Commit 896a664c authored Oct 17, 2017 by Monk Liu Committed by Alex Deucher Oct 19, 2017

drm/amdgpu:reduce wb to 512 slot



with current WB usage we only use 57 slots, so 512
is extreamly sufficient, and reduce to 512 can
make WB fit into one page.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 6e13bdf6

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1151,7 +1151,7 @@ static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
		/*
		* Writeback
		*/
		#define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
		#define AMDGPU_MAX_WB 512 /* Reserve at most 512 WB slots for amdgpu-owned rings. */

		struct amdgpu_wb {
		struct amdgpu_bo *wb_obj;