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authorKristian Høgsberg <krh@bitplanet.net>2009-10-19 14:35:30 -0400
committerEric Anholt <eric@anholt.net>2009-11-05 14:47:13 -0800
commita4f45cf178f0d0ad4e516e020818b5f1c00e3d63 (patch)
treeab135d480b0f9d8b3e9c4b94216c647a840c30e0
parentf3cd474bb235f2331c1a6f579bdbf892386e5c7c (diff)
drm/i915: Support 30 bit depth modes
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
-rw-r--r--drivers/gpu/drm/i915/intel_display.c5
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d1be1849580..e8c6d00cde9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -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)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8df81401c14..e4221b8844c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -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");