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Commit 701e1e78 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: properly document reloc priority mask 



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

No intended functional change.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent c39502c5

drivers/gpu/drm/radeon/radeon_cs.c

+2 −1
Original line number Diff line number Diff line
@@ -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

		 * 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

		   VRAM, also but everything into VRAM on AGP cards to avoid

include/uapi/drm/radeon_drm.h

+1 −0
Original line number Diff line number Diff line
@@ -944,6 +944,7 @@ struct drm_radeon_cs_chunk { 
};



/* drm_radeon_cs_reloc.flags */

#define RADEON_RELOC_PRIO_MASK		(0xf << 0)



struct drm_radeon_cs_reloc {

	uint32_t		handle;