From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 1d4624cd72b912b2680c08d0be48338a1629a858 upstream.
Some special polaris 10 chips overlap with the polaris11
DID range. Handle this properly in the driver.
v2: use local flags for other function calls.
Acked-by: Luben Tuikov <luben.tuikov@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2008,6 +2008,15 @@ static int amdgpu_pci_probe(struct pci_d
"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;
+ }
/* 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
@@ -2081,12 +2090,12 @@ static int amdgpu_pci_probe(struct pci_d
pci_set_drvdata(pdev, ddev);
- ret = amdgpu_driver_load_kms(adev, ent->driver_data);
+ ret = amdgpu_driver_load_kms(adev, flags);
if (ret)
goto err_pci;
retry_init:
- ret = drm_dev_register(ddev, ent->driver_data);
+ ret = drm_dev_register(ddev, flags);
if (ret == -EAGAIN && ++retry <= 3) {
DRM_INFO("retry init %d\n", retry);
/* Don't request EX mode too frequently which is attacking */
