[Intel-gfx] [PATCH 4/7] drm/i915/icl: Enable media sampler powergate

Mika Kuoppala mika.kuoppala at linux.intel.com
Tue Apr 9 16:13:07 UTC 2019


Enable media sampler powergate as recommended.

Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 5 +++--
 drivers/gpu/drm/i915/intel_pm.c | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9c206e803ab3..20f5850c52f8 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8687,8 +8687,9 @@ enum {
 #define GEN9_MEDIA_PG_IDLE_HYSTERESIS		_MMIO(0xA0C4)
 #define GEN9_RENDER_PG_IDLE_HYSTERESIS		_MMIO(0xA0C8)
 #define GEN9_PG_ENABLE				_MMIO(0xA210)
-#define GEN9_RENDER_PG_ENABLE			(1 << 0)
-#define GEN9_MEDIA_PG_ENABLE			(1 << 1)
+#define GEN9_RENDER_PG_ENABLE			BIT(0)
+#define GEN9_MEDIA_PG_ENABLE			BIT(1)
+#define GEN11_MEDIA_SAMPLER_PG_ENABLE		BIT(2)
 #define GEN8_PUSHBUS_CONTROL			_MMIO(0xA248)
 #define GEN8_PUSHBUS_ENABLE			_MMIO(0xA250)
 #define GEN8_PUSHBUS_SHIFT			_MMIO(0xA25C)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b9be9ea5fc18..47f98e064de5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7185,7 +7185,9 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv)
 	 * 3b: Enable Coarse Power Gating only when RC6 is enabled.
 	 */
 	I915_WRITE(GEN9_PG_ENABLE,
-		   GEN9_RENDER_PG_ENABLE | GEN9_MEDIA_PG_ENABLE);
+		   GEN9_RENDER_PG_ENABLE |
+		   GEN9_MEDIA_PG_ENABLE |
+		   GEN11_MEDIA_SAMPLER_PG_ENABLE);
 
 	intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
 }
-- 
2.17.1



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