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authorMatt Roper <matthew.d.roper@intel.com>2021-11-16 09:48:16 -0800
committerMatt Roper <matthew.d.roper@intel.com>2021-12-02 21:38:18 -0800
commit34734ab72763d51c6b809ee80ceb04a161a37dd1 (patch)
treeba7789129320109cd4492ea1ed52a91f4cea39a0 /drivers
parent96b1c450b386b34479c0d6c5e24ebee84261433a (diff)
downloadlinux-34734ab72763d51c6b809ee80ceb04a161a37dd1.tar.bz2
drm/i915/dg2: Add Wa_16011777198
Coarse power gating for render should not be enabled on some DG2 steppings. Bspec: 52698 Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211116174818.2128062-4-matthew.d.roper@intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_rc6.c15
1 files 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++)