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| author | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2016-06-17 20:31:33 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 21:54:44 +0300 |
| commit | 6f8941a2308811626edc083c70584837d54e0382 (patch) | |
| tree | 4c3ff65c0a0d5f9cfcbdc13d138e23c0e3f8a746 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | 8b2ac103208b6933e265b3dc81776c2974cb5c7a (diff) | |
| download | linux-6f8941a2308811626edc083c70584837d54e0382.tar.xz | |
drm/amdgpu: add disable_cu parameter
This parameter will allow disabling individual CUs on module load, e.g.
amdgpu.disable_cu=2.0.3,2.0.4 to disable CUs 3 and 4 of SE2.
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 17bf19b063b0..3cea56942f52 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -87,6 +87,7 @@ unsigned amdgpu_pcie_gen_cap = 0; unsigned amdgpu_pcie_lane_cap = 0; unsigned amdgpu_cg_mask = 0xffffffff; unsigned amdgpu_pg_mask = 0xffffffff; +char *amdgpu_disable_cu = NULL; MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); @@ -180,6 +181,9 @@ 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); +MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)"); +module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444); + static const struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_CIK /* Kaveri */ |