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Revert "drm/i915/dg2: extend Wa_1409120013 to DG2"

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This reverts commit 487970e8bb.

Updated bspec and workaround database note Wa_1409120013 is not needed
for DG2 (or any Xe_LPD) platform. Simply check by display version 12.

v2: Simplify condition check to display version (Matt Roper)

Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907232541.1720966-1-lucas.demarchi@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Lucas De Marchi
2022-09-07 16:25:42 -07:00
committed by Joonas Lahtinen
parent 31335aa8e0
commit 68d46e5209
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/i915/intel_pm.c
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@@ -7466,9 +7466,8 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv)
{
/* Wa_1409120013:tgl,rkl,adl-s,dg1,dg2 */
if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv) ||
IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv) || IS_DG2(dev_priv))
/* Wa_1409120013 */
if (DISPLAY_VER(dev_priv) == 12)
intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN(INTEL_FBC_A),
DPFC_CHICKEN_COMP_DUMMY_PIXEL);