diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-02-22 12:05:35 -0800 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-02-27 15:54:30 -0800 |
| commit | d66047e4a582103d4c6a884692f402b905032f26 (patch) | |
| tree | 89833a5f480102076e7b52770a5846da07313687 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | c4932d7956d8226e20c0c44b04fe9a2cbfcd8f51 (diff) | |
| download | lwn-d66047e4a582103d4c6a884692f402b905032f26.tar.gz lwn-d66047e4a582103d4c6a884692f402b905032f26.zip | |
drm/i915/cnl: Add WaRsDisableCoarsePowerGating
Old Wa added now forever on CNL all steppings.
With CPU P states enabled along with RC6, dispatcher
hangs can happen.
Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180222200535.9290-1-rodrigo.vivi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 21dac6ebc202..3c1499687d13 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6715,7 +6715,7 @@ static void gen9_enable_rc6(struct drm_i915_private *dev_priv) /* * 3b: Enable Coarse Power Gating only when RC6 is enabled. - * WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6. + * WaRsDisableCoarsePowerGating:skl,cnl - Render/Media PG need to be disabled with RC6. */ if (NEEDS_WaRsDisableCoarsePowerGating(dev_priv)) I915_WRITE(GEN9_PG_ENABLE, 0); |