diff options
| author | Ben Widawsky <benjamin.widawsky@intel.com> | 2013-11-02 21:07:40 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-11-08 18:09:55 +0100 |
| commit | 50ed5fbd9dcd6e8531cc34bb2a1e2c01ea00697d (patch) | |
| tree | bf46c3b4b591f1f39faf69f5478554f8000d5fd4 /drivers/gpu/drm/i915 | |
| parent | 6bbfa1c5b6851e6ed784a550992813950710ab3b (diff) | |
drm/i915/bdw: Implement WaSwitchSolVfFArbitrationPriority
GEN8 also needs this workaround.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Add a generic comment that we need to recheck all these w/a.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b9496abd76dc..b05f141a5a0e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5188,6 +5188,12 @@ static void gen8_init_clock_gating(struct drm_device *dev) I915_WRITE(WM3_LP_ILK, 0); I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); + + /* FIXME(BDW): Check all the w/a, some might only apply to + * pre-production hw. */ + + /* WaSwitchSolVfFArbitrationPriority */ + I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL); } static void haswell_init_clock_gating(struct drm_device *dev) |