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drm/amdgpu: Add vis_vramlimit module parameter

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Allow specifying a limit on visible VRAM via a module parameter. This is
helpful for testing performance under visible VRAM pressure.

v2: Add cast to 64-bit (Christian König)

Signed-off-by: John Brooks <john@fastquake.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Brooks
2017-06-27 22:33:17 -04:00
committed by Alex Deucher
parent f9321cc440
commit 218b5dcde4
3 changed files with 13 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -75,6 +75,7 @@
*/
extern int amdgpu_modeset;
extern int amdgpu_vram_limit;
extern int amdgpu_vis_vram_limit;
extern unsigned amdgpu_gart_size;
extern int amdgpu_gtt_size;
extern int amdgpu_moverate;