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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-12-14 23:38:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-27 20:46:29 -0800 |
| commit | b250e45d7e464c63428170f1b3d2e1e0bd7a6468 (patch) | |
| tree | 97c9b8d64099b1d3b44a9d73c2a962bbf03dd431 /drivers/gpu/drm/i915/intel_display.c | |
| parent | 231788ba2f713b751b8c46f6ac257b7811df7476 (diff) | |
| download | kernel_samsung_smdk4412-b250e45d7e464c63428170f1b3d2e1e0bd7a6468.zip kernel_samsung_smdk4412-b250e45d7e464c63428170f1b3d2e1e0bd7a6468.tar.gz kernel_samsung_smdk4412-b250e45d7e464c63428170f1b3d2e1e0bd7a6468.tar.bz2 | |
drm/i915: Implement WaDisableHiZPlanesWhenMSAAEnabled
commit 4283908ef7f11a72c3b80dd4cf026f1a86429f82 upstream.
Quoting from Bspec, 3D_CHICKEN1, bit 10
This bit needs to be set always to "1", Project: DevSNB "
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Abdallah Chatila <abdallah.chatila@ericsson.com>
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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d1dca92..b4f4d12 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7412,6 +7412,10 @@ static void gen6_init_clock_gating(struct drm_device *dev) I915_READ(ILK_DISPLAY_CHICKEN2) | ILK_ELPIN_409_SELECT); + /* WaDisableHiZPlanesWhenMSAAEnabled */ + I915_WRITE(_3D_CHICKEN, + _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB)); + I915_WRITE(WM3_LP_ILK, 0); I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); |