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| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-12-20 00:00:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-09 15:30:01 +0300 |
| commit | 3f1f094e0f5feef50d15f029cb97c425cf897f1f (patch) | |
| tree | ad869aa00a39952ad8d39ecc905c0514014704fa | |
| parent | 78a110332ae268d0b005247c3b9a7d703b875c49 (diff) | |
| download | linux-3f1f094e0f5feef50d15f029cb97c425cf897f1f.tar.xz | |
drm/i915/dg1: Fix power gate sequence.
[ Upstream commit 20e7c5313ffbf11c34a46395345677adbe890bee ]
sub-pipe PG is not present on DG1. Setting these bits can disable
other power gates and cause GPU hangs on video playbacks.
VLK: 16314, 4304
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13381
Fixes: 85a12d7eb8fe ("drm/i915/tgl: Fix Media power gate sequence.")
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241219210019.70532-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit de7061947b4ed4be857d452c60d5fb795831d79e)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_rc6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c index f8d0523f4c18..d1dcb018117d 100644 --- a/drivers/gpu/drm/i915/gt/intel_rc6.c +++ b/drivers/gpu/drm/i915/gt/intel_rc6.c @@ -134,7 +134,7 @@ static void gen11_rc6_enable(struct intel_rc6 *rc6) GEN9_MEDIA_PG_ENABLE | GEN11_MEDIA_SAMPLER_PG_ENABLE; - if (GRAPHICS_VER(gt->i915) >= 12) { + if (GRAPHICS_VER(gt->i915) >= 12 && !IS_DG1(gt->i915)) { for (i = 0; i < I915_MAX_VCS; i++) if (HAS_ENGINE(gt, _VCS(i))) pg_enable |= (VDN_HCP_POWERGATE_ENABLE(i) | |