]> git.baikalelectronics.ru Git - kernel.git/commit
drm/amdgpu: reserve backup pages for bad page retirment
authorDennis Li <Dennis.Li@amd.com>
Mon, 22 Feb 2021 10:22:57 +0000 (18:22 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 26 Feb 2021 22:00:56 +0000 (17:00 -0500)
commit15c0abe37d1674c3cde8f06c7d26679e485acead
tree958d2078b6fc3da938eba6c81ae7b300b2a2e61e
parentace21eb4c897f410265430214fa2c9aac9c96ef2
drm/amdgpu: reserve backup pages for bad page retirment

To ensure user has a constant of VRAM accessible in run-time, driver
reserves limit backup pages when init, and return ones when bad pages
retired, to keep no change of unused memory size.

v2: refine codes to calculate badpags threshold

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c