diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2020-11-28 17:06:54 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 22:56:14 -0400 |
| commit | 8738a82b37d32a816eb5874a65e218e7ef2a777a (patch) | |
| tree | 088762e440fe8768a5a0b7b022f2c201d8905b61 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | b1138d5ec0e12af11fd0daac5153ec6c17c18f9d (diff) | |
| download | lwn-8738a82b37d32a816eb5874a65e218e7ef2a777a.tar.gz lwn-8738a82b37d32a816eb5874a65e218e7ef2a777a.zip | |
drm/amd/amdgpu: Add smu_pptable module parameter
Temporarily add smu_pptable module parameter for aldebaran.This is used
to force soft PPTable use overriding any VBIOS PPTable.
Signed-off-by: Lijo Lazar <Lijo.Lazar@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@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 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index fbef0ea82a18..7294a8062a93 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -146,6 +146,7 @@ int amdgpu_compute_multipipe = -1; int amdgpu_gpu_recovery = -1; /* auto */ int amdgpu_emu_mode; uint amdgpu_smu_memory_pool_size; +int amdgpu_smu_pptable_id = -1; /* * FBC (bit 0) disabled by default * MULTI_MON_PP_MCLK_SWITCH (bit 1) enabled by default @@ -828,6 +829,15 @@ 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+)"); module_param_named(num_kcq, amdgpu_num_kcq, int, 0444); +/** + * DOC: smu_pptable_id (int) + * Used to override pptable id. id = 0 use VBIOS pptable. + * id > 0 use the soft pptable with specicfied id. + */ +MODULE_PARM_DESC(smu_pptable_id, + "specify pptable id to be used (-1 = auto(default) value, 0 = use pptable from vbios, > 0 = soft pptable id)"); +module_param_named(smu_pptable_id, amdgpu_smu_pptable_id, int, 0444); + static const struct pci_device_id pciidlist[] = { #ifdef CONFIG_DRM_AMDGPU_SI {0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI}, |