diff options
| author | Matt Atwood <matthew.s.atwood@intel.com> | 2020-01-13 23:11:28 -0500 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2020-01-16 09:33:41 -0800 |
| commit | 6f4194c8771f5182017be011e0a0fc1c053b18eb (patch) | |
| tree | 4016ea9cd6f2e850bc3818a64d0578548bc3d1a1 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 9c92aa483a3c0b70c5a6d6deeb7c539696c90cec (diff) | |
drm/i915: add Wa_14010594013: icl,ehl
The bspec tells us we need to set this bit to avoid potential underruns.
v2: use new register write convention (Anshuman) add bspec 7386 ref.
Bspec: 7386
Bspec: 33450
Bspec: 33451
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200114041128.11211-1-matthew.s.atwood@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 8e5f08c58b0c..81e5a3278fda 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6643,6 +6643,10 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv) /* Wa_1407352427:icl,ehl */ intel_uncore_rmw(&dev_priv->uncore, UNSLICE_UNIT_LEVEL_CLKGATE2, 0, PSDUNIT_CLKGATE_DIS); + + /*Wa_14010594013:icl, ehl */ + intel_uncore_rmw(&dev_priv->uncore, GEN8_CHICKEN_DCPR_1, + 0, CNL_DELAY_PMRSP); } static void tgl_init_clock_gating(struct drm_i915_private *dev_priv) |