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drm/amdgpu: add module parameters for ras 

Allow RAS feature enable/disable via boot parameter.

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
xinhui pan 2018-10-25 14:35:13 +08:00 committed by Alex Deucher
parent 9b9ca62dde
commit 1218252ff2
2 changed files with 19 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -157,6 +157,8 @@ extern int amdgpu_emu_mode;
extern uint amdgpu_smu_memory_pool_size;
extern uint amdgpu_dc_feature_mask;
extern struct amdgpu_mgpu_info mgpu_info;
extern int amdgpu_ras_enable;
extern uint amdgpu_ras_mask;
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;

17
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -137,6 +137,8 @@ uint amdgpu_dc_feature_mask = 0;
struct amdgpu_mgpu_info mgpu_info = {
.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
};
int amdgpu_ras_enable = -1;
uint amdgpu_ras_mask = 0xffffffff;
/**
* DOC: vramlimit (int)
@ -495,6 +497,21 @@ module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444);
MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)");
module_param_named(emu_mode, amdgpu_emu_mode, int, 0444);
/**
* DOC: amdgpu_ras_enable (int)
* Enable RAS features on the GPU (0 = disable, 1 = enable, -1 = auto (default))
*/
MODULE_PARM_DESC(amdgpu_ras_enable, "Enable RAS features on the GPU (0 = disable, 1 = enable, -1 = auto (default))");
module_param_named(ras_enable, amdgpu_ras_enable, int, 0444);
/**
* DOC: amdgpu_ras_mask (uint)
* Mask of RAS features to enable (default 0xffffffff), only valid when ras_enable == 1
* See the flags in drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
*/
MODULE_PARM_DESC(amdgpu_ras_mask, "Mask of RAS features to enable (default 0xffffffff), only valid when ras_enable == 1");
module_param_named(ras_mask, amdgpu_ras_mask, uint, 0444);
/**
* DOC: si_support (int)
* Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled,