Message ID | 1427787445-20244-6-git-send-email-ville.syrjala@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Task id: 6096
-------------------------------------Summary-------------------------------------
Platform Delta drm-intel-nightly Series Applied
PNV 276/276 276/276
ILK 303/303 303/303
SNB 304/304 304/304
IVB 338/338 338/338
BYT 287/287 287/287
HSW 361/361 361/361
BDW 309/309 309/309
-------------------------------------Detailed-------------------------------------
Platform Test drm-intel-nightly Series Applied
Note: You need to pay more attention to line start with '*'
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b522eb6..45308c7 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1498,6 +1498,7 @@ enum skl_disp_power_wells { #define MI_ARB_DISPLAY_PRIORITY_B_A (1 << 0) /* display B > display A */ #define MI_STATE 0x020e4 /* gen2 only */ +#define MI_SR_EN (3 << 3) /* 85x only */ #define MI_AGPBUSY_INT_EN (1 << 1) /* 85x only */ #define MI_AGPBUSY_830_MODE (1 << 0) /* 85x only */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fa4ccb3..d23fb82 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -327,6 +327,10 @@ void intel_set_memory_cxsr(struct drm_i915_private *dev_priv, bool enable) val = enable ? _MASKED_BIT_ENABLE(INSTPM_SELF_EN) : _MASKED_BIT_DISABLE(INSTPM_SELF_EN); I915_WRITE(INSTPM, val); + } else if (IS_I85X(dev)) { + val = enable ? _MASKED_BIT_ENABLE(MI_SR_EN) : + _MASKED_BIT_DISABLE(MI_SR_EN); + I915_WRITE(MI_STATE, val); } else { return; }