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drm/i915/bxt: apply clock gating workaround to all revisions

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No need to cater for old A revisions.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487172099-24873-2-git-send-email-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2017-02-15 17:21:37 +02:00
parent 06a20d2d2d
commit 8aeaf64c96
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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@ -99,9 +99,8 @@ static void bxt_init_clock_gating(struct drm_i915_private *dev_priv)
* Wa: Backlight PWM may stop in the asserted state, causing backlight
* to stay fully on.
*/
if (IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER))
I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) |
PWM1_GATING_DIS | PWM2_GATING_DIS);
I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) |
PWM1_GATING_DIS | PWM2_GATING_DIS);
}
static void glk_init_clock_gating(struct drm_i915_private *dev_priv)