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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-11-20 13:27:41 -0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 08:46:10 -0800
commitc49060cc36e8238d9b923e7523ff66195aba10f9 (patch)
treee9cf13f5bd46d6be231f0c8d93d1230581ae8f72 /drivers/gpu/drm/i915/intel_display.c
parentcfdfb8f24b5bb75866fe4735b565a7a8d49e5c6c (diff)
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/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b426d44a2b05..71f9b5de0417 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3225,7 +3225,11 @@ 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);
}