[RFC 11/28] drm/i915: Convert i915_ppgtt_init_hw to intel_gt

Tvrtko Ursulin
2019-06-13T13:39:04Z

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

More removal of implicit dev_priv from using old mmio accessors.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 2 +-
drivers/gpu/drm/i915/i915_gem_gtt.c | 102 ++++++++++++++++++----------
drivers/gpu/drm/i915/i915_gem_gtt.h | 3 +-
3 files changed, 68 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 49c7c7b87bdc..e54cd30534dc 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1270,7 +1270,7 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv)
if (ret)
goto out;

- ret = i915_ppgtt_init_hw(dev_priv);
+ ret = i915_ppgtt_init_hw(&dev_priv->gt);
if (ret) {
DRM_ERROR("Enabling PPGTT failed (%d)\n", ret);
goto out;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ac6ed459720e..651ca5ed08a1 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -43,6 +43,7 @@
#include "i915_vgpu.h"
#include "intel_drv.h"
#include "intel_frontbuffer.h"
+#include "gt/intel_gt.h"

#define I915_GFP_ALLOW_FAIL (GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN)

@@ -1694,25 +1695,29 @@ static inline void gen6_write_pde(const struct gen6_ppgtt *ppgtt,
ppgtt->pd_addr + pde);
}

-static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv)
+static void gen7_ppgtt_enable(struct intel_gt *gt)
{
+ struct drm_i915_private *i915 = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
struct intel_engine_cs *engine;
u32 ecochk, ecobits;
enum intel_engine_id id;

- ecobits = I915_READ(GAC_ECO_BITS);
- I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
+ ecobits = intel_uncore_read(uncore, GAC_ECO_BITS);
+ intel_uncore_write(uncore,
+ GAC_ECO_BITS,
+ ecobits | ECOBITS_PPGTT_CACHE64B);

- ecochk = I915_READ(GAM_ECOCHK);
- if (IS_HASWELL(dev_priv)) {
+ ecochk = intel_uncore_read(uncore, GAM_ECOCHK);
+ if (IS_HASWELL(i915)) {
ecochk |= ECOCHK_PPGTT_WB_HSW;
} else {
ecochk |= ECOCHK_PPGTT_LLC_IVB;
ecochk &= ~ECOCHK_PPGTT_GFDT_IVB;
}
- I915_WRITE(GAM_ECOCHK, ecochk);
+ intel_uncore_write(uncore, GAM_ECOCHK, ecochk);

- for_each_engine(engine, dev_priv, id) {
+ for_each_engine(engine, i915, id) {
/* GFX_MODE is per-ring on gen7+ */
ENGINE_WRITE(engine,
RING_MODE_GEN7,
@@ -1720,22 +1725,30 @@ static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv)
}
}

-static void gen6_ppgtt_enable(struct drm_i915_private *dev_priv)
+static void gen6_ppgtt_enable(struct intel_gt *gt)
{
+ struct intel_uncore *uncore = gt->uncore;
u32 ecochk, gab_ctl, ecobits;

- ecobits = I915_READ(GAC_ECO_BITS);
- I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
- ECOBITS_PPGTT_CACHE64B);
+ ecobits = intel_uncore_read(uncore, GAC_ECO_BITS);
+ intel_uncore_write(uncore,
+ GAC_ECO_BITS,
+ ecobits | ECOBITS_SNB_BIT | ECOBITS_PPGTT_CACHE64B);

- gab_ctl = I915_READ(GAB_CTL);
- I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
+ gab_ctl = intel_uncore_read(uncore, GAB_CTL);
+ intel_uncore_write(uncore,
+ GAB_CTL,
+ gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);

- ecochk = I915_READ(GAM_ECOCHK);
- I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);
+ ecochk = intel_uncore_read(uncore, GAM_ECOCHK);
+ intel_uncore_write(uncore,
+ GAM_ECOCHK,
+ ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B);

- if (HAS_PPGTT(dev_priv)) /* may be disabled for VT-d */
- I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+ if (HAS_PPGTT(uncore_to_i915(uncore))) /* may be disabled for VT-d */
+ intel_uncore_write(uncore,
+ GFX_MODE,
+ _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
}

/* PPGTT support for Sandybdrige/Gen6 and later */
@@ -2187,21 +2200,32 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915)
return ERR_PTR(err);
}

-static void gtt_write_workarounds(struct drm_i915_private *dev_priv)
+static void gtt_write_workarounds(struct intel_gt *gt)
{
+ struct drm_i915_private *i915 = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
+
/* This function is for gtt related workarounds. This function is
* called on driver load and after a GPU reset, so you can place
* workarounds here even if they get overwritten by GPU reset.
*/
/* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt,kbl,glk,cfl,cnl,icl */
- if (IS_BROADWELL(dev_priv))
- I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW);
- else if (IS_CHERRYVIEW(dev_priv))
- I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV);
- else if (IS_GEN9_LP(dev_priv))
- I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
- else if (INTEL_GEN(dev_priv) >= 9)
- I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL);
+ if (IS_BROADWELL(i915))
+ intel_uncore_write(uncore,
+ GEN8_L3_LRA_1_GPGPU,
+ GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW);
+ else if (IS_CHERRYVIEW(i915))
+ intel_uncore_write(uncore,
+ GEN8_L3_LRA_1_GPGPU,
+ GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV);
+ else if (IS_GEN9_LP(i915))
+ intel_uncore_write(uncore,
+ GEN8_L3_LRA_1_GPGPU,
+ GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
+ else if (INTEL_GEN(i915) >= 9)
+ intel_uncore_write(uncore,
+ GEN8_L3_LRA_1_GPGPU,
+ GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL);

/*
* To support 64K PTEs we need to first enable the use of the
@@ -2214,21 +2238,25 @@ static void gtt_write_workarounds(struct drm_i915_private *dev_priv)
* 32K pages, but we don't currently have any support for it in our
* driver.
*/
- if (HAS_PAGE_SIZES(dev_priv, I915_GTT_PAGE_SIZE_64K) &&
- INTEL_GEN(dev_priv) <= 10)
- I915_WRITE(GEN8_GAMW_ECO_DEV_RW_IA,
- I915_READ(GEN8_GAMW_ECO_DEV_RW_IA) |
- GAMW_ECO_ENABLE_64K_IPS_FIELD);
+ if (HAS_PAGE_SIZES(i915, I915_GTT_PAGE_SIZE_64K) &&
+ INTEL_GEN(i915) <= 10)
+ intel_uncore_write(uncore,
+ GEN8_GAMW_ECO_DEV_RW_IA,
+ intel_uncore_read(uncore,
+ GEN8_GAMW_ECO_DEV_RW_IA) |
+ GAMW_ECO_ENABLE_64K_IPS_FIELD);
}

-int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv)
+int i915_ppgtt_init_hw(struct intel_gt *gt)
{
- gtt_write_workarounds(dev_priv);
+ struct drm_i915_private *i915 = gt->i915;
+
+ gtt_write_workarounds(gt);

- if (IS_GEN(dev_priv, 6))
- gen6_ppgtt_enable(dev_priv);
- else if (IS_GEN(dev_priv, 7))
- gen7_ppgtt_enable(dev_priv);
+ if (IS_GEN(i915, 6))
+ gen6_ppgtt_enable(gt);
+ else if (IS_GEN(i915, 7))
+ gen7_ppgtt_enable(gt);

return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 63fa357c69de..f8c06288be65 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -64,6 +64,7 @@
struct drm_i915_file_private;
struct drm_i915_gem_object;
struct i915_vma;
+struct intel_gt;

typedef u32 gen6_pte_t;
typedef u64 gen8_pte_t;
@@ -647,7 +648,7 @@ void i915_ggtt_disable_guc(struct drm_i915_private *i915);
int i915_gem_init_ggtt(struct drm_i915_private *dev_priv);
void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv);

-int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv);
+int i915_ppgtt_init_hw(struct intel_gt *gt);

struct i915_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv);

--
2.20.1