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| author | Nicolai Hähnle <Nicolai.Haehnle@amd.com> | 2016-06-02 12:32:07 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 14:51:16 -0400 |
| commit | 395d1fb948d98e613ba58a90a28a3049404ec7d4 (patch) | |
| tree | 9181e4108ed189a782623e696c429076d193b5b0 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | f4b373f41cfc96c162c87de2c027dd42d25f9cb4 (diff) | |
| download | op-kernel-dev-395d1fb948d98e613ba58a90a28a3049404ec7d4.zip op-kernel-dev-395d1fb948d98e613ba58a90a28a3049404ec7d4.tar.gz | |
drm/amdgpu: add amdgpu.cg_mask and amdgpu.pg_mask parameters
They allow disabling clock and power gating from the kernel command line,
which hopefully helps with diagnosing problems in the field.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index e2bf4ef..17bf19b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -85,6 +85,8 @@ int amdgpu_powerplay = -1; int amdgpu_powercontainment = 1; unsigned amdgpu_pcie_gen_cap = 0; unsigned amdgpu_pcie_lane_cap = 0; +unsigned amdgpu_cg_mask = 0xffffffff; +unsigned amdgpu_pg_mask = 0xffffffff; MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); @@ -172,6 +174,12 @@ module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444); MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))"); module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444); +MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)"); +module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444); + +MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)"); +module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444); + static const struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_CIK /* Kaveri */ |
