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drm/i915: Support 30 bit depth modes 

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kristian Høgsberg 2009-10-19 14:35:30 -04:00 committed by Eric Anholt
parent f3cd474bb2
commit a4f45cf178
2 changed files with 5 additions and 1 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1915,6 +1915,7 @@
#define DISPPLANE_16BPP (0x5<<26)
#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26)
#define DISPPLANE_32BPP (0x7<<26)
#define DISPPLANE_32BPP_30BIT_NO_ALPHA (0xa<<26)
#define DISPPLANE_STEREO_ENABLE (1<<25)
#define DISPPLANE_STEREO_DISABLE 0
#define DISPPLANE_SEL_PIPE_MASK (1<<24)

5
drivers/gpu/drm/i915/intel_display.c
View File

@ -1289,7 +1289,10 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
break;
case 24:
case 32:
dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
if (crtc->fb->depth == 30)
dspcntr |= DISPPLANE_32BPP_30BIT_NO_ALPHA;
else
dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
break;
default:
DRM_ERROR("Unknown color depth\n");