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authorDave Airlie <airlied@redhat.com>2017-10-19 15:00:47 +1000
committerDave Airlie <airlied@redhat.com>2017-10-19 15:00:47 +1000
commit2cb3a34abd035756f9ba3cde12f44f4b3e4c234b (patch)
tree21b7993b75c0fc4a0ad535c1d347c0748097265f /drivers/gpu/drm/i915/intel_pm.c
parent3eea56cc5ab6992f4e1265b61e191a85fd183a08 (diff)
parentdd00ed9eff1e1819922f91da965f0e57e6a94216 (diff)
Merge tag 'drm-intel-fixes-2017-10-18-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Fix for stable: - Fix DDI translation tables for BDW (Chris). Critical fix: - Fix GPU Hang on GVT (Changbin). Other fixes: - Fix eviction when GGTT is idle (Chris). - CNL PLL fixes (Rodrigo). - Fix pwrite into shmemfs (Chris). - Mask bits for BXT and CHV L3 Workaround WaProgramL3SqcReg1Default (Oscar). * tag 'drm-intel-fixes-2017-10-18-1' of git://anongit.freedesktop.org/drm/drm-intel: drm/i915: Use a mask when applying WaProgramL3SqcReg1Default drm/i915: Report -EFAULT before pwrite fast path into shmemfs drm/i915/cnl: Fix PLL initialization for HDMI. drm/i915/cnl: Fix PLL mapping. drm/i915: Use bdw_ddi_translations_fdi for Broadwell drm/i915: Fix eviction when the GGTT is idle but full drm/i915/gvt: Fix GPU hang after reusing vGPU instance across different guest OS
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ed662937ec3c..0a09f8ff6aff 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -8245,14 +8245,17 @@ static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv,
int high_prio_credits)
{
u32 misccpctl;
+ u32 val;
/* WaTempDisableDOPClkGating:bdw */
misccpctl = I915_READ(GEN7_MISCCPCTL);
I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE);
- I915_WRITE(GEN8_L3SQCREG1,
- L3_GENERAL_PRIO_CREDITS(general_prio_credits) |
- L3_HIGH_PRIO_CREDITS(high_prio_credits));
+ val = I915_READ(GEN8_L3SQCREG1);
+ val &= ~L3_PRIO_CREDITS_MASK;
+ val |= L3_GENERAL_PRIO_CREDITS(general_prio_credits);
+ val |= L3_HIGH_PRIO_CREDITS(high_prio_credits);
+ I915_WRITE(GEN8_L3SQCREG1, val);
/*
* Wait at least 100 clocks before re-enabling clock gating.