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authorSui Jingfeng <suijingfeng@loongson.cn>2023-08-25 08:27:13 +0200
committerBjorn Helgaas <bhelgaas@google.com>2023-09-28 23:54:54 +0200
commit18bf400530ca06e4bffcc9ce4741cf7a3526b85f (patch)
treeb1bbbd47e3429f8616e0a2390052d7e526bdd89e /drivers/gpu
parentdrm/nouveau: Use pci_get_base_class() to reduce duplicated code (diff)
downloadlinux-18bf400530ca06e4bffcc9ce4741cf7a3526b85f.tar.xz
linux-18bf400530ca06e4bffcc9ce4741cf7a3526b85f.zip
drm/amdgpu: Use pci_get_base_class() to reduce duplicated code
Use pci_get_base_class() to reduce duplicated code. No functional change intended. Link: https://lore.kernel.org/r/20230825062714.6325-5-sui.jingfeng@linux.dev Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c11
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c20
2 files changed, 9 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 2bca37044ad0..327e2fd2401f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -1389,14 +1389,11 @@ void amdgpu_acpi_detect(void)
struct pci_dev *pdev = NULL;
int ret;
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
- if (!atif->handle)
- amdgpu_atif_pci_probe_handle(pdev);
- if (!atcs->handle)
- amdgpu_atcs_pci_probe_handle(pdev);
- }
+ while ((pdev = pci_get_base_class(PCI_BASE_CLASS_DISPLAY, pdev))) {
+ if ((pdev->class != PCI_CLASS_DISPLAY_VGA << 8) &&
+ (pdev->class != PCI_CLASS_DISPLAY_OTHER << 8))
+ continue;
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
if (!atif->handle)
amdgpu_atif_pci_probe_handle(pdev);
if (!atcs->handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index 38ccec913f00..5bbb23e102ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -287,7 +287,11 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)
if (adev->flags & AMD_IS_APU)
return false;
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
+ while ((pdev = pci_get_base_class(PCI_BASE_CLASS_DISPLAY, pdev))) {
+ if ((pdev->class != PCI_CLASS_DISPLAY_VGA << 8) &&
+ (pdev->class != PCI_CLASS_DISPLAY_OTHER << 8))
+ continue;
+
dhandle = ACPI_HANDLE(&pdev->dev);
if (!dhandle)
continue;
@@ -299,20 +303,6 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)
}
}
- if (!found) {
- while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
- dhandle = ACPI_HANDLE(&pdev->dev);
- if (!dhandle)
- continue;
-
- status = acpi_get_handle(dhandle, "ATRM", &atrm_handle);
- if (ACPI_SUCCESS(status)) {
- found = true;
- break;
- }
- }
- }
-
if (!found)
return false;
pci_dev_put(pdev);