summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/atom.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2009-11-16 23:29:46 +0300
committerDave Airlie <airlied@redhat.com>2009-12-08 00:33:04 +0300
commitd904ef9b00a4473af16766e99f17bdbb5f0fde65 (patch)
treee9b5263b223cf5d20f189aad922f79c1ccbfd9c2 /drivers/gpu/drm/radeon/atom.h
parentf84676185368e36c6bc0eeab87ab73ed39042648 (diff)
downloadlinux-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.h2
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"