Re: [Intel-gfx] [PATCH v3 3/5] drm/i915/dg2: Add Wa_16011777198

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Correct,

Reviewed-by: Clint Taylor <Clinton.A.Taylor@xxxxxxxxx>

-Clint



On 11/16/21 9:48 AM, Matt Roper wrote:
Coarse power gating for render should not be enabled on some DG2
steppings.

Bspec: 52698
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
  drivers/gpu/drm/i915/gt/intel_rc6.c | 15 +++++++++++----
  1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
index 43093dd2d0c9..c3155ee58689 100644
--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
@@ -117,10 +117,17 @@ static void gen11_rc6_enable(struct intel_rc6 *rc6)
  			GEN6_RC_CTL_RC6_ENABLE |
  			GEN6_RC_CTL_EI_MODE(1);
- pg_enable =
-		GEN9_RENDER_PG_ENABLE |
-		GEN9_MEDIA_PG_ENABLE |
-		GEN11_MEDIA_SAMPLER_PG_ENABLE;
+	/* Wa_16011777198 - Render powergating must remain disabled */
+	if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_C0) ||
+	    IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0))
+		pg_enable =
+			GEN9_MEDIA_PG_ENABLE |
+			GEN11_MEDIA_SAMPLER_PG_ENABLE;
+	else
+		pg_enable =
+			GEN9_RENDER_PG_ENABLE |
+			GEN9_MEDIA_PG_ENABLE |
+			GEN11_MEDIA_SAMPLER_PG_ENABLE;
if (GRAPHICS_VER(gt->i915) >= 12) {
  		for (i = 0; i < I915_MAX_VCS; i++)



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux