On 28/09/2015 12:06, Imre Deak wrote:
On pe, 2015-09-25 at 14:33 +0100, Arun Siluvery wrote:It is also applicable for B0. Signed-off-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 9151a2b..be39f7ad 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -121,8 +121,10 @@ static void bxt_init_clock_gating(struct drm_device *dev) gen9_init_clock_gating(dev); /* WaDisableSDEUnitClockGating:bxt */ - I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | - GEN8_SDEUNIT_CLOCK_GATE_DISABLE); + if (INTEL_REVID(dev) >= BXT_REVID_A0) {This check looks redundant.
Yes, I am removing it in v2. regards Arun
+ I915_WRITE(GEN8_UCGCTL6, (I915_READ(GEN8_UCGCTL6) | + GEN8_SDEUNIT_CLOCK_GATE_DISABLE)); + } /* WaSetHDCunitClckGatingDisable:bxt */ /* WaSetHdcUnitClockGatingDisableInUcgctl6:bxt */
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