android/android_kernel_asus_sm8350
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drm/radeon: properly document reloc priority mask

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Instead of hard coding the value properly document
that this is an userspace interface.

No intended functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Christian König 2014-08-15 11:52:53 +02:00 committed by Alex Deucher
parent c39502c550
commit 701e1e7891
2 changed files with 3 additions and 1 deletions
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3
drivers/gpu/drm/radeon/radeon_cs.c
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@ -132,7 +132,8 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
* the buffers used for read only, which doubles the range * the buffers used for read only, which doubles the range
* to 0 to 31. 32 is reserved for the kernel driver. * to 0 to 31. 32 is reserved for the kernel driver.
*/ */
priority = (r->flags & 0xf) * 2 + !!r->write_domain; priority = (r->flags & RADEON_RELOC_PRIO_MASK) * 2
+ !!r->write_domain;
/* the first reloc of an UVD job is the msg and that must be in /* the first reloc of an UVD job is the msg and that must be in
VRAM, also but everything into VRAM on AGP cards to avoid VRAM, also but everything into VRAM on AGP cards to avoid

1
include/uapi/drm/radeon_drm.h
View File

@ -944,6 +944,7 @@ struct drm_radeon_cs_chunk {
}; };
/* drm_radeon_cs_reloc.flags */ /* drm_radeon_cs_reloc.flags */
#define RADEON_RELOC_PRIO_MASK (0xf << 0)
struct drm_radeon_cs_reloc { struct drm_radeon_cs_reloc {
uint32_t handle; uint32_t handle;