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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-19 11:39:27 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:31:01 -0400 |
| commit | bc01a8c7a24169f8b111b7dda6f5d8e7088309af (patch) | |
| tree | 022c589678297c15a2577693ee2cd798377419b8 /drivers/gpu/drm/radeon/cikd.h | |
| parent | 290d24576ccf1aa0373d2185cedfe262d0d4952a (diff) | |
| download | linux-bc01a8c7a24169f8b111b7dda6f5d8e7088309af.tar.bz2 | |
drm/radeon: update line buffer allocation for dce8
We need to allocate line buffer to each display when
setting up the watermarks. Failure to do so can lead
to a blank screen. This fixes blank screen problems
on dce8 asics.
Based on an initial fix from:
Jay Cornwall <jay.cornwall@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/cikd.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/cikd.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index 6a92f491cb91..203d2a09a1f5 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -393,6 +393,10 @@ #define DMIF_ADDR_CALC 0xC00 +#define PIPE0_DMIF_BUFFER_CONTROL 0x0ca0 +# define DMIF_BUFFERS_ALLOCATED(x) ((x) << 0) +# define DMIF_BUFFERS_ALLOCATED_COMPLETED (1 << 4) + #define SRBM_GFX_CNTL 0xE44 #define PIPEID(x) ((x) << 0) #define MEID(x) ((x) << 2) |