From: Rodrigo Vivi Date: Tue, 6 Mar 2018 01:28:12 +0000 (-0800) Subject: drm/i915/cnp: Document WaSouthDisplayDisablePWMCGEGating X-Git-Tag: for-linus-20180413~101^2~14^2~23 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=470e7c6189dbce4c0d1beb8cce7e38a9bd5f5144;p=linux-block.git drm/i915/cnp: Document WaSouthDisplayDisablePWMCGEGating 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 Signed-off-by: Rodrigo Vivi Reviewed-by: Radhakrishna Sripada Link: https://patchwork.freedesktop.org/patch/msgid/20180306012812.19779-1-rodrigo.vivi@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 1ed1abb5b6a0..6cab20ce167a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -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); }