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drm/i915/cnp: Document WaSouthDisplayDisablePWMCGEGating

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No functional change since WA is already applied.
But since it has different names on different databases,
let's document it here to avoid future confusion.

Cc: Radhakrishna Sripada <radhakrishna.sripada@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/20180306012812.19779-1-rodrigo.vivi@intel.com
This commit is contained in:
Rodrigo Vivi 2018-03-05 17:28:12 -08:00
parent 14941b6e86
commit 470e7c6189
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -8492,7 +8492,7 @@ static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
if (!HAS_PCH_CNP(dev_priv))
return;
/* Display WA #1181: cnp */
/* Display WA #1181 WaSouthDisplayDisablePWMCGEGating: cnp */
I915_WRITE(SOUTH_DSPCLK_GATE_D, I915_READ(SOUTH_DSPCLK_GATE_D) |
CNP_PWM_CGE_GATING_DISABLE);
}