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| author | Sasa Dragic <sasa.dragic@gmail.com> | 2022-12-19 18:29:27 +0100 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-01-18 00:47:19 +0200 |
| commit | 0c8a6e9ea232c221976a0670256bd861408d9917 (patch) | |
| tree | 8bf54f83339144d4ff251dce88b4ac107ced83e3 /drivers/gpu/drm/i915 | |
| parent | b762787bf767e8bd09c525a178e2259a47f71342 (diff) | |
| download | linux-0c8a6e9ea232c221976a0670256bd861408d9917.tar.gz | |
drm/i915: re-disable RC6p on Sandy Bridge
RC6p on Sandy Bridge got re-enabled over time, causing visual glitches
and GPU hangs.
Disabled originally in commit 1c8ecf80fdee ("drm/i915: do not enable
RC6p on Sandy Bridge").
Signed-off-by: Sasa Dragic <sasa.dragic@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219172927.9603-2-sasa.dragic@gmail.com
Fixes: fb6db0f5bf1d ("drm/i915: Remove unsafe i915.enable_rc6")
Fixes: 13c5a577b342 ("drm/i915/gt: Select the deepest available parking mode for rc6")
Cc: stable@vger.kernel.org
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 46acbf390195..be700413199e 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -423,7 +423,8 @@ static const struct intel_device_info ilk_m_info = { .has_coherent_ggtt = true, \ .has_llc = 1, \ .has_rc6 = 1, \ - .has_rc6p = 1, \ + /* snb does support rc6p, but enabling it causes various issues */ \ + .has_rc6p = 0, \ .has_rps = true, \ .dma_mask_size = 40, \ .__runtime.ppgtt_type = INTEL_PPGTT_ALIASING, \ |