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drm/radeon/kms: add info query for max pipes

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The maximum number of pipes is needed by the user space compute
driver to calculate the number of wavefronts per thread group.

Signed-off-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Tom Stellard
2012-03-20 17:17:55 -04:00
committed by Dave Airlie
parent da0df92b57
commit 609c1e15a4
3 changed files with 17 additions and 1 deletions
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include/drm/radeon_drm.h
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@@ -962,6 +962,8 @@ struct drm_radeon_cs {
#define RADEON_INFO_VA_START 0x0e
/* maximum size of ib using the virtual memory cs */
#define RADEON_INFO_IB_VM_MAX_SIZE 0x0f
/* max pipes - needed for compute shaders */
#define RADEON_INFO_MAX_PIPES 0x10
struct drm_radeon_info {
uint32_t request;