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| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-11-20 15:27:41 (GMT) |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-21 16:47:09 (GMT) |
| commit | 13888d78c664a1f61d7b09d282f5916993827a40 (patch) | |
| tree | 6b7ebbf9c96af358bdfcf72f4a51673f8635311b | |
| parent | 79935fca3f1259e0a6fe203b55008f84ab8f3087 (diff) | |
| download | linux-fsl-qoriq-13888d78c664a1f61d7b09d282f5916993827a40.tar.xz | |
drm/i915: make the panel fitter work on pipes B and C on IVB
I actually found this problem on Haswell, but then discovered Ivy
Bridge also has it by reading the spec.
I don't have the hardware to test this.
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5aba146..97fbd9d 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3339,6 +3339,8 @@ #define _PFA_CTL_1 0x68080 #define _PFB_CTL_1 0x68880 #define PF_ENABLE (1<<31) +#define PF_PIPE_SEL_MASK_IVB (3<<29) +#define PF_PIPE_SEL_IVB(pipe) ((pipe)<<29) #define PF_FILTER_MASK (3<<23) #define PF_FILTER_PROGRAMMED (0<<23) #define PF_FILTER_MED_3x3 (1<<23) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e233541..c2ef6cd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3387,7 +3387,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) * as some pre-programmed values are broken, * e.g. x201. */ - I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); + if (IS_IVYBRIDGE(dev)) + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | + PF_PIPE_SEL_IVB(pipe)); + else + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); } |