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| author | Dave Airlie <airlied@redhat.com> | 2009-11-16 23:29:46 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-08 00:33:04 +0300 |
| commit | d904ef9b00a4473af16766e99f17bdbb5f0fde65 (patch) | |
| tree | e9b5263b223cf5d20f189aad922f79c1ccbfd9c2 /drivers/gpu/drm/radeon/atom.h | |
| parent | f84676185368e36c6bc0eeab87ab73ed39042648 (diff) | |
| download | linux-d904ef9b00a4473af16766e99f17bdbb5f0fde65.tar.xz | |
drm/radeon/kms: add support to atom parser for FB read/write
FB read/write really doesn't need to access the actual VRAM, we
can just use a scratch area. This is required for using atom displayport
calls later.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atom.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h index e6eb38f2bcae..6671848e5ea1 100644 --- a/drivers/gpu/drm/radeon/atom.h +++ b/drivers/gpu/drm/radeon/atom.h @@ -132,6 +132,7 @@ struct atom_context { uint8_t shift; int cs_equal, cs_above; int io_mode; + uint32_t *scratch; }; extern int atom_debug; @@ -142,6 +143,7 @@ int atom_asic_init(struct atom_context *); void atom_destroy(struct atom_context *); void atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start); void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *frev, uint8_t *crev); +int atom_allocate_fb_scratch(struct atom_context *ctx); #include "atom-types.h" #include "atombios.h" #include "ObjectID.h" |