From f5fda6d89afe6e9cedaa1c3303903c905262f6e8 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 9 Oct 2019 14:39:37 -0500
Subject: drm/amdgpu: simplify ATPX detection
Git-commit: f5fda6d89afe6e9cedaa1c3303903c905262f6e8
Patch-mainline: v5.5-rc1
References: bsc#1152489
Use the base class rather than the specific class and drop
the second loop.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 3e35a8f2c5e5..a97fb759e2f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -613,17 +613,7 @@ static bool amdgpu_atpx_detect(void)
bool d3_supported = false;
struct pci_dev *parent_pdev;
- 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) {
+ while ((pdev = pci_get_class(PCI_BASE_CLASS_DISPLAY << 16, pdev)) != NULL) {
vga_count++;
has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true);
--
2.28.0