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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>
This commit is contained in:
Monk Liu 2017-10-17 19:23:42 +08:00 committed by Alex Deucher
parent 6e13bdf6b2
commit 896a664c96
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -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;