korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 12:28:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: Optimize the asic type fix code

Browse Source 
Use a new struct array to define the asic information which
asic type needs to be fixed.

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ma Jun 2023-10-31 19:10:47 +08:00 committed by Alex Deucher
parent 36e7ff5c13
commit dbab63561b
2 changed files with 31 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -2041,6 +2041,14 @@ static const struct pci_device_id pciidlist[] = {
MODULE_DEVICE_TABLE(pci, pciidlist);
static const struct amdgpu_asic_type_quirk asic_type_quirks[] = {
/* differentiate between P10 and P11 asics with the same DID */
{0x67FF, 0xE3, CHIP_POLARIS10},
{0x67FF, 0xE7, CHIP_POLARIS10},
{0x67FF, 0xF3, CHIP_POLARIS10},
{0x67FF, 0xF7, CHIP_POLARIS10},
};
static const struct drm_driver amdgpu_kms_driver;
static void amdgpu_get_secondary_funcs(struct amdgpu_device *adev)
@ -2083,6 +2091,22 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev)
}
}
static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags)
{
int i;
for (i = 0; i < ARRAY_SIZE(asic_type_quirks); i++) {
if (pdev->device == asic_type_quirks[i].device &&
pdev->revision == asic_type_quirks[i].revision) {
flags &= ~AMD_ASIC_MASK;
flags |= asic_type_quirks[i].type;
break;
}
}
return flags;
}
static int amdgpu_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@ -2110,15 +2134,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
"See modparam exp_hw_support\n");
return -ENODEV;
}
/* differentiate between P10 and P11 asics with the same DID */
if (pdev->device == 0x67FF &&
(pdev->revision == 0xE3 ||
pdev->revision == 0xE7 ||
pdev->revision == 0xF3 ||
pdev->revision == 0xF7)) {
flags &= ~AMD_ASIC_MASK;
flags |= CHIP_POLARIS10;
}
flags = amdgpu_fix_asic_type(pdev, flags);
/* Due to hardware bugs, S/G Display on raven requires a 1:1 IOMMU mapping,
* however, SME requires an indirect IOMMU mapping because the encryption

5
include/drm/amd_asic_type.h
View File

@ -68,4 +68,9 @@ enum amd_asic_type {
extern const char *amdgpu_asic_name[];
struct amdgpu_asic_type_quirk {
unsigned short device; /* PCI device ID */
u8 revision; /* revision ID */
unsigned short type; /* real ASIC type */
};
#endif /*__AMD_ASIC_TYPE_H__ */