[Intel-gfx] [PATCH v3 18/22] drm/i915/skl: Move GT and Display workarounds from init_clock_gating

Oscar Mateo oscar.mateo at intel.com
Fri Oct 13 20:54:12 UTC 2017


To their rightful place inside intel_workarounds.c

Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c          | 15 +--------------
 drivers/gpu/drm/i915/intel_workarounds.c |  6 ++++++
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 85e3424..e1b00c9 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -8404,17 +8404,6 @@ static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv,
 	I915_WRITE(GEN7_MISCCPCTL, misccpctl);
 }
 
-static void skl_init_clock_gating(struct drm_i915_private *dev_priv)
-{
-	/* WAC6entrylatency:skl */
-	I915_WRITE(FBC_LLC_READ_CTRL, I915_READ(FBC_LLC_READ_CTRL) |
-		   FBC_LLC_FULLY_OPEN);
-
-	/* WaFbcNukeOnHostModify:skl */
-	I915_WRITE(ILK_DPFC_CHICKEN, I915_READ(ILK_DPFC_CHICKEN) |
-		   ILK_DPFC_NUKE_ON_ANY_MODIFICATION);
-}
-
 static void bdw_init_clock_gating(struct drm_i915_private *dev_priv)
 {
 	/* The GTT cache must be disabled if the system is using 2M pages. */
@@ -8865,10 +8854,8 @@ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
 {
 	if (IS_CANNONLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
 	    IS_GEMINILAKE(dev_priv) || IS_KABYLAKE(dev_priv) ||
-	    IS_BROXTON(dev_priv))
+	    IS_BROXTON(dev_priv) || IS_SKYLAKE(dev_priv))
 		dev_priv->display.init_clock_gating = nop_init_clock_gating;
-	else if (IS_SKYLAKE(dev_priv))
-		dev_priv->display.init_clock_gating = skl_init_clock_gating;
 	else if (IS_BROADWELL(dev_priv))
 		dev_priv->display.init_clock_gating = bdw_init_clock_gating;
 	else if (IS_CHERRYVIEW(dev_priv))
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 0ef2f46..f48c10e 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -871,6 +871,12 @@ static int skl_display_workarounds_init(struct drm_i915_private *dev_priv)
 	/* WaDisableDopClockGating */
 	DISPLAY_WA_CLR_BIT(GEN7_MISCCPCTL, GEN7_DOP_CLOCK_GATE_ENABLE);
 
+	/* WAC6entrylatency:skl */
+	DISPLAY_WA_SET_BIT(FBC_LLC_READ_CTRL, FBC_LLC_FULLY_OPEN);
+
+	/* WaFbcNukeOnHostModify:skl */
+	DISPLAY_WA_SET_BIT(ILK_DPFC_CHICKEN, ILK_DPFC_NUKE_ON_ANY_MODIFICATION);
+
 	return 0;
 }
 
-- 
1.9.1



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