Merge remote-tracking branch 'drm/drm-next'

[karo-tx-linux.git] / drivers / gpu / drm / i915 / intel_pm.c

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 008ec0bb017fb479c58dc4ae39ac920c351e1669..8f57394d6f996ae6a821cc8a4c8bf07a7496f388 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4860,7 +4860,9 @@ static void cpt_init_clock_gating(struct drm_device *dev)
         * gating for the panel power sequencer or it will fail to
         * start up when no ports are active.
         */
-       I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE);
+       I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE |
+                  PCH_DPLUNIT_CLOCK_GATE_DISABLE |
+                  PCH_CPUNIT_CLOCK_GATE_DISABLE);
        I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) |
                   DPLS_EDP_PPS_FIX_DIS);
        /* The below fixes the weird display corruption, a few pixels shifted
@@ -5054,6 +5056,11 @@ static void haswell_init_clock_gating(struct drm_device *dev)
        I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER,
                        GEN7_WA_L3_CHICKEN_MODE);
 
+       /* L3 caching of data atomics doesn't work -- disable it. */
+       I915_WRITE(HSW_SCRATCH1, HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE);
+       I915_WRITE(HSW_ROW_CHICKEN3,
+                  _MASKED_BIT_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE));
+
        /* This is required by WaCatErrorRejectionIssue:hsw */
        I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
                        I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |
@@ -5874,5 +5881,7 @@ void intel_pm_init(struct drm_device *dev)
 
        INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
                          intel_gen6_powersave_work);
+
+       INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work);
 }