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From: Dave Airlie <airlied@gmail.com>
To: intel-gfx@lists.freedesktop.org
Cc: jani.nikula@linux.intel.com, Dave Airlie <airlied@redhat.com>,
	Jani Nikula <jani.nikula@intel.com>
Subject: [Intel-gfx] [PATCH 23/23] drm/i915: constify display wm vtable
Date: Thu,  9 Sep 2021 11:53:22 +1000	[thread overview]
Message-ID: <20210909015322.2988500-24-airlied@gmail.com> (raw)
In-Reply-To: <20210909015322.2988500-1-airlied@gmail.com>

From: Dave Airlie <airlied@redhat.com>

Use a nop table for the cases where CxSR doesn't init properly.

v2: use a nop table (Jani)

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 34 ++++-----
 drivers/gpu/drm/i915/i915_drv.h              |  2 +-
 drivers/gpu/drm/i915/intel_pm.c              | 80 ++++++++++++++------
 3 files changed, 75 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8b9727d84435..502e9ac70de1 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -162,16 +162,16 @@ static void intel_modeset_setup_hw_state(struct drm_device *dev,
  */
 static void intel_update_watermarks(struct drm_i915_private *dev_priv)
 {
-	if (dev_priv->wm_disp.update_wm)
-		dev_priv->wm_disp.update_wm(dev_priv);
+	if (dev_priv->wm_disp->update_wm)
+		dev_priv->wm_disp->update_wm(dev_priv);
 }
 
 static int intel_compute_pipe_wm(struct intel_atomic_state *state,
 				 struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	if (dev_priv->wm_disp.compute_pipe_wm)
-		return dev_priv->wm_disp.compute_pipe_wm(state, crtc);
+	if (dev_priv->wm_disp->compute_pipe_wm)
+		return dev_priv->wm_disp->compute_pipe_wm(state, crtc);
 	return 0;
 }
 
@@ -180,10 +180,10 @@ static int intel_compute_intermediate_wm(struct intel_atomic_state *state,
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 	if (drm_WARN_ON(&dev_priv->drm,
-			!dev_priv->wm_disp.compute_pipe_wm))
+			!dev_priv->wm_disp->compute_pipe_wm))
 		return 0;
-	if (dev_priv->wm_disp.compute_pipe_wm)
-		return dev_priv->wm_disp.compute_intermediate_wm(state, crtc);
+	if (dev_priv->wm_disp->compute_pipe_wm)
+		return dev_priv->wm_disp->compute_intermediate_wm(state, crtc);
 	return 0;
 }
 
@@ -191,8 +191,8 @@ static bool intel_initial_watermarks(struct intel_atomic_state *state,
 				     struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	if (dev_priv->wm_disp.initial_watermarks) {
-		dev_priv->wm_disp.initial_watermarks(state, crtc);
+	if (dev_priv->wm_disp->initial_watermarks) {
+		dev_priv->wm_disp->initial_watermarks(state, crtc);
 		return true;
 	}
 	return false;
@@ -202,23 +202,23 @@ static void intel_atomic_update_watermarks(struct intel_atomic_state *state,
 					   struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	if (dev_priv->wm_disp.atomic_update_watermarks)
-		dev_priv->wm_disp.atomic_update_watermarks(state, crtc);
+	if (dev_priv->wm_disp->atomic_update_watermarks)
+		dev_priv->wm_disp->atomic_update_watermarks(state, crtc);
 }
 
 static void intel_optimize_watermarks(struct intel_atomic_state *state,
 				      struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	if (dev_priv->wm_disp.optimize_watermarks)
-		dev_priv->wm_disp.optimize_watermarks(state, crtc);
+	if (dev_priv->wm_disp->optimize_watermarks)
+		dev_priv->wm_disp->optimize_watermarks(state, crtc);
 }
 
 static void intel_compute_global_watermarks(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	if (dev_priv->wm_disp.compute_global_watermarks)
-		dev_priv->wm_disp.compute_global_watermarks(state);
+	if (dev_priv->wm_disp->compute_global_watermarks)
+		dev_priv->wm_disp->compute_global_watermarks(state);
 }
 
 /* returns HPLL frequency in kHz */
@@ -3735,7 +3735,7 @@ static void i9xx_crtc_disable(struct intel_atomic_state *state,
 	if (DISPLAY_VER(dev_priv) != 2)
 		intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
 
-	if (!dev_priv->wm_disp.initial_watermarks)
+	if (!dev_priv->wm_disp->initial_watermarks)
 		intel_update_watermarks(dev_priv);
 
 	/* clock the pipe down to 640x480@60 to potentially save power */
@@ -11409,7 +11409,7 @@ static void sanitize_watermarks(struct drm_i915_private *dev_priv)
 	int i;
 
 	/* Only supported on platforms that use atomic watermark design */
-	if (!dev_priv->wm_disp.optimize_watermarks)
+	if (!dev_priv->wm_disp->optimize_watermarks)
 		return;
 
 	state = drm_atomic_state_alloc(&dev_priv->drm);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index fc7466bbc445..b9fa6bf4835d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -978,7 +978,7 @@ struct drm_i915_private {
 	const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
 
 	/* pm display functions */
-	struct drm_i915_wm_disp_funcs wm_disp;
+	const struct drm_i915_wm_disp_funcs *wm_disp;
 
 	/* irq display functions */
 	const struct intel_hotplug_funcs *hotplug_funcs;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0a5c1e3c798b..6f9e53a8dda2 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7977,6 +7977,51 @@ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
 	}
 }
 
+static const struct drm_i915_wm_disp_funcs skl_wm_funcs = {
+	.compute_global_watermarks = skl_compute_wm,
+};
+
+static const struct drm_i915_wm_disp_funcs ilk_wm_funcs = {
+	.compute_pipe_wm = ilk_compute_pipe_wm,
+	.compute_intermediate_wm = ilk_compute_intermediate_wm,
+	.initial_watermarks = ilk_initial_watermarks,
+	.optimize_watermarks = ilk_optimize_watermarks,
+};
+
+static const struct drm_i915_wm_disp_funcs vlv_wm_funcs = {
+	.compute_pipe_wm = vlv_compute_pipe_wm,
+	.compute_intermediate_wm = vlv_compute_intermediate_wm,
+	.initial_watermarks = vlv_initial_watermarks,
+	.optimize_watermarks = vlv_optimize_watermarks,
+	.atomic_update_watermarks = vlv_atomic_update_fifo,
+};
+
+static const struct drm_i915_wm_disp_funcs g4x_wm_funcs = {
+	.compute_pipe_wm = g4x_compute_pipe_wm,
+	.compute_intermediate_wm = g4x_compute_intermediate_wm,
+	.initial_watermarks = g4x_initial_watermarks,
+	.optimize_watermarks = g4x_optimize_watermarks,
+};
+
+static const struct drm_i915_wm_disp_funcs pnv_wm_funcs = {
+	.update_wm = pnv_update_wm,
+};
+
+static const struct drm_i915_wm_disp_funcs i965_wm_funcs = {
+	.update_wm = i965_update_wm,
+};
+
+static const struct drm_i915_wm_disp_funcs i9xx_wm_funcs = {
+	.update_wm = i9xx_update_wm,
+};
+
+static const struct drm_i915_wm_disp_funcs i845_wm_funcs = {
+	.update_wm = i845_update_wm,
+};
+
+static const struct drm_i915_wm_disp_funcs nop_funcs = {
+};
+
 /* Set up chip specific power management-related functions */
 void intel_init_pm(struct drm_i915_private *dev_priv)
 {
@@ -7992,7 +8037,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
 	/* For FIFO watermark updates */
 	if (DISPLAY_VER(dev_priv) >= 9) {
 		skl_setup_wm_latency(dev_priv);
-		dev_priv->wm_disp.compute_global_watermarks = skl_compute_wm;
+		dev_priv->wm_disp = &skl_wm_funcs;
 	} else if (HAS_PCH_SPLIT(dev_priv)) {
 		ilk_setup_wm_latency(dev_priv);
 
@@ -8000,31 +8045,19 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
 		     dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) ||
 		    (DISPLAY_VER(dev_priv) != 5 && dev_priv->wm.pri_latency[0] &&
 		     dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) {
-			dev_priv->wm_disp.compute_pipe_wm = ilk_compute_pipe_wm;
-			dev_priv->wm_disp.compute_intermediate_wm =
-				ilk_compute_intermediate_wm;
-			dev_priv->wm_disp.initial_watermarks =
-				ilk_initial_watermarks;
-			dev_priv->wm_disp.optimize_watermarks =
-				ilk_optimize_watermarks;
+			dev_priv->wm_disp = &ilk_wm_funcs;
 		} else {
 			drm_dbg_kms(&dev_priv->drm,
 				    "Failed to read display plane latency. "
 				    "Disable CxSR\n");
+			dev_priv->wm_disp = &nop_funcs;
 		}
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		vlv_setup_wm_latency(dev_priv);
-		dev_priv->wm_disp.compute_pipe_wm = vlv_compute_pipe_wm;
-		dev_priv->wm_disp.compute_intermediate_wm = vlv_compute_intermediate_wm;
-		dev_priv->wm_disp.initial_watermarks = vlv_initial_watermarks;
-		dev_priv->wm_disp.optimize_watermarks = vlv_optimize_watermarks;
-		dev_priv->wm_disp.atomic_update_watermarks = vlv_atomic_update_fifo;
+		dev_priv->wm_disp = &vlv_wm_funcs;
 	} else if (IS_G4X(dev_priv)) {
 		g4x_setup_wm_latency(dev_priv);
-		dev_priv->wm_disp.compute_pipe_wm = g4x_compute_pipe_wm;
-		dev_priv->wm_disp.compute_intermediate_wm = g4x_compute_intermediate_wm;
-		dev_priv->wm_disp.initial_watermarks = g4x_initial_watermarks;
-		dev_priv->wm_disp.optimize_watermarks = g4x_optimize_watermarks;
+		dev_priv->wm_disp = &g4x_wm_funcs;
 	} else if (IS_PINEVIEW(dev_priv)) {
 		if (!intel_get_cxsr_latency(!IS_MOBILE(dev_priv),
 					    dev_priv->is_ddr3,
@@ -8038,21 +8071,22 @@ void intel_init_pm(struct drm_i915_private *dev_priv)
 				 dev_priv->fsb_freq, dev_priv->mem_freq);
 			/* Disable CxSR and never update its watermark again */
 			intel_set_memory_cxsr(dev_priv, false);
-			dev_priv->wm_disp.update_wm = NULL;
+			dev_priv->wm_disp = &nop_funcs;
 		} else
-			dev_priv->wm_disp.update_wm = pnv_update_wm;
+			dev_priv->wm_disp = &pnv_wm_funcs;
 	} else if (DISPLAY_VER(dev_priv) == 4) {
-		dev_priv->wm_disp.update_wm = i965_update_wm;
+		dev_priv->wm_disp = &i965_wm_funcs;
 	} else if (DISPLAY_VER(dev_priv) == 3) {
-		dev_priv->wm_disp.update_wm = i9xx_update_wm;
+		dev_priv->wm_disp = &i9xx_wm_funcs;
 	} else if (DISPLAY_VER(dev_priv) == 2) {
 		if (INTEL_NUM_PIPES(dev_priv) == 1)
-			dev_priv->wm_disp.update_wm = i845_update_wm;
+			dev_priv->wm_disp = &i845_wm_funcs;
 		else
-			dev_priv->wm_disp.update_wm = i9xx_update_wm;
+			dev_priv->wm_disp = &i9xx_wm_funcs;
 	} else {
 		drm_err(&dev_priv->drm,
 			"unexpected fall-through in %s\n", __func__);
+		dev_priv->wm_disp = &nop_funcs;
 	}
 }
 
-- 
2.31.1


  parent reply	other threads:[~2021-09-09  1:54 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-09  1:52 [Intel-gfx] [PATCH 00/23] i915/display: split and constify vtable (v3) Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 01/23] drm/i915/pm: drop get_fifo_size vfunc Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 02/23] drm/i915: make update_wm take a dev_priv Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 03/23] drm/i915/wm: provide wrappers around watermark vfuncs calls Dave Airlie
2021-09-09  8:48   ` Jani Nikula
2021-09-09  1:53 ` [Intel-gfx] [PATCH 04/23] drm/i915: add wrappers around cdclk vtable funcs Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 05/23] drm/i915/display: add intel_fdi_link_train wrapper Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 06/23] drm/i915: split clock gating init from display vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 07/23] drm/i915: split watermark vfuncs " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 08/23] drm/i915: split color functions " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 09/23] drm/i915: split audio " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 10/23] drm/i915: split cdclk " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 11/23] drm/i915: split irq hotplug function " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 12/23] drm/i915: split fdi link training " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 13/23] drm/i915: split the dpll clock compute out " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 14/23] drm/i915: constify fdi link training vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 15/23] drm/i915: constify hotplug function vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 16/23] drm/i915: constify color " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 17/23] drm/i915: constify the audio " Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 18/23] drm/i915: constify the dpll clock vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 19/23] drm/i915: constify the cdclk vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 20/23] drm/i915: drop unused function ptr and comments Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 21/23] drm/i915: constify display function vtable Dave Airlie
2021-09-09  1:53 ` [Intel-gfx] [PATCH 22/23] drm/i915: constify clock gating init vtable Dave Airlie
2021-09-09  1:53 ` Dave Airlie [this message]
2021-09-09  2:07 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for i915/display: split and constify vtable (rev3) Patchwork
2021-09-09  2:13 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2021-09-09  2:28 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2021-09-09  7:17 ` [Intel-gfx] [PATCH 00/23] i915/display: split and constify vtable (v3) Saarinen, Jani
  -- strict thread matches above, loose matches on Subject: below --
2021-09-09  1:10 [Intel-gfx] [PATCH 00/23] i915/display: split and constify vtable (v2) Dave Airlie
2021-09-09  1:11 ` [Intel-gfx] [PATCH 23/23] drm/i915: constify display wm vtable Dave Airlie

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