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drm/radeon: expose render backend mask to the userspace

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This will allow userspace to correctly program the PA_SC_RASTER_CONFIG
register, so it can be considered a fix.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Marek Olšák
2013-12-22 02:18:01 +01:00
committed by Alex Deucher
parent 9fadb352ed
commit 439a1cfffe
5 changed files with 17 additions and 2 deletions
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2
include/uapi/drm/radeon_drm.h
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@@ -983,6 +983,8 @@ struct drm_radeon_cs {
#define RADEON_INFO_SI_CP_DMA_COMPUTE 0x17
/* CIK macrotile mode array */
#define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY 0x18
/* query the number of render backends */
#define RADEON_INFO_SI_BACKEND_ENABLED_MASK 0x19
struct drm_radeon_info {