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| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-11-20 16:27:44 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-21 17:47:11 +0100 |
| commit | b3bf076697a68a8577f4a5f7407de0bb2b3b56ac (patch) | |
| tree | d370c921b4caaa4a0bc748598d1921b2c902613f | |
| parent | drm/i915: fix intel_ddi_get_cdclk_freq for ULT machines (diff) | |
| download | linux-b3bf076697a68a8577f4a5f7407de0bb2b3b56ac.tar.xz linux-b3bf076697a68a8577f4a5f7407de0bb2b3b56ac.zip | |
drm/i915: implement WaMbcDriverBootEnable on Haswell
Also document the WA name for the previous gens that implement it.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 647dfcc26c4e..58c2f210154a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3519,6 +3519,7 @@ static void gen6_init_clock_gating(struct drm_device *dev) ILK_DPARBUNIT_CLOCK_GATE_ENABLE | ILK_DPFDUNIT_CLOCK_GATE_ENABLE); + /* WaMbcDriverBootEnable */ I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | GEN6_MBCTL_ENABLE_BOOT_FETCH); @@ -3605,6 +3606,10 @@ static void haswell_init_clock_gating(struct drm_device *dev) I915_WRITE(CACHE_MODE_1, _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE)); + /* WaMbcDriverBootEnable */ + I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | + GEN6_MBCTL_ENABLE_BOOT_FETCH); + /* XXX: This is a workaround for early silicon revisions and should be * removed later. */ @@ -3696,6 +3701,7 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) intel_flush_display_plane(dev_priv, pipe); } + /* WaMbcDriverBootEnable */ I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | GEN6_MBCTL_ENABLE_BOOT_FETCH); @@ -3761,6 +3767,7 @@ static void valleyview_init_clock_gating(struct drm_device *dev) I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB); + /* WaMbcDriverBootEnable */ I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | GEN6_MBCTL_ENABLE_BOOT_FETCH); |