diff options
| author | Dennis Li <Dennis.Li@amd.com> | 2021-02-22 18:22:57 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-26 17:00:56 -0500 |
| commit | f89b881c81d9a6481fc17b46b351ca38f5dd6f3a (patch) | |
| tree | 958d2078b6fc3da938eba6c81ae7b300b2a2e61e /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | 6c65a582ee7616ee6b86eb954b0daac959dc5cc3 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4575192d9b08..4557f47f13a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -171,7 +171,7 @@ struct amdgpu_mgpu_info mgpu_info = { }; int amdgpu_ras_enable = -1; uint amdgpu_ras_mask = 0xffffffff; -int amdgpu_bad_page_threshold = -1; +int amdgpu_bad_page_threshold = 100; /** * DOC: vramlimit (int) @@ -805,7 +805,7 @@ module_param_named(reset_method, amdgpu_reset_method, int, 0444); * faulty pages by ECC exceed threshold value and leave it for user's further * check. */ -MODULE_PARM_DESC(bad_page_threshold, "Bad page threshold(-1 = auto(default value), 0 = disable bad page retirement)"); +MODULE_PARM_DESC(bad_page_threshold, "Bad page threshold(-1 = auto, 0 = disable bad page retirement, 100 = default value"); module_param_named(bad_page_threshold, amdgpu_bad_page_threshold, int, 0444); MODULE_PARM_DESC(num_kcq, "number of kernel compute queue user want to setup (8 if set to greater than 8 or less than 0, only affect gfx 8+)"); |