diff options
author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2012-10-25 15:15:43 -0400 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-11 17:51:35 -0500 |
commit | 5c9664d75a65adcdb9763a6df1da1d8d3f417c0c (patch) | |
tree | 21e074052da5d6f80ab25993a3c83e6fdbb489d2 /drivers | |
parent | 8ab4397640de51f4a93845b09270ad717244ccb3 (diff) |
drm/i915: implement WaForceL3Serialization on VLV and IVB
References: https://bugs.freedesktop.org/show_bug.cgi?id=50250
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index aef23641fbcc..871bfe49b913 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c | |||
@@ -3695,6 +3695,10 @@ static void valleyview_init_clock_gating(struct drm_device *dev) | |||
3695 | I915_WRITE(GEN7_ROW_CHICKEN2, | 3695 | I915_WRITE(GEN7_ROW_CHICKEN2, |
3696 | _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE)); | 3696 | _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE)); |
3697 | 3697 | ||
3698 | /* WaForceL3Serialization */ | ||
3699 | I915_WRITE(GEN7_L3SQCREG4, I915_READ(GEN7_L3SQCREG4) & | ||
3700 | ~L3SQ_URB_READ_CAM_MATCH_DISABLE); | ||
3701 | |||
3698 | /* This is required by WaCatErrorRejectionIssue */ | 3702 | /* This is required by WaCatErrorRejectionIssue */ |
3699 | I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, | 3703 | I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, |
3700 | I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | | 3704 | I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | |