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drm/amdgpu: Limit vm max ctx number to 4096

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driver need to reserve resource for each ctx for
some hw features. so add this limitation.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu
2018-10-24 16:10:33 +08:00
committed by Alex Deucher
parent 31edd7c0a8
commit 08d1bdd4cc
2 changed files with 2 additions and 1 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -164,6 +164,7 @@ extern int amdgpu_si_support;
extern int amdgpu_cik_support;
#endif
#define AMDGPU_VM_MAX_NUM_CTX 4096
#define AMDGPU_SG_THRESHOLD (256*1024*1024)
#define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000