_dpll[i].crtc_mask,
+ pll->active);
+ goto found;
+ }
+ }
+
+ /* Ok no matching timings, maybe there's a free one? */
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ pll = &dev_priv->shared_dplls[i];
+ if (shared_dpll[i].crtc_mask == 0) {
+ DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
+ crtc->base.base.id, pll->name);
+ goto found;
+ }
+ }
+
+ return NULL;
+
+found:
+ if (shared_dpll[i].crtc_mask == 0)
+ shared_dpll[i].hw_state =
+ crtc_state->dpll_hw_state;
+
+ crtc_state->shared_dpll = i;
+ DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
+ pipe_name(crtc->pipe));
+
+ shared_dpll[i].crtc_mask |= 1 << crtc->pipe;
+
+ return pll;
+}
+
+void intel_shared_dpll_commit(struct drm_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->dev);
+ struct intel_shared_dpll_config *shared_dpll;
+ struct intel_shared_dpll *pll;
+ enum intel_dpll_id i;
+
+ if (!to_intel_atomic_state(state)->dpll_set)
+ return;
+
+ shared_dpll = to_intel_atomic_state(state)->shared_dpll;
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ pll = &dev_priv->shared_dplls[i];
+ pll->config = shared_dpll[i];
+ }
+}
+
+static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ uint32_t val;
+
+ if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ val = I915_READ(PCH_DPLL(pll->id));
+ hw_state->dpll = val;
+ hw_state->fp0 = I915_READ(PCH_FP0(pll->id));
+ hw_state->fp1 = I915_READ(PCH_FP1(pll->id));
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+
+ return val & DPLL_VCO_ENABLE;
+}
+
+static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0);
+ I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1);
+}
+
+static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
+{
+ u32 val;
+ bool enabled;
+
+ I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev)));
+
+ val = I915_READ(PCH_DREF_CONTROL);
+ enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK |
+ DREF_SUPERSPREAD_SOURCE_MASK));
+ I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n");
+}
+
+static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ /* PCH refclock must be enabled first */
+ ibx_assert_pch_refclk_enabled(dev_priv);
+
+ I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(PCH_DPLL(pll->id));
+ udelay(150);
+
+ /* The pixel multiplier can only be updated once the
+ * DPLL is enabled and the clocks are stable.
+ *
+ * So write it again.
+ */
+ I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
+ POSTING_READ(PCH_DPLL(pll->id));
+ udelay(200);
+}
+
+static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct intel_crtc *crtc;
+
+ /* Make sure no transcoder isn't still depending on us. */
+ for_each_intel_crtc(dev, crtc) {
+ if (intel_crtc_to_shared_dpll(crtc) == pll)
+ assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
+ }
+
+ I915_WRITE(PCH_DPLL(pll->id), 0);
+ POSTING_READ(PCH_DPLL(pll->id));
+ udelay(200);
+}
+
+static char *ibx_pch_dpll_names[] = {
+ "PCH DPLL A",
+ "PCH DPLL B",
+};
+
+static void ibx_pch_dpll_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ dev_priv->num_shared_dpll = 2;
+
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i];
+ dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set;
+ dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable;
+ dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable;
+ dev_priv->shared_dplls[i].get_hw_state =
+ ibx_pch_dpll_get_hw_state;
+ }
+}
+
+void intel_shared_dpll_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (HAS_DDI(dev))
+ intel_ddi_pll_init(dev);
+ else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
+ ibx_pch_dpll_init(dev);
+ else
+ dev_priv->num_shared_dpll = 0;
+
+ BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
+}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 6c00854..39a7d0a 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1168,6 +1168,9 @@ intel_rotation_90_or_270(unsigned int rotation)
void intel_create_rotation_property(struct drm_device *dev,
struct intel_plane *plane);
+void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe);
+
/* shared dpll functions */
struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
void assert_shared_dpll(struct drm_i915_private *dev_priv,
@@ -1177,6 +1180,11 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
#define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
struct intel_crtc_state *state);
+void intel_prepare_shared_dpll(struct intel_crtc *crtc);
+void intel_enable_shared_dpll(struct intel_crtc *crtc);
+void intel_disable_shared_dpll(struct intel_crtc *crtc);
+void intel_shared_dpll_commit(struct drm_atomic_state *state);
+void intel_shared_dpll_init(struct drm_device *dev);
int vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
const struct dpll *dpll);
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 2/6] drm/i915: Move ddi shared dpll code to intel_dpll_mgr.c
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
2016-03-03 12:02 ` ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] " Patchwork
@ 2016-03-03 12:03 ` Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 3/6] drm/i915: Split intel_get_shared_dpll() into smaller functions Ander Conselvan de Oliveira
` (3 subsequent siblings)
5 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
No functional changes.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 472 ----------------------------------
drivers/gpu/drm/i915/intel_dpll_mgr.c | 472 ++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 1 -
3 files changed, 472 insertions(+), 473 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 21a9b83..eb6b55c 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2430,235 +2430,6 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
}
}
-static void hsw_ddi_wrpll_enable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- I915_WRITE(WRPLL_CTL(pll->id), pll->config.hw_state.wrpll);
- POSTING_READ(WRPLL_CTL(pll->id));
- udelay(20);
-}
-
-static void hsw_ddi_spll_enable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- I915_WRITE(SPLL_CTL, pll->config.hw_state.spll);
- POSTING_READ(SPLL_CTL);
- udelay(20);
-}
-
-static void hsw_ddi_wrpll_disable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- uint32_t val;
-
- val = I915_READ(WRPLL_CTL(pll->id));
- I915_WRITE(WRPLL_CTL(pll->id), val & ~WRPLL_PLL_ENABLE);
- POSTING_READ(WRPLL_CTL(pll->id));
-}
-
-static void hsw_ddi_spll_disable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- uint32_t val;
-
- val = I915_READ(SPLL_CTL);
- I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE);
- POSTING_READ(SPLL_CTL);
-}
-
-static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state)
-{
- uint32_t val;
-
- if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
- return false;
-
- val = I915_READ(WRPLL_CTL(pll->id));
- hw_state->wrpll = val;
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-
- return val & WRPLL_PLL_ENABLE;
-}
-
-static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state)
-{
- uint32_t val;
-
- if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
- return false;
-
- val = I915_READ(SPLL_CTL);
- hw_state->spll = val;
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-
- return val & SPLL_PLL_ENABLE;
-}
-
-
-static const char * const hsw_ddi_pll_names[] = {
- "WRPLL 1",
- "WRPLL 2",
- "SPLL"
-};
-
-static void hsw_shared_dplls_init(struct drm_i915_private *dev_priv)
-{
- int i;
-
- dev_priv->num_shared_dpll = 3;
-
- for (i = 0; i < 2; i++) {
- dev_priv->shared_dplls[i].id = i;
- dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i];
- dev_priv->shared_dplls[i].disable = hsw_ddi_wrpll_disable;
- dev_priv->shared_dplls[i].enable = hsw_ddi_wrpll_enable;
- dev_priv->shared_dplls[i].get_hw_state =
- hsw_ddi_wrpll_get_hw_state;
- }
-
- /* SPLL is special, but needs to be initialized anyway.. */
- dev_priv->shared_dplls[i].id = i;
- dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i];
- dev_priv->shared_dplls[i].disable = hsw_ddi_spll_disable;
- dev_priv->shared_dplls[i].enable = hsw_ddi_spll_enable;
- dev_priv->shared_dplls[i].get_hw_state = hsw_ddi_spll_get_hw_state;
-
-}
-
-static const char * const skl_ddi_pll_names[] = {
- "DPLL 1",
- "DPLL 2",
- "DPLL 3",
-};
-
-struct skl_dpll_regs {
- i915_reg_t ctl, cfgcr1, cfgcr2;
-};
-
-/* this array is indexed by the *shared* pll id */
-static const struct skl_dpll_regs skl_dpll_regs[3] = {
- {
- /* DPLL 1 */
- .ctl = LCPLL2_CTL,
- .cfgcr1 = DPLL_CFGCR1(SKL_DPLL1),
- .cfgcr2 = DPLL_CFGCR2(SKL_DPLL1),
- },
- {
- /* DPLL 2 */
- .ctl = WRPLL_CTL(0),
- .cfgcr1 = DPLL_CFGCR1(SKL_DPLL2),
- .cfgcr2 = DPLL_CFGCR2(SKL_DPLL2),
- },
- {
- /* DPLL 3 */
- .ctl = WRPLL_CTL(1),
- .cfgcr1 = DPLL_CFGCR1(SKL_DPLL3),
- .cfgcr2 = DPLL_CFGCR2(SKL_DPLL3),
- },
-};
-
-static void skl_ddi_pll_enable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- uint32_t val;
- unsigned int dpll;
- const struct skl_dpll_regs *regs = skl_dpll_regs;
-
- /* DPLL0 is not part of the shared DPLLs, so pll->id is 0 for DPLL1 */
- dpll = pll->id + 1;
-
- val = I915_READ(DPLL_CTRL1);
-
- val &= ~(DPLL_CTRL1_HDMI_MODE(dpll) | DPLL_CTRL1_SSC(dpll) |
- DPLL_CTRL1_LINK_RATE_MASK(dpll));
- val |= pll->config.hw_state.ctrl1 << (dpll * 6);
-
- I915_WRITE(DPLL_CTRL1, val);
- POSTING_READ(DPLL_CTRL1);
-
- I915_WRITE(regs[pll->id].cfgcr1, pll->config.hw_state.cfgcr1);
- I915_WRITE(regs[pll->id].cfgcr2, pll->config.hw_state.cfgcr2);
- POSTING_READ(regs[pll->id].cfgcr1);
- POSTING_READ(regs[pll->id].cfgcr2);
-
- /* the enable bit is always bit 31 */
- I915_WRITE(regs[pll->id].ctl,
- I915_READ(regs[pll->id].ctl) | LCPLL_PLL_ENABLE);
-
- if (wait_for(I915_READ(DPLL_STATUS) & DPLL_LOCK(dpll), 5))
- DRM_ERROR("DPLL %d not locked\n", dpll);
-}
-
-static void skl_ddi_pll_disable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- const struct skl_dpll_regs *regs = skl_dpll_regs;
-
- /* the enable bit is always bit 31 */
- I915_WRITE(regs[pll->id].ctl,
- I915_READ(regs[pll->id].ctl) & ~LCPLL_PLL_ENABLE);
- POSTING_READ(regs[pll->id].ctl);
-}
-
-static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state)
-{
- uint32_t val;
- unsigned int dpll;
- const struct skl_dpll_regs *regs = skl_dpll_regs;
- bool ret;
-
- if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
- return false;
-
- ret = false;
-
- /* DPLL0 is not part of the shared DPLLs, so pll->id is 0 for DPLL1 */
- dpll = pll->id + 1;
-
- val = I915_READ(regs[pll->id].ctl);
- if (!(val & LCPLL_PLL_ENABLE))
- goto out;
-
- val = I915_READ(DPLL_CTRL1);
- hw_state->ctrl1 = (val >> (dpll * 6)) & 0x3f;
-
- /* avoid reading back stale values if HDMI mode is not enabled */
- if (val & DPLL_CTRL1_HDMI_MODE(dpll)) {
- hw_state->cfgcr1 = I915_READ(regs[pll->id].cfgcr1);
- hw_state->cfgcr2 = I915_READ(regs[pll->id].cfgcr2);
- }
- ret = true;
-
-out:
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-
- return ret;
-}
-
-static void skl_shared_dplls_init(struct drm_i915_private *dev_priv)
-{
- int i;
-
- dev_priv->num_shared_dpll = 3;
-
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- dev_priv->shared_dplls[i].id = i;
- dev_priv->shared_dplls[i].name = skl_ddi_pll_names[i];
- dev_priv->shared_dplls[i].disable = skl_ddi_pll_disable;
- dev_priv->shared_dplls[i].enable = skl_ddi_pll_enable;
- dev_priv->shared_dplls[i].get_hw_state =
- skl_ddi_pll_get_hw_state;
- }
-}
-
static void broxton_phy_init(struct drm_i915_private *dev_priv,
enum dpio_phy phy)
{
@@ -2783,249 +2554,6 @@ void broxton_ddi_phy_uninit(struct drm_device *dev)
I915_WRITE(BXT_P_CR_GT_DISP_PWRON, 0);
}
-static const char * const bxt_ddi_pll_names[] = {
- "PORT PLL A",
- "PORT PLL B",
- "PORT PLL C",
-};
-
-static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- uint32_t temp;
- enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
-
- temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
- temp &= ~PORT_PLL_REF_SEL;
- /* Non-SSC reference */
- I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
-
- /* Disable 10 bit clock */
- temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
- temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
- I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
-
- /* Write P1 & P2 */
- temp = I915_READ(BXT_PORT_PLL_EBB_0(port));
- temp &= ~(PORT_PLL_P1_MASK | PORT_PLL_P2_MASK);
- temp |= pll->config.hw_state.ebb0;
- I915_WRITE(BXT_PORT_PLL_EBB_0(port), temp);
-
- /* Write M2 integer */
- temp = I915_READ(BXT_PORT_PLL(port, 0));
- temp &= ~PORT_PLL_M2_MASK;
- temp |= pll->config.hw_state.pll0;
- I915_WRITE(BXT_PORT_PLL(port, 0), temp);
-
- /* Write N */
- temp = I915_READ(BXT_PORT_PLL(port, 1));
- temp &= ~PORT_PLL_N_MASK;
- temp |= pll->config.hw_state.pll1;
- I915_WRITE(BXT_PORT_PLL(port, 1), temp);
-
- /* Write M2 fraction */
- temp = I915_READ(BXT_PORT_PLL(port, 2));
- temp &= ~PORT_PLL_M2_FRAC_MASK;
- temp |= pll->config.hw_state.pll2;
- I915_WRITE(BXT_PORT_PLL(port, 2), temp);
-
- /* Write M2 fraction enable */
- temp = I915_READ(BXT_PORT_PLL(port, 3));
- temp &= ~PORT_PLL_M2_FRAC_ENABLE;
- temp |= pll->config.hw_state.pll3;
- I915_WRITE(BXT_PORT_PLL(port, 3), temp);
-
- /* Write coeff */
- temp = I915_READ(BXT_PORT_PLL(port, 6));
- temp &= ~PORT_PLL_PROP_COEFF_MASK;
- temp &= ~PORT_PLL_INT_COEFF_MASK;
- temp &= ~PORT_PLL_GAIN_CTL_MASK;
- temp |= pll->config.hw_state.pll6;
- I915_WRITE(BXT_PORT_PLL(port, 6), temp);
-
- /* Write calibration val */
- temp = I915_READ(BXT_PORT_PLL(port, 8));
- temp &= ~PORT_PLL_TARGET_CNT_MASK;
- temp |= pll->config.hw_state.pll8;
- I915_WRITE(BXT_PORT_PLL(port, 8), temp);
-
- temp = I915_READ(BXT_PORT_PLL(port, 9));
- temp &= ~PORT_PLL_LOCK_THRESHOLD_MASK;
- temp |= pll->config.hw_state.pll9;
- I915_WRITE(BXT_PORT_PLL(port, 9), temp);
-
- temp = I915_READ(BXT_PORT_PLL(port, 10));
- temp &= ~PORT_PLL_DCO_AMP_OVR_EN_H;
- temp &= ~PORT_PLL_DCO_AMP_MASK;
- temp |= pll->config.hw_state.pll10;
- I915_WRITE(BXT_PORT_PLL(port, 10), temp);
-
- /* Recalibrate with new settings */
- temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
- temp |= PORT_PLL_RECALIBRATE;
- I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
- temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
- temp |= pll->config.hw_state.ebb4;
- I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
-
- /* Enable PLL */
- temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
- temp |= PORT_PLL_ENABLE;
- I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
- POSTING_READ(BXT_PORT_PLL_ENABLE(port));
-
- if (wait_for_atomic_us((I915_READ(BXT_PORT_PLL_ENABLE(port)) &
- PORT_PLL_LOCK), 200))
- DRM_ERROR("PLL %d not locked\n", port);
-
- /*
- * While we write to the group register to program all lanes at once we
- * can read only lane registers and we pick lanes 0/1 for that.
- */
- temp = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
- temp &= ~LANE_STAGGER_MASK;
- temp &= ~LANESTAGGER_STRAP_OVRD;
- temp |= pll->config.hw_state.pcsdw12;
- I915_WRITE(BXT_PORT_PCS_DW12_GRP(port), temp);
-}
-
-static void bxt_ddi_pll_disable(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll)
-{
- enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
- uint32_t temp;
-
- temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
- temp &= ~PORT_PLL_ENABLE;
- I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
- POSTING_READ(BXT_PORT_PLL_ENABLE(port));
-}
-
-static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state)
-{
- enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
- uint32_t val;
- bool ret;
-
- if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
- return false;
-
- ret = false;
-
- val = I915_READ(BXT_PORT_PLL_ENABLE(port));
- if (!(val & PORT_PLL_ENABLE))
- goto out;
-
- hw_state->ebb0 = I915_READ(BXT_PORT_PLL_EBB_0(port));
- hw_state->ebb0 &= PORT_PLL_P1_MASK | PORT_PLL_P2_MASK;
-
- hw_state->ebb4 = I915_READ(BXT_PORT_PLL_EBB_4(port));
- hw_state->ebb4 &= PORT_PLL_10BIT_CLK_ENABLE;
-
- hw_state->pll0 = I915_READ(BXT_PORT_PLL(port, 0));
- hw_state->pll0 &= PORT_PLL_M2_MASK;
-
- hw_state->pll1 = I915_READ(BXT_PORT_PLL(port, 1));
- hw_state->pll1 &= PORT_PLL_N_MASK;
-
- hw_state->pll2 = I915_READ(BXT_PORT_PLL(port, 2));
- hw_state->pll2 &= PORT_PLL_M2_FRAC_MASK;
-
- hw_state->pll3 = I915_READ(BXT_PORT_PLL(port, 3));
- hw_state->pll3 &= PORT_PLL_M2_FRAC_ENABLE;
-
- hw_state->pll6 = I915_READ(BXT_PORT_PLL(port, 6));
- hw_state->pll6 &= PORT_PLL_PROP_COEFF_MASK |
- PORT_PLL_INT_COEFF_MASK |
- PORT_PLL_GAIN_CTL_MASK;
-
- hw_state->pll8 = I915_READ(BXT_PORT_PLL(port, 8));
- hw_state->pll8 &= PORT_PLL_TARGET_CNT_MASK;
-
- hw_state->pll9 = I915_READ(BXT_PORT_PLL(port, 9));
- hw_state->pll9 &= PORT_PLL_LOCK_THRESHOLD_MASK;
-
- hw_state->pll10 = I915_READ(BXT_PORT_PLL(port, 10));
- hw_state->pll10 &= PORT_PLL_DCO_AMP_OVR_EN_H |
- PORT_PLL_DCO_AMP_MASK;
-
- /*
- * While we write to the group register to program all lanes at once we
- * can read only lane registers. We configure all lanes the same way, so
- * here just read out lanes 0/1 and output a note if lanes 2/3 differ.
- */
- hw_state->pcsdw12 = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
- if (I915_READ(BXT_PORT_PCS_DW12_LN23(port)) != hw_state->pcsdw12)
- DRM_DEBUG_DRIVER("lane stagger config different for lane 01 (%08x) and 23 (%08x)\n",
- hw_state->pcsdw12,
- I915_READ(BXT_PORT_PCS_DW12_LN23(port)));
- hw_state->pcsdw12 &= LANE_STAGGER_MASK | LANESTAGGER_STRAP_OVRD;
-
- ret = true;
-
-out:
- intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
-
- return ret;
-}
-
-static void bxt_shared_dplls_init(struct drm_i915_private *dev_priv)
-{
- int i;
-
- dev_priv->num_shared_dpll = 3;
-
- for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- dev_priv->shared_dplls[i].id = i;
- dev_priv->shared_dplls[i].name = bxt_ddi_pll_names[i];
- dev_priv->shared_dplls[i].disable = bxt_ddi_pll_disable;
- dev_priv->shared_dplls[i].enable = bxt_ddi_pll_enable;
- dev_priv->shared_dplls[i].get_hw_state =
- bxt_ddi_pll_get_hw_state;
- }
-}
-
-void intel_ddi_pll_init(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t val = I915_READ(LCPLL_CTL);
-
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
- skl_shared_dplls_init(dev_priv);
- else if (IS_BROXTON(dev))
- bxt_shared_dplls_init(dev_priv);
- else
- hsw_shared_dplls_init(dev_priv);
-
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
- int cdclk_freq;
-
- cdclk_freq = dev_priv->display.get_display_clock_speed(dev);
- dev_priv->skl_boot_cdclk = cdclk_freq;
- if (skl_sanitize_cdclk(dev_priv))
- DRM_DEBUG_KMS("Sanitized cdclk programmed by pre-os\n");
- if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE))
- DRM_ERROR("LCPLL1 is disabled\n");
- } else if (IS_BROXTON(dev)) {
- broxton_init_cdclk(dev);
- broxton_ddi_phy_init(dev);
- } else {
- /*
- * The LCPLL register should be turned on by the BIOS. For now
- * let's just check its state and print errors in case
- * something is wrong. Don't even try to turn it on.
- */
-
- if (val & LCPLL_CD_SOURCE_FCLK)
- DRM_ERROR("CDCLK source is not LCPLL\n");
-
- if (val & LCPLL_PLL_DISABLE)
- DRM_ERROR("LCPLL is disabled\n");
- }
-}
-
void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index d7ebac6..6be0cd0 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -353,6 +353,478 @@ static void ibx_pch_dpll_init(struct drm_device *dev)
}
}
+static void hsw_ddi_wrpll_enable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ I915_WRITE(WRPLL_CTL(pll->id), pll->config.hw_state.wrpll);
+ POSTING_READ(WRPLL_CTL(pll->id));
+ udelay(20);
+}
+
+static void hsw_ddi_spll_enable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ I915_WRITE(SPLL_CTL, pll->config.hw_state.spll);
+ POSTING_READ(SPLL_CTL);
+ udelay(20);
+}
+
+static void hsw_ddi_wrpll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ uint32_t val;
+
+ val = I915_READ(WRPLL_CTL(pll->id));
+ I915_WRITE(WRPLL_CTL(pll->id), val & ~WRPLL_PLL_ENABLE);
+ POSTING_READ(WRPLL_CTL(pll->id));
+}
+
+static void hsw_ddi_spll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ uint32_t val;
+
+ val = I915_READ(SPLL_CTL);
+ I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE);
+ POSTING_READ(SPLL_CTL);
+}
+
+static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ uint32_t val;
+
+ if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ val = I915_READ(WRPLL_CTL(pll->id));
+ hw_state->wrpll = val;
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+
+ return val & WRPLL_PLL_ENABLE;
+}
+
+static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ uint32_t val;
+
+ if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ val = I915_READ(SPLL_CTL);
+ hw_state->spll = val;
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+
+ return val & SPLL_PLL_ENABLE;
+}
+
+
+static const char * const hsw_ddi_pll_names[] = {
+ "WRPLL 1",
+ "WRPLL 2",
+ "SPLL"
+};
+
+static void hsw_shared_dplls_init(struct drm_i915_private *dev_priv)
+{
+ int i;
+
+ dev_priv->num_shared_dpll = 3;
+
+ for (i = 0; i < 2; i++) {
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i];
+ dev_priv->shared_dplls[i].disable = hsw_ddi_wrpll_disable;
+ dev_priv->shared_dplls[i].enable = hsw_ddi_wrpll_enable;
+ dev_priv->shared_dplls[i].get_hw_state =
+ hsw_ddi_wrpll_get_hw_state;
+ }
+
+ /* SPLL is special, but needs to be initialized anyway.. */
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i];
+ dev_priv->shared_dplls[i].disable = hsw_ddi_spll_disable;
+ dev_priv->shared_dplls[i].enable = hsw_ddi_spll_enable;
+ dev_priv->shared_dplls[i].get_hw_state = hsw_ddi_spll_get_hw_state;
+
+}
+
+static const char * const skl_ddi_pll_names[] = {
+ "DPLL 1",
+ "DPLL 2",
+ "DPLL 3",
+};
+
+struct skl_dpll_regs {
+ i915_reg_t ctl, cfgcr1, cfgcr2;
+};
+
+/* this array is indexed by the *shared* pll id */
+static const struct skl_dpll_regs skl_dpll_regs[3] = {
+ {
+ /* DPLL 1 */
+ .ctl = LCPLL2_CTL,
+ .cfgcr1 = DPLL_CFGCR1(SKL_DPLL1),
+ .cfgcr2 = DPLL_CFGCR2(SKL_DPLL1),
+ },
+ {
+ /* DPLL 2 */
+ .ctl = WRPLL_CTL(0),
+ .cfgcr1 = DPLL_CFGCR1(SKL_DPLL2),
+ .cfgcr2 = DPLL_CFGCR2(SKL_DPLL2),
+ },
+ {
+ /* DPLL 3 */
+ .ctl = WRPLL_CTL(1),
+ .cfgcr1 = DPLL_CFGCR1(SKL_DPLL3),
+ .cfgcr2 = DPLL_CFGCR2(SKL_DPLL3),
+ },
+};
+
+static void skl_ddi_pll_enable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ uint32_t val;
+ unsigned int dpll;
+ const struct skl_dpll_regs *regs = skl_dpll_regs;
+
+ /* DPLL0 is not part of the shared DPLLs, so pll->id is 0 for DPLL1 */
+ dpll = pll->id + 1;
+
+ val = I915_READ(DPLL_CTRL1);
+
+ val &= ~(DPLL_CTRL1_HDMI_MODE(dpll) | DPLL_CTRL1_SSC(dpll) |
+ DPLL_CTRL1_LINK_RATE_MASK(dpll));
+ val |= pll->config.hw_state.ctrl1 << (dpll * 6);
+
+ I915_WRITE(DPLL_CTRL1, val);
+ POSTING_READ(DPLL_CTRL1);
+
+ I915_WRITE(regs[pll->id].cfgcr1, pll->config.hw_state.cfgcr1);
+ I915_WRITE(regs[pll->id].cfgcr2, pll->config.hw_state.cfgcr2);
+ POSTING_READ(regs[pll->id].cfgcr1);
+ POSTING_READ(regs[pll->id].cfgcr2);
+
+ /* the enable bit is always bit 31 */
+ I915_WRITE(regs[pll->id].ctl,
+ I915_READ(regs[pll->id].ctl) | LCPLL_PLL_ENABLE);
+
+ if (wait_for(I915_READ(DPLL_STATUS) & DPLL_LOCK(dpll), 5))
+ DRM_ERROR("DPLL %d not locked\n", dpll);
+}
+
+static void skl_ddi_pll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ const struct skl_dpll_regs *regs = skl_dpll_regs;
+
+ /* the enable bit is always bit 31 */
+ I915_WRITE(regs[pll->id].ctl,
+ I915_READ(regs[pll->id].ctl) & ~LCPLL_PLL_ENABLE);
+ POSTING_READ(regs[pll->id].ctl);
+}
+
+static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ uint32_t val;
+ unsigned int dpll;
+ const struct skl_dpll_regs *regs = skl_dpll_regs;
+ bool ret;
+
+ if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ ret = false;
+
+ /* DPLL0 is not part of the shared DPLLs, so pll->id is 0 for DPLL1 */
+ dpll = pll->id + 1;
+
+ val = I915_READ(regs[pll->id].ctl);
+ if (!(val & LCPLL_PLL_ENABLE))
+ goto out;
+
+ val = I915_READ(DPLL_CTRL1);
+ hw_state->ctrl1 = (val >> (dpll * 6)) & 0x3f;
+
+ /* avoid reading back stale values if HDMI mode is not enabled */
+ if (val & DPLL_CTRL1_HDMI_MODE(dpll)) {
+ hw_state->cfgcr1 = I915_READ(regs[pll->id].cfgcr1);
+ hw_state->cfgcr2 = I915_READ(regs[pll->id].cfgcr2);
+ }
+ ret = true;
+
+out:
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+
+ return ret;
+}
+
+static void skl_shared_dplls_init(struct drm_i915_private *dev_priv)
+{
+ int i;
+
+ dev_priv->num_shared_dpll = 3;
+
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = skl_ddi_pll_names[i];
+ dev_priv->shared_dplls[i].disable = skl_ddi_pll_disable;
+ dev_priv->shared_dplls[i].enable = skl_ddi_pll_enable;
+ dev_priv->shared_dplls[i].get_hw_state =
+ skl_ddi_pll_get_hw_state;
+ }
+}
+
+static const char * const bxt_ddi_pll_names[] = {
+ "PORT PLL A",
+ "PORT PLL B",
+ "PORT PLL C",
+};
+
+static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ uint32_t temp;
+ enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
+
+ temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
+ temp &= ~PORT_PLL_REF_SEL;
+ /* Non-SSC reference */
+ I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
+
+ /* Disable 10 bit clock */
+ temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
+ temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
+ I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+
+ /* Write P1 & P2 */
+ temp = I915_READ(BXT_PORT_PLL_EBB_0(port));
+ temp &= ~(PORT_PLL_P1_MASK | PORT_PLL_P2_MASK);
+ temp |= pll->config.hw_state.ebb0;
+ I915_WRITE(BXT_PORT_PLL_EBB_0(port), temp);
+
+ /* Write M2 integer */
+ temp = I915_READ(BXT_PORT_PLL(port, 0));
+ temp &= ~PORT_PLL_M2_MASK;
+ temp |= pll->config.hw_state.pll0;
+ I915_WRITE(BXT_PORT_PLL(port, 0), temp);
+
+ /* Write N */
+ temp = I915_READ(BXT_PORT_PLL(port, 1));
+ temp &= ~PORT_PLL_N_MASK;
+ temp |= pll->config.hw_state.pll1;
+ I915_WRITE(BXT_PORT_PLL(port, 1), temp);
+
+ /* Write M2 fraction */
+ temp = I915_READ(BXT_PORT_PLL(port, 2));
+ temp &= ~PORT_PLL_M2_FRAC_MASK;
+ temp |= pll->config.hw_state.pll2;
+ I915_WRITE(BXT_PORT_PLL(port, 2), temp);
+
+ /* Write M2 fraction enable */
+ temp = I915_READ(BXT_PORT_PLL(port, 3));
+ temp &= ~PORT_PLL_M2_FRAC_ENABLE;
+ temp |= pll->config.hw_state.pll3;
+ I915_WRITE(BXT_PORT_PLL(port, 3), temp);
+
+ /* Write coeff */
+ temp = I915_READ(BXT_PORT_PLL(port, 6));
+ temp &= ~PORT_PLL_PROP_COEFF_MASK;
+ temp &= ~PORT_PLL_INT_COEFF_MASK;
+ temp &= ~PORT_PLL_GAIN_CTL_MASK;
+ temp |= pll->config.hw_state.pll6;
+ I915_WRITE(BXT_PORT_PLL(port, 6), temp);
+
+ /* Write calibration val */
+ temp = I915_READ(BXT_PORT_PLL(port, 8));
+ temp &= ~PORT_PLL_TARGET_CNT_MASK;
+ temp |= pll->config.hw_state.pll8;
+ I915_WRITE(BXT_PORT_PLL(port, 8), temp);
+
+ temp = I915_READ(BXT_PORT_PLL(port, 9));
+ temp &= ~PORT_PLL_LOCK_THRESHOLD_MASK;
+ temp |= pll->config.hw_state.pll9;
+ I915_WRITE(BXT_PORT_PLL(port, 9), temp);
+
+ temp = I915_READ(BXT_PORT_PLL(port, 10));
+ temp &= ~PORT_PLL_DCO_AMP_OVR_EN_H;
+ temp &= ~PORT_PLL_DCO_AMP_MASK;
+ temp |= pll->config.hw_state.pll10;
+ I915_WRITE(BXT_PORT_PLL(port, 10), temp);
+
+ /* Recalibrate with new settings */
+ temp = I915_READ(BXT_PORT_PLL_EBB_4(port));
+ temp |= PORT_PLL_RECALIBRATE;
+ I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+ temp &= ~PORT_PLL_10BIT_CLK_ENABLE;
+ temp |= pll->config.hw_state.ebb4;
+ I915_WRITE(BXT_PORT_PLL_EBB_4(port), temp);
+
+ /* Enable PLL */
+ temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
+ temp |= PORT_PLL_ENABLE;
+ I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
+ POSTING_READ(BXT_PORT_PLL_ENABLE(port));
+
+ if (wait_for_atomic_us((I915_READ(BXT_PORT_PLL_ENABLE(port)) &
+ PORT_PLL_LOCK), 200))
+ DRM_ERROR("PLL %d not locked\n", port);
+
+ /*
+ * While we write to the group register to program all lanes at once we
+ * can read only lane registers and we pick lanes 0/1 for that.
+ */
+ temp = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
+ temp &= ~LANE_STAGGER_MASK;
+ temp &= ~LANESTAGGER_STRAP_OVRD;
+ temp |= pll->config.hw_state.pcsdw12;
+ I915_WRITE(BXT_PORT_PCS_DW12_GRP(port), temp);
+}
+
+static void bxt_ddi_pll_disable(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
+ uint32_t temp;
+
+ temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
+ temp &= ~PORT_PLL_ENABLE;
+ I915_WRITE(BXT_PORT_PLL_ENABLE(port), temp);
+ POSTING_READ(BXT_PORT_PLL_ENABLE(port));
+}
+
+static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ enum port port = (enum port)pll->id; /* 1:1 port->PLL mapping */
+ uint32_t val;
+ bool ret;
+
+ if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
+ return false;
+
+ ret = false;
+
+ val = I915_READ(BXT_PORT_PLL_ENABLE(port));
+ if (!(val & PORT_PLL_ENABLE))
+ goto out;
+
+ hw_state->ebb0 = I915_READ(BXT_PORT_PLL_EBB_0(port));
+ hw_state->ebb0 &= PORT_PLL_P1_MASK | PORT_PLL_P2_MASK;
+
+ hw_state->ebb4 = I915_READ(BXT_PORT_PLL_EBB_4(port));
+ hw_state->ebb4 &= PORT_PLL_10BIT_CLK_ENABLE;
+
+ hw_state->pll0 = I915_READ(BXT_PORT_PLL(port, 0));
+ hw_state->pll0 &= PORT_PLL_M2_MASK;
+
+ hw_state->pll1 = I915_READ(BXT_PORT_PLL(port, 1));
+ hw_state->pll1 &= PORT_PLL_N_MASK;
+
+ hw_state->pll2 = I915_READ(BXT_PORT_PLL(port, 2));
+ hw_state->pll2 &= PORT_PLL_M2_FRAC_MASK;
+
+ hw_state->pll3 = I915_READ(BXT_PORT_PLL(port, 3));
+ hw_state->pll3 &= PORT_PLL_M2_FRAC_ENABLE;
+
+ hw_state->pll6 = I915_READ(BXT_PORT_PLL(port, 6));
+ hw_state->pll6 &= PORT_PLL_PROP_COEFF_MASK |
+ PORT_PLL_INT_COEFF_MASK |
+ PORT_PLL_GAIN_CTL_MASK;
+
+ hw_state->pll8 = I915_READ(BXT_PORT_PLL(port, 8));
+ hw_state->pll8 &= PORT_PLL_TARGET_CNT_MASK;
+
+ hw_state->pll9 = I915_READ(BXT_PORT_PLL(port, 9));
+ hw_state->pll9 &= PORT_PLL_LOCK_THRESHOLD_MASK;
+
+ hw_state->pll10 = I915_READ(BXT_PORT_PLL(port, 10));
+ hw_state->pll10 &= PORT_PLL_DCO_AMP_OVR_EN_H |
+ PORT_PLL_DCO_AMP_MASK;
+
+ /*
+ * While we write to the group register to program all lanes at once we
+ * can read only lane registers. We configure all lanes the same way, so
+ * here just read out lanes 0/1 and output a note if lanes 2/3 differ.
+ */
+ hw_state->pcsdw12 = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
+ if (I915_READ(BXT_PORT_PCS_DW12_LN23(port)) != hw_state->pcsdw12)
+ DRM_DEBUG_DRIVER("lane stagger config different for lane 01 (%08x) and 23 (%08x)\n",
+ hw_state->pcsdw12,
+ I915_READ(BXT_PORT_PCS_DW12_LN23(port)));
+ hw_state->pcsdw12 &= LANE_STAGGER_MASK | LANESTAGGER_STRAP_OVRD;
+
+ ret = true;
+
+out:
+ intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
+
+ return ret;
+}
+
+static void bxt_shared_dplls_init(struct drm_i915_private *dev_priv)
+{
+ int i;
+
+ dev_priv->num_shared_dpll = 3;
+
+ for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+ dev_priv->shared_dplls[i].id = i;
+ dev_priv->shared_dplls[i].name = bxt_ddi_pll_names[i];
+ dev_priv->shared_dplls[i].disable = bxt_ddi_pll_disable;
+ dev_priv->shared_dplls[i].enable = bxt_ddi_pll_enable;
+ dev_priv->shared_dplls[i].get_hw_state =
+ bxt_ddi_pll_get_hw_state;
+ }
+}
+
+static void intel_ddi_pll_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ uint32_t val = I915_READ(LCPLL_CTL);
+
+ if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
+ skl_shared_dplls_init(dev_priv);
+ else if (IS_BROXTON(dev))
+ bxt_shared_dplls_init(dev_priv);
+ else
+ hsw_shared_dplls_init(dev_priv);
+
+ if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+ int cdclk_freq;
+
+ cdclk_freq = dev_priv->display.get_display_clock_speed(dev);
+ dev_priv->skl_boot_cdclk = cdclk_freq;
+ if (skl_sanitize_cdclk(dev_priv))
+ DRM_DEBUG_KMS("Sanitized cdclk programmed by pre-os\n");
+ if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE))
+ DRM_ERROR("LCPLL1 is disabled\n");
+ } else if (IS_BROXTON(dev)) {
+ broxton_init_cdclk(dev);
+ broxton_ddi_phy_init(dev);
+ } else {
+ /*
+ * The LCPLL register should be turned on by the BIOS. For now
+ * let's just check its state and print errors in case
+ * something is wrong. Don't even try to turn it on.
+ */
+
+ if (val & LCPLL_CD_SOURCE_FCLK)
+ DRM_ERROR("CDCLK source is not LCPLL\n");
+
+ if (val & LCPLL_PLL_DISABLE)
+ DRM_ERROR("LCPLL is disabled\n");
+ }
+}
+
void intel_shared_dpll_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 39a7d0a..f817963 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1031,7 +1031,6 @@ void hsw_fdi_link_train(struct drm_crtc *crtc);
void intel_ddi_init(struct drm_device *dev, enum port port);
enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder);
bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
-void intel_ddi_pll_init(struct drm_device *dev);
void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc);
void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder);
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 3/6] drm/i915: Split intel_get_shared_dpll() into smaller functions
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
2016-03-03 12:02 ` ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] " Patchwork
2016-03-03 12:03 ` [PATCH RESEND FOR CI 2/6] drm/i915: Move ddi shared dpll code to intel_dpll_mgr.c Ander Conselvan de Oliveira
@ 2016-03-03 12:03 ` Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 4/6] drm/i915: Store a direct pointer to shared dpll in intel_crtc_state Ander Conselvan de Oliveira
` (2 subsequent siblings)
5 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
Make the code neater by splitting the code for platforms with fixed PLL
to their own functions and splitting the logic for finding a shareable
or unused pll from the logic for setting it up.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/intel_dpll_mgr.c | 109 +++++++++++++++++++++++-----------
1 file changed, 74 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 6be0cd0..11effe3 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -145,52 +145,65 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
}
-struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
- struct intel_crtc_state *crtc_state)
+static enum intel_dpll_id
+ibx_get_fixed_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state)
{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_shared_dpll *pll;
- struct intel_shared_dpll_config *shared_dpll;
enum intel_dpll_id i;
- int max = dev_priv->num_shared_dpll;
- shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+ /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
+ i = (enum intel_dpll_id) crtc->pipe;
+ pll = &dev_priv->shared_dplls[i];
- if (HAS_PCH_IBX(dev_priv->dev)) {
- /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
- i = (enum intel_dpll_id) crtc->pipe;
- pll = &dev_priv->shared_dplls[i];
+ DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
+ crtc->base.base.id, pll->name);
- DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
- crtc->base.base.id, pll->name);
+ return i;
+}
- WARN_ON(shared_dpll[i].crtc_mask);
+static enum intel_dpll_id
+bxt_get_fixed_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ struct intel_encoder *encoder;
+ struct intel_digital_port *intel_dig_port;
+ struct intel_shared_dpll *pll;
+ enum intel_dpll_id i;
- goto found;
- }
+ /* PLL is attached to port in bxt */
+ encoder = intel_ddi_get_crtc_new_encoder(crtc_state);
+ if (WARN_ON(!encoder))
+ return DPLL_ID_PRIVATE;
- if (IS_BROXTON(dev_priv->dev)) {
- /* PLL is attached to port in bxt */
- struct intel_encoder *encoder;
- struct intel_digital_port *intel_dig_port;
+ intel_dig_port = enc_to_dig_port(&encoder->base);
+ /* 1:1 mapping between ports and PLLs */
+ i = (enum intel_dpll_id)intel_dig_port->port;
+ pll = &dev_priv->shared_dplls[i];
+ DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
+ crtc->base.base.id, pll->name);
- encoder = intel_ddi_get_crtc_new_encoder(crtc_state);
- if (WARN_ON(!encoder))
- return NULL;
+ return i;
+}
- intel_dig_port = enc_to_dig_port(&encoder->base);
- /* 1:1 mapping between ports and PLLs */
- i = (enum intel_dpll_id)intel_dig_port->port;
- pll = &dev_priv->shared_dplls[i];
- DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
- crtc->base.base.id, pll->name);
- WARN_ON(shared_dpll[i].crtc_mask);
+static enum intel_dpll_id
+intel_find_shared_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ struct intel_shared_dpll *pll;
+ struct intel_shared_dpll_config *shared_dpll;
+ enum intel_dpll_id i;
+ int max = dev_priv->num_shared_dpll;
- goto found;
- } else if (INTEL_INFO(dev_priv)->gen < 9 && HAS_DDI(dev_priv))
+ if (INTEL_INFO(dev_priv)->gen < 9 && HAS_DDI(dev_priv))
/* Do not consider SPLL */
max = 2;
+ shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+
for (i = 0; i < max; i++) {
pll = &dev_priv->shared_dplls[i];
@@ -205,7 +218,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
crtc->base.base.id, pll->name,
shared_dpll[i].crtc_mask,
pll->active);
- goto found;
+ return i;
}
}
@@ -215,13 +228,39 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
if (shared_dpll[i].crtc_mask == 0) {
DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
crtc->base.base.id, pll->name);
- goto found;
+ return i;
}
}
- return NULL;
+ return DPLL_ID_PRIVATE;
+}
+
+struct intel_shared_dpll *
+intel_get_shared_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ struct intel_shared_dpll *pll;
+ struct intel_shared_dpll_config *shared_dpll;
+ enum intel_dpll_id i;
+
+ shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+
+ if (HAS_PCH_IBX(dev_priv->dev)) {
+ i = ibx_get_fixed_dpll(crtc, crtc_state);
+ WARN_ON(shared_dpll[i].crtc_mask);
+ } else if (IS_BROXTON(dev_priv->dev)) {
+ i = bxt_get_fixed_dpll(crtc, crtc_state);
+ WARN_ON(shared_dpll[i].crtc_mask);
+ } else {
+ i = intel_find_shared_dpll(crtc, crtc_state);
+ }
+
+ if (i < 0)
+ return NULL;
+
+ pll = &dev_priv->shared_dplls[i];
-found:
if (shared_dpll[i].crtc_mask == 0)
shared_dpll[i].hw_state =
crtc_state->dpll_hw_state;
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 4/6] drm/i915: Store a direct pointer to shared dpll in intel_crtc_state
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
` (2 preceding siblings ...)
2016-03-03 12:03 ` [PATCH RESEND FOR CI 3/6] drm/i915: Split intel_get_shared_dpll() into smaller functions Ander Conselvan de Oliveira
@ 2016-03-03 12:03 ` Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 5/6] drm/i915: Move shared dpll struct definitions to separate header file Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 6/6] drm/i915: Move shared dpll function prototypes to intel_dpll_mgr.h Ander Conselvan de Oliveira
5 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
Change the type of intel_crtc_state->shared_dpll to be a pointer to a
shared dpll. With this there is no need to first convert the id stored
in the crtc state to a pointer in order to use it. It does introduce a
bit of hassle on doing the opposite.
The long term objective is to hide details about dpll ids behind the
shared dpll interface.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 4 +-
drivers/gpu/drm/i915/intel_display.c | 108 ++++++++++++++++++++++------------
drivers/gpu/drm/i915/intel_dpll_mgr.c | 51 ++++++++++++----
drivers/gpu/drm/i915/intel_drv.h | 19 +++++-
drivers/gpu/drm/i915/intel_lvds.c | 2 +-
5 files changed, 132 insertions(+), 52 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index eb6b55c..a2b33d0 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1209,6 +1209,7 @@ hsw_ddi_pll_select(struct intel_crtc *intel_crtc,
struct intel_crtc_state *crtc_state,
struct intel_encoder *intel_encoder)
{
+ struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
int clock = crtc_state->port_clock;
if (intel_encoder->type == INTEL_OUTPUT_HDMI) {
@@ -1244,7 +1245,8 @@ hsw_ddi_pll_select(struct intel_crtc *intel_crtc,
WARN_ON(spll->hw_state.spll != crtc_state->dpll_hw_state.spll))
return false;
- crtc_state->shared_dpll = DPLL_ID_SPLL;
+ crtc_state->shared_dpll =
+ intel_get_shared_dpll_by_id(dev_priv, DPLL_ID_SPLL);
spll->hw_state.spll = crtc_state->dpll_hw_state.spll;
spll->crtc_mask |= 1 << intel_crtc->pipe;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 565a50e..e79d56f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1830,8 +1830,7 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
BUG_ON(!HAS_PCH_SPLIT(dev));
/* Make sure PCH DPLL is enabled */
- assert_shared_dpll_enabled(dev_priv,
- intel_crtc_to_shared_dpll(intel_crtc));
+ assert_shared_dpll_enabled(dev_priv, intel_crtc->config->shared_dpll);
/* FDI must be feeding us bits for PCH ports */
assert_fdi_tx_enabled(dev_priv, pipe);
@@ -4134,7 +4133,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
temp = I915_READ(PCH_DPLL_SEL);
temp |= TRANS_DPLL_ENABLE(pipe);
sel = TRANS_DPLLB_SEL(pipe);
- if (intel_crtc->config->shared_dpll == DPLL_ID_PCH_PLL_B)
+ if (intel_crtc->config->shared_dpll ==
+ intel_get_shared_dpll_by_id(dev_priv, DPLL_ID_PCH_PLL_B))
temp |= sel;
else
temp &= ~sel;
@@ -4870,7 +4870,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
false);
- if (intel_crtc_to_shared_dpll(intel_crtc))
+ if (intel_crtc->config->shared_dpll)
intel_enable_shared_dpll(intel_crtc);
if (intel_crtc->config->has_dp_encoder)
@@ -8039,7 +8039,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
return false;
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
- pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+ pipe_config->shared_dpll = NULL;
ret = false;
@@ -9243,7 +9243,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
return false;
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
- pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+ pipe_config->shared_dpll = NULL;
ret = false;
tmp = I915_READ(PIPECONF(crtc->pipe));
@@ -9272,6 +9272,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) {
struct intel_shared_dpll *pll;
+ enum intel_dpll_id pll_id;
pipe_config->has_pch_encoder = true;
@@ -9282,17 +9283,18 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
ironlake_get_fdi_m_n_config(crtc, pipe_config);
if (HAS_PCH_IBX(dev_priv->dev)) {
- pipe_config->shared_dpll =
- (enum intel_dpll_id) crtc->pipe;
+ pll_id = (enum intel_dpll_id) crtc->pipe;
} else {
tmp = I915_READ(PCH_DPLL_SEL);
if (tmp & TRANS_DPLLB_SEL(crtc->pipe))
- pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B;
+ pll_id = DPLL_ID_PCH_PLL_B;
else
- pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A;
+ pll_id= DPLL_ID_PCH_PLL_A;
}
- pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
+ pipe_config->shared_dpll =
+ intel_get_shared_dpll_by_id(dev_priv, pll_id);
+ pll = pipe_config->shared_dpll;
WARN_ON(!pll->get_hw_state(dev_priv, pll,
&pipe_config->dpll_hw_state));
@@ -9728,28 +9730,34 @@ static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv,
enum port port,
struct intel_crtc_state *pipe_config)
{
+ enum intel_dpll_id id;
+
switch (port) {
case PORT_A:
pipe_config->ddi_pll_sel = SKL_DPLL0;
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1;
+ id = DPLL_ID_SKL_DPLL1;
break;
case PORT_B:
pipe_config->ddi_pll_sel = SKL_DPLL1;
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2;
+ id = DPLL_ID_SKL_DPLL2;
break;
case PORT_C:
pipe_config->ddi_pll_sel = SKL_DPLL2;
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3;
+ id = DPLL_ID_SKL_DPLL3;
break;
default:
DRM_ERROR("Incorrect port type\n");
+ return;
}
+
+ pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
}
static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
enum port port,
struct intel_crtc_state *pipe_config)
{
+ enum intel_dpll_id id;
u32 temp, dpll_ctl1;
temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port);
@@ -9764,36 +9772,53 @@ static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
*/
dpll_ctl1 = I915_READ(DPLL_CTRL1);
pipe_config->dpll_hw_state.ctrl1 = dpll_ctl1 & 0x3f;
- break;
+ return;
case SKL_DPLL1:
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1;
+ id = DPLL_ID_SKL_DPLL1;
break;
case SKL_DPLL2:
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2;
+ id = DPLL_ID_SKL_DPLL2;
break;
case SKL_DPLL3:
- pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3;
+ id = DPLL_ID_SKL_DPLL3;
break;
+ default:
+ MISSING_CASE(pipe_config->ddi_pll_sel);
+ return;
}
+
+ pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
}
static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
enum port port,
struct intel_crtc_state *pipe_config)
{
+ enum intel_dpll_id id;
+
pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
switch (pipe_config->ddi_pll_sel) {
case PORT_CLK_SEL_WRPLL1:
- pipe_config->shared_dpll = DPLL_ID_WRPLL1;
+ id = DPLL_ID_WRPLL1;
break;
case PORT_CLK_SEL_WRPLL2:
- pipe_config->shared_dpll = DPLL_ID_WRPLL2;
+ id = DPLL_ID_WRPLL2;
break;
case PORT_CLK_SEL_SPLL:
- pipe_config->shared_dpll = DPLL_ID_SPLL;
+ id = DPLL_ID_SPLL;
break;
+ default:
+ MISSING_CASE(pipe_config->ddi_pll_sel);
+ /* fall through */
+ case PORT_CLK_SEL_NONE:
+ case PORT_CLK_SEL_LCPLL_810:
+ case PORT_CLK_SEL_LCPLL_1350:
+ case PORT_CLK_SEL_LCPLL_2700:
+ return;
}
+
+ pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
}
static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
@@ -9816,9 +9841,8 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
else
haswell_get_ddi_pll(dev_priv, port, pipe_config);
- if (pipe_config->shared_dpll >= 0) {
- pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
-
+ pll = pipe_config->shared_dpll;
+ if (pll) {
WARN_ON(!pll->get_hw_state(dev_priv, pll,
&pipe_config->dpll_hw_state));
}
@@ -9858,7 +9882,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
ret = false;
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
- pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+ pipe_config->shared_dpll = NULL;
tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
if (tmp & TRANS_DDI_FUNC_ENABLE) {
@@ -11855,7 +11879,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
if (mode_changed && crtc_state->enable &&
dev_priv->display.crtc_compute_clock &&
- !WARN_ON(pipe_config->shared_dpll != DPLL_ID_PRIVATE)) {
+ !WARN_ON(pipe_config->shared_dpll)) {
ret = dev_priv->display.crtc_compute_clock(intel_crtc,
pipe_config);
if (ret)
@@ -12200,7 +12224,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
struct drm_crtc_state tmp_state;
struct intel_crtc_scaler_state scaler_state;
struct intel_dpll_hw_state dpll_hw_state;
- enum intel_dpll_id shared_dpll;
+ struct intel_shared_dpll *shared_dpll;
uint32_t ddi_pll_sel;
bool force_thru;
@@ -12470,6 +12494,15 @@ intel_pipe_config_compare(struct drm_device *dev,
ret = false; \
}
+#define PIPE_CONF_CHECK_P(name) \
+ if (current_config->name != pipe_config->name) { \
+ INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \
+ "(expected %p, found %p)\n", \
+ current_config->name, \
+ pipe_config->name); \
+ ret = false; \
+ }
+
#define PIPE_CONF_CHECK_M_N(name) \
if (!intel_compare_link_m_n(¤t_config->name, \
&pipe_config->name,\
@@ -12637,7 +12670,7 @@ intel_pipe_config_compare(struct drm_device *dev,
PIPE_CONF_CHECK_X(ddi_pll_sel);
- PIPE_CONF_CHECK_I(shared_dpll);
+ PIPE_CONF_CHECK_P(shared_dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
@@ -12656,6 +12689,7 @@ intel_pipe_config_compare(struct drm_device *dev,
#undef PIPE_CONF_CHECK_X
#undef PIPE_CONF_CHECK_I
+#undef PIPE_CONF_CHECK_P
#undef PIPE_CONF_CHECK_I_ALT
#undef PIPE_CONF_CHECK_FLAGS
#undef PIPE_CONF_CHECK_CLOCK_FUZZY
@@ -12879,7 +12913,8 @@ check_shared_dpll_state(struct drm_device *dev)
int i;
for (i = 0; i < dev_priv->num_shared_dpll; i++) {
- struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+ struct intel_shared_dpll *pll =
+ intel_get_shared_dpll_by_id(dev_priv, i);
int enabled_crtcs = 0, active_crtcs = 0;
bool active;
@@ -12901,9 +12936,9 @@ check_shared_dpll_state(struct drm_device *dev)
pll->on, active);
for_each_intel_crtc(dev, crtc) {
- if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll)
+ if (crtc->base.state->enable && crtc->config->shared_dpll == pll)
enabled_crtcs++;
- if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll)
+ if (crtc->active && crtc->config->shared_dpll == pll)
active_crtcs++;
}
I915_STATE_WARN(pll->active != active_crtcs,
@@ -12982,20 +13017,21 @@ static void intel_modeset_clear_plls(struct drm_atomic_state *state)
for_each_crtc_in_state(state, crtc, crtc_state, i) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int old_dpll = to_intel_crtc_state(crtc->state)->shared_dpll;
+ struct intel_shared_dpll *old_dpll =
+ to_intel_crtc_state(crtc->state)->shared_dpll;
if (!needs_modeset(crtc_state))
continue;
- to_intel_crtc_state(crtc_state)->shared_dpll = DPLL_ID_PRIVATE;
+ to_intel_crtc_state(crtc_state)->shared_dpll = NULL;
- if (old_dpll == DPLL_ID_PRIVATE)
+ if (!old_dpll)
continue;
if (!shared_dpll)
shared_dpll = intel_atomic_get_shared_dpll_state(state);
- shared_dpll[old_dpll].crtc_mask &= ~(1 << intel_crtc->pipe);
+ intel_shared_dpll_config_put(shared_dpll, old_dpll, intel_crtc);
}
}
@@ -15641,7 +15677,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
pll->active = 0;
pll->config.crtc_mask = 0;
for_each_intel_crtc(dev, crtc) {
- if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) {
+ if (crtc->active && crtc->config->shared_dpll == pll) {
pll->active++;
pll->config.crtc_mask |= 1 << crtc->pipe;
}
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 11effe3..889ceed 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -24,14 +24,43 @@
#include "intel_drv.h"
struct intel_shared_dpll *
-intel_crtc_to_shared_dpll(struct intel_crtc *crtc)
+intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv,
+ enum intel_dpll_id id)
{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ return &dev_priv->shared_dplls[id];
+}
- if (crtc->config->shared_dpll < 0)
- return NULL;
+enum intel_dpll_id
+intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll)
+{
+ if (WARN_ON(pll < dev_priv->shared_dplls||
+ pll > &dev_priv->shared_dplls[dev_priv->num_shared_dpll]))
+ return -1;
+
+ return (enum intel_dpll_id) (pll - dev_priv->shared_dplls);
+}
+
+void
+intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);
+
+ config[id].crtc_mask |= 1 << crtc->pipe;
+}
+
+void
+intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum intel_dpll_id id = intel_get_shared_dpll_id(dev_priv, pll);
- return &dev_priv->shared_dplls[crtc->config->shared_dpll];
+ config[id].crtc_mask &= ~(1 << crtc->pipe);
}
/* For ILK+ */
@@ -55,7 +84,7 @@ void intel_prepare_shared_dpll(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+ struct intel_shared_dpll *pll = crtc->config->shared_dpll;
if (WARN_ON(pll == NULL))
return;
@@ -82,7 +111,7 @@ void intel_enable_shared_dpll(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+ struct intel_shared_dpll *pll = crtc->config->shared_dpll;
if (WARN_ON(pll == NULL))
return;
@@ -112,7 +141,7 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+ struct intel_shared_dpll *pll = crtc->config->shared_dpll;
/* PCH only available on ILK+ */
if (INTEL_INFO(dev)->gen < 5)
@@ -265,11 +294,11 @@ intel_get_shared_dpll(struct intel_crtc *crtc,
shared_dpll[i].hw_state =
crtc_state->dpll_hw_state;
- crtc_state->shared_dpll = i;
+ crtc_state->shared_dpll = pll;
DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
pipe_name(crtc->pipe));
- shared_dpll[i].crtc_mask |= 1 << crtc->pipe;
+ intel_shared_dpll_config_get(shared_dpll, pll, crtc);
return pll;
}
@@ -360,7 +389,7 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
/* Make sure no transcoder isn't still depending on us. */
for_each_intel_crtc(dev, crtc) {
- if (intel_crtc_to_shared_dpll(crtc) == pll)
+ if (crtc->config->shared_dpll == pll)
assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f817963..d4ad8ff 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -448,8 +448,8 @@ struct intel_crtc_state {
* haswell. */
struct dpll dpll;
- /* Selected dpll when shared or DPLL_ID_PRIVATE. */
- enum intel_dpll_id shared_dpll;
+ /* Selected dpll when shared or NULL. */
+ struct intel_shared_dpll *shared_dpll;
/*
* - PORT_CLK_SEL for DDI ports on HSW/BDW.
@@ -1171,7 +1171,20 @@ void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe);
/* shared dpll functions */
-struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
+struct intel_shared_dpll *
+intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv,
+ enum intel_dpll_id id);
+enum intel_dpll_id
+intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+void
+intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc);
+void
+intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc);
void assert_shared_dpll(struct drm_i915_private *dev_priv,
struct intel_shared_dpll *pll,
bool state);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index b35342f..cbd1b0d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -145,7 +145,7 @@ static void intel_pre_enable_lvds(struct intel_encoder *encoder)
if (HAS_PCH_SPLIT(dev)) {
assert_fdi_rx_pll_disabled(dev_priv, pipe);
assert_shared_dpll_disabled(dev_priv,
- intel_crtc_to_shared_dpll(crtc));
+ crtc->config->shared_dpll);
} else {
assert_pll_disabled(dev_priv, pipe);
}
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 5/6] drm/i915: Move shared dpll struct definitions to separate header file
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
` (3 preceding siblings ...)
2016-03-03 12:03 ` [PATCH RESEND FOR CI 4/6] drm/i915: Store a direct pointer to shared dpll in intel_crtc_state Ander Conselvan de Oliveira
@ 2016-03-03 12:03 ` Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 6/6] drm/i915: Move shared dpll function prototypes to intel_dpll_mgr.h Ander Conselvan de Oliveira
5 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
Move the declarations related to shared dplls from i915_drv.h to their
own header file.
The code that became the shared dpll infrastructre was first introcude
in commit ee7b9f93fd96 ("drm/i915: manage PCH PLLs separately from
pipes"), hence the 2012-2016 copyright years in the new header file.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 76 +-----------------------
drivers/gpu/drm/i915/intel_dpll_mgr.h | 106 ++++++++++++++++++++++++++++++++++
2 files changed, 107 insertions(+), 75 deletions(-)
create mode 100644 drivers/gpu/drm/i915/intel_dpll_mgr.h
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c8791f6..24abfb0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -53,6 +53,7 @@
#include <linux/kref.h>
#include <linux/pm_qos.h>
#include "intel_guc.h"
+#include "intel_dpll_mgr.h"
/* General customization:
*/
@@ -340,81 +341,6 @@ struct drm_i915_file_private {
unsigned int bsd_ring;
};
-enum intel_dpll_id {
- DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
- /* real shared dpll ids must be >= 0 */
- DPLL_ID_PCH_PLL_A = 0,
- DPLL_ID_PCH_PLL_B = 1,
- /* hsw/bdw */
- DPLL_ID_WRPLL1 = 0,
- DPLL_ID_WRPLL2 = 1,
- DPLL_ID_SPLL = 2,
-
- /* skl */
- DPLL_ID_SKL_DPLL1 = 0,
- DPLL_ID_SKL_DPLL2 = 1,
- DPLL_ID_SKL_DPLL3 = 2,
-};
-#define I915_NUM_PLLS 3
-
-struct intel_dpll_hw_state {
- /* i9xx, pch plls */
- uint32_t dpll;
- uint32_t dpll_md;
- uint32_t fp0;
- uint32_t fp1;
-
- /* hsw, bdw */
- uint32_t wrpll;
- uint32_t spll;
-
- /* skl */
- /*
- * DPLL_CTRL1 has 6 bits for each each this DPLL. We store those in
- * lower part of ctrl1 and they get shifted into position when writing
- * the register. This allows us to easily compare the state to share
- * the DPLL.
- */
- uint32_t ctrl1;
- /* HDMI only, 0 when used for DP */
- uint32_t cfgcr1, cfgcr2;
-
- /* bxt */
- uint32_t ebb0, ebb4, pll0, pll1, pll2, pll3, pll6, pll8, pll9, pll10,
- pcsdw12;
-};
-
-struct intel_shared_dpll_config {
- unsigned crtc_mask; /* mask of CRTCs sharing this PLL */
- struct intel_dpll_hw_state hw_state;
-};
-
-struct intel_shared_dpll {
- struct intel_shared_dpll_config config;
-
- int active; /* count of number of active CRTCs (i.e. DPMS on) */
- bool on; /* is the PLL actually active? Disabled during modeset */
- const char *name;
- /* should match the index in the dev_priv->shared_dplls array */
- enum intel_dpll_id id;
- /* The mode_set hook is optional and should be used together with the
- * intel_prepare_shared_dpll function. */
- void (*mode_set)(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll);
- void (*enable)(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll);
- void (*disable)(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll);
- bool (*get_hw_state)(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- struct intel_dpll_hw_state *hw_state);
-};
-
-#define SKL_DPLL0 0
-#define SKL_DPLL1 1
-#define SKL_DPLL2 2
-#define SKL_DPLL3 3
-
/* Used by dp and fdi links */
struct intel_link_m_n {
uint32_t tu;
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.h b/drivers/gpu/drm/i915/intel_dpll_mgr.h
new file mode 100644
index 0000000..a62d1ba
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright © 2012-2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _INTEL_DPLL_MGR_H_
+#define _INTEL_DPLL_MGR_H_
+
+struct drm_i915_private;
+
+enum intel_dpll_id {
+ DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
+ /* real shared dpll ids must be >= 0 */
+ DPLL_ID_PCH_PLL_A = 0,
+ DPLL_ID_PCH_PLL_B = 1,
+ /* hsw/bdw */
+ DPLL_ID_WRPLL1 = 0,
+ DPLL_ID_WRPLL2 = 1,
+ DPLL_ID_SPLL = 2,
+
+ /* skl */
+ DPLL_ID_SKL_DPLL1 = 0,
+ DPLL_ID_SKL_DPLL2 = 1,
+ DPLL_ID_SKL_DPLL3 = 2,
+};
+#define I915_NUM_PLLS 3
+
+struct intel_dpll_hw_state {
+ /* i9xx, pch plls */
+ uint32_t dpll;
+ uint32_t dpll_md;
+ uint32_t fp0;
+ uint32_t fp1;
+
+ /* hsw, bdw */
+ uint32_t wrpll;
+ uint32_t spll;
+
+ /* skl */
+ /*
+ * DPLL_CTRL1 has 6 bits for each each this DPLL. We store those in
+ * lower part of ctrl1 and they get shifted into position when writing
+ * the register. This allows us to easily compare the state to share
+ * the DPLL.
+ */
+ uint32_t ctrl1;
+ /* HDMI only, 0 when used for DP */
+ uint32_t cfgcr1, cfgcr2;
+
+ /* bxt */
+ uint32_t ebb0, ebb4, pll0, pll1, pll2, pll3, pll6, pll8, pll9, pll10,
+ pcsdw12;
+};
+
+struct intel_shared_dpll_config {
+ unsigned crtc_mask; /* mask of CRTCs sharing this PLL */
+ struct intel_dpll_hw_state hw_state;
+};
+
+struct intel_shared_dpll {
+ struct intel_shared_dpll_config config;
+
+ int active; /* count of number of active CRTCs (i.e. DPMS on) */
+ bool on; /* is the PLL actually active? Disabled during modeset */
+ const char *name;
+ /* should match the index in the dev_priv->shared_dplls array */
+ enum intel_dpll_id id;
+ /* The mode_set hook is optional and should be used together with the
+ * intel_prepare_shared_dpll function. */
+ void (*mode_set)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+ void (*enable)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+ void (*disable)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+ bool (*get_hw_state)(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ struct intel_dpll_hw_state *hw_state);
+};
+
+#define SKL_DPLL0 0
+#define SKL_DPLL1 1
+#define SKL_DPLL2 2
+#define SKL_DPLL3 3
+
+
+#endif /* _INTEL_DPLL_MGR_H_ */
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH RESEND FOR CI 6/6] drm/i915: Move shared dpll function prototypes to intel_dpll_mgr.h
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
` (4 preceding siblings ...)
2016-03-03 12:03 ` [PATCH RESEND FOR CI 5/6] drm/i915: Move shared dpll struct definitions to separate header file Ander Conselvan de Oliveira
@ 2016-03-03 12:03 ` Ander Conselvan de Oliveira
5 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan de Oliveira @ 2016-03-03 12:03 UTC (permalink / raw)
To: intel-gfx; +Cc: Ander Conselvan de Oliveira
Move shared dpll function prototype together with other shared dpll
definitions.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
drivers/gpu/drm/i915/intel_dpll_mgr.h | 30 ++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 28 ----------------------------
2 files changed, 30 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.h b/drivers/gpu/drm/i915/intel_dpll_mgr.h
index a62d1ba..a2ecf80 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.h
@@ -26,6 +26,8 @@
#define _INTEL_DPLL_MGR_H_
struct drm_i915_private;
+struct intel_crtc;
+struct intel_crtc_state;
enum intel_dpll_id {
DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
@@ -102,5 +104,33 @@ struct intel_shared_dpll {
#define SKL_DPLL2 2
#define SKL_DPLL3 3
+/* shared dpll functions */
+struct intel_shared_dpll *
+intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv,
+ enum intel_dpll_id id);
+enum intel_dpll_id
+intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll);
+void
+intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc);
+void
+intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
+ struct intel_shared_dpll *pll,
+ struct intel_crtc *crtc);
+void assert_shared_dpll(struct drm_i915_private *dev_priv,
+ struct intel_shared_dpll *pll,
+ bool state);
+#define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
+#define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
+struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
+ struct intel_crtc_state *state);
+void intel_prepare_shared_dpll(struct intel_crtc *crtc);
+void intel_enable_shared_dpll(struct intel_crtc *crtc);
+void intel_disable_shared_dpll(struct intel_crtc *crtc);
+void intel_shared_dpll_commit(struct drm_atomic_state *state);
+void intel_shared_dpll_init(struct drm_device *dev);
+
#endif /* _INTEL_DPLL_MGR_H_ */
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d4ad8ff..270e94b 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1170,34 +1170,6 @@ void intel_create_rotation_property(struct drm_device *dev,
void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe);
-/* shared dpll functions */
-struct intel_shared_dpll *
-intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv,
- enum intel_dpll_id id);
-enum intel_dpll_id
-intel_get_shared_dpll_id(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll);
-void
-intel_shared_dpll_config_get(struct intel_shared_dpll_config *config,
- struct intel_shared_dpll *pll,
- struct intel_crtc *crtc);
-void
-intel_shared_dpll_config_put(struct intel_shared_dpll_config *config,
- struct intel_shared_dpll *pll,
- struct intel_crtc *crtc);
-void assert_shared_dpll(struct drm_i915_private *dev_priv,
- struct intel_shared_dpll *pll,
- bool state);
-#define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
-#define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
-struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
- struct intel_crtc_state *state);
-void intel_prepare_shared_dpll(struct intel_crtc *crtc);
-void intel_enable_shared_dpll(struct intel_crtc *crtc);
-void intel_disable_shared_dpll(struct intel_crtc *crtc);
-void intel_shared_dpll_commit(struct drm_atomic_state *state);
-void intel_shared_dpll_init(struct drm_device *dev);
-
int vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
const struct dpll *dpll);
void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe);
--
2.4.3
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] drm/i915: Move shared dpll code to a new file
2016-03-03 12:02 ` ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] " Patchwork
@ 2016-03-03 13:31 ` Ander Conselvan De Oliveira
0 siblings, 0 replies; 8+ messages in thread
From: Ander Conselvan De Oliveira @ 2016-03-03 13:31 UTC (permalink / raw)
To: intel-gfx; +Cc: Daniel Vetter
On Thu, 2016-03-03 at 12:02 +0000, Patchwork wrote:
> == Series Details ==
>
> Series: series starting with [RESEND,FOR,CI,1/6] drm/i915: Move shared dpll
> code to a new file
> URL : https://patchwork.freedesktop.org/series/4055/
> State : failure
>
> == Summary ==
>
> Series 4055v1 Series without cover letter
> http://patchwork.freedesktop.org/api/1.0/series/4055/revisions/1/mbox/
>
> Test drv_module_reload_basic:
> incomplete -> PASS (snb-dellxps)
> Test kms_pipe_crc_basic:
> Subgroup suspend-read-crc-pipe-b:
> pass -> INCOMPLETE (hsw-gt2)
The exact opposite happened with the previous version of the series:
Test kms_pipe_crc_basic:
[...]
Subgroup suspend-read-crc-pipe-b:
incomplete -> PASS (hsw-gt2)
Seems unrelated, but I'll leave the merging of these patches to a maintainer,
just in case.
Ander
>
> bdw-nuci7 total:169 pass:158 dwarn:0 dfail:0 fail:0 skip:11
> bdw-ultra total:169 pass:155 dwarn:0 dfail:0 fail:0 skip:14
> bsw-nuc-2 total:169 pass:137 dwarn:1 dfail:0 fail:1 skip:30
> byt-nuc total:169 pass:144 dwarn:0 dfail:0 fail:0 skip:25
> hsw-brixbox total:169 pass:154 dwarn:0 dfail:0 fail:0 skip:15
> hsw-gt2 total:54 pass:49 dwarn:0 dfail:0 fail:0 skip:4
> ilk-hp8440p total:169 pass:119 dwarn:0 dfail:0 fail:0 skip:50
> ivb-t430s total:169 pass:154 dwarn:0 dfail:0 fail:0 skip:15
> skl-i5k-2 total:169 pass:153 dwarn:0 dfail:0 fail:0 skip:16
> skl-i7k-2 total:169 pass:153 dwarn:0 dfail:0 fail:0 skip:16
> snb-dellxps total:169 pass:145 dwarn:1 dfail:0 fail:0 skip:23
> snb-x220t total:169 pass:145 dwarn:1 dfail:0 fail:1 skip:22
>
> Results at /archive/results/CI_IGT_test/Patchwork_1522/
>
> 99ba2daf15b76f01916dc645b8d1b03dbbabf13c drm-intel-nightly: 2016y-03m-03d-08h
> -27m-26s UTC integration manifest
> 5b83e778a311602b2d0fd768ec68b981ffdca00f drm/i915: Move shared dpll function
> prototypes to intel_dpll_mgr.h
> 79ac3787085a9bb4b447ea0ef9f8fdc9326b4a1b drm/i915: Move shared dpll struct
> definitions to separate header file
> 800e835a449b6d57c87ee687ab2e8bc0f8fc0983 drm/i915: Store a direct pointer to
> shared dpll in intel_crtc_state
> 335e84b598184d8a061a949c3e1eecb27f0267c2 drm/i915: Split
> intel_get_shared_dpll() into smaller functions
> 86403971f58d7d8aeeb4a62b0171fbe895dd6c82 drm/i915: Move ddi shared dpll code
> to intel_dpll_mgr.c
> 6f2a88e92eb337f2e659beb74d19db9b30fa364e drm/i915: Move shared dpll code to a
> new file
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2016-03-03 13:31 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-03-03 12:03 [PATCH RESEND FOR CI 1/6] drm/i915: Move shared dpll code to a new file Ander Conselvan de Oliveira
2016-03-03 12:02 ` ✗ Fi.CI.BAT: failure for series starting with [RESEND,FOR,CI,1/6] " Patchwork
2016-03-03 13:31 ` Ander Conselvan De Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 2/6] drm/i915: Move ddi shared dpll code to intel_dpll_mgr.c Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 3/6] drm/i915: Split intel_get_shared_dpll() into smaller functions Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 4/6] drm/i915: Store a direct pointer to shared dpll in intel_crtc_state Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 5/6] drm/i915: Move shared dpll struct definitions to separate header file Ander Conselvan de Oliveira
2016-03-03 12:03 ` [PATCH RESEND FOR CI 6/6] drm/i915: Move shared dpll function prototypes to intel_dpll_mgr.h Ander Conselvan de Oliveira
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox