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author | Alex Deucher <alexander.deucher@amd.com> | 2019-12-20 18:57:16 -0500 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-29 01:53:27 -0500 |
commit | 5d30ed3c2c74eb123668d0746e23105c8fc8aed3 (patch) | |
tree | 01c440422b17b7af0c296dfdd0f396b77c7b4266 /drivers | |
parent | e31d941c7dd797df37ea94958638a88723325c30 (diff) | |
download | linux-stable-5d30ed3c2c74eb123668d0746e23105c8fc8aed3.tar.gz linux-stable-5d30ed3c2c74eb123668d0746e23105c8fc8aed3.tar.bz2 linux-stable-5d30ed3c2c74eb123668d0746e23105c8fc8aed3.zip |
Revert "drm/amdgpu: simplify ATPX detection"
This reverts commit f5fda6d89afe6e9cedaa1c3303903c905262f6e8.
You can't use BASE_CLASS in pci_get_class.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/995
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index a97fb759e2f4..3e35a8f2c5e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -613,7 +613,17 @@ static bool amdgpu_atpx_detect(void) bool d3_supported = false; struct pci_dev *parent_pdev; - while ((pdev = pci_get_class(PCI_BASE_CLASS_DISPLAY << 16, pdev)) != NULL) { + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) { + vga_count++; + + has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true); + + parent_pdev = pci_upstream_bridge(pdev); + d3_supported |= parent_pdev && parent_pdev->bridge_d3; + amdgpu_atpx_get_quirks(pdev); + } + + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { vga_count++; has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true); |