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drm/amdgpu: add module parameter choose runtime method

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Default runtime logic not changed.
Provide an alternative runtime method. (set 1 to use BACO; 2 to use BAMACO)
When set reset_method to 4, it will use BACO or BAMACO for gpu reset,
according to runpm value.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao
2020-11-20 15:54:00 +08:00
committed by Alex Deucher
parent ddc3344f16
commit 2261229cef
2 changed files with 31 additions and 9 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -304,7 +304,7 @@ module_param_named(aspm, amdgpu_aspm, int, 0444);
* Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down
* the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality.
*/
MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
MODULE_PARM_DESC(runpm, "PX runtime pm (2 = force enable with BAMACO, 1 = force enable with BACO, 0 = disable, -1 = PX only default)");
module_param_named(runpm, amdgpu_runtime_pm, int, 0444);
/**
@@ -790,7 +790,7 @@ module_param_named(tmz, amdgpu_tmz, int, 0444);
* DOC: reset_method (int)
* GPU reset method (-1 = auto (default), 0 = legacy, 1 = mode0, 2 = mode1, 3 = mode2, 4 = baco)
*/
MODULE_PARM_DESC(reset_method, "GPU reset method (-1 = auto (default), 0 = legacy, 1 = mode0, 2 = mode1, 3 = mode2, 4 = baco)");
MODULE_PARM_DESC(reset_method, "GPU reset method (-1 = auto (default), 0 = legacy, 1 = mode0, 2 = mode1, 3 = mode2, 4 = baco/bamaco)");
module_param_named(reset_method, amdgpu_reset_method, int, 0444);
/**