diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2019-12-31 11:07:13 -0800 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2019-12-31 18:46:38 -0800 |
| commit | 1cd21a7c5679015352e8a6f46813aced51d71bb8 (patch) | |
| tree | 36116f3173c8783dcd1f89fd72f52f4ccb79cae5 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 32f408ac3e5d95781f52328a09e5409b01255841 (diff) | |
drm/i915: Add Wa_1407352427:icl,ehl
The workaround database now indicates we need to disable psdunit clock
gating as well.
v3:
- Rebase on top of other workarounds that have landed.
- Restrict cc:stable tag to 5.2+ since that's when ICL was first
officially supported.
Bspec: 32354
Bspec: 33450
Bspec: 33451
Suggested-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: stable@vger.kernel.org # v5.2+
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231190713.1549533-1-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index c341556935cd..8ef41b8fc5c5 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6607,6 +6607,9 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv) intel_uncore_rmw(&dev_priv->uncore, UNSLICE_UNIT_LEVEL_CLKGATE, 0, VSUNIT_CLKGATE_DIS | HSUNIT_CLKGATE_DIS); + /* Wa_1407352427:icl,ehl */ + intel_uncore_rmw(&dev_priv->uncore, UNSLICE_UNIT_LEVEL_CLKGATE2, + 0, PSDUNIT_CLKGATE_DIS); } static void tgl_init_clock_gating(struct drm_i915_private *dev_priv) |