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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>
This commit is contained in:
Lijo Lazar 2020-11-28 17:06:54 +08:00 committed by Alex Deucher
parent b1138d5ec0
commit 8738a82b37
2 changed files with 11 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -177,6 +177,7 @@ extern int amdgpu_compute_multipipe;
extern int amdgpu_gpu_recovery;
extern int amdgpu_emu_mode;
extern uint amdgpu_smu_memory_pool_size;
extern int amdgpu_smu_pptable_id;
extern uint amdgpu_dc_feature_mask;
extern uint amdgpu_freesync_vid_mode;
extern uint amdgpu_dc_debug_mask;

10
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -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},