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| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-11-20 13:27:41 -0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:43:55 -0800 |
| commit | f03ef102300ce1ac5744f2cee8e48825d6350222 (patch) | |
| tree | c08c100ff69de092ac8421fa4035556fb9365417 /drivers/gpu/drm | |
| parent | 03bdf8eeff05f6f0a31b7ef387809171722aec8c (diff) | |
| download | kernel_samsung_smdk4412-f03ef102300ce1ac5744f2cee8e48825d6350222.zip kernel_samsung_smdk4412-f03ef102300ce1ac5744f2cee8e48825d6350222.tar.gz kernel_samsung_smdk4412-f03ef102300ce1ac5744f2cee8e48825d6350222.tar.bz2 | |
drm/i915: make the panel fitter work on pipes B and C on IVB
commit 13888d78c664a1f61d7b09d282f5916993827a40 upstream.
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.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
| -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 557e007..8fa4f7b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2754,6 +2754,8 @@ #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 36d76989..d1dca92 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2696,7 +2696,11 @@ 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); } |