summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 11:48:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 11:48:08 +0300
commitc04005ef3576893e2db315d9ea2cfa4cf88b2c05 (patch)
treec5f73e026486ef172ca5b0f48a34c67d6aa69c5e /drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
parentd15a6b92acfe1f4d7c3d4cf628a348deb7ad6eb3 (diff)
parentef4999852d307d38cfdecd91ed6892cc03beb9b8 (diff)
downloadlinux-rolling-lts.tar.xz
Merge v6.12.25linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index 45affc02548c..a3a7d20ab4fe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -437,6 +437,13 @@ success:
return true;
}
+static bool amdgpu_prefer_rom_resource(struct amdgpu_device *adev)
+{
+ struct resource *res = &adev->pdev->resource[PCI_ROM_RESOURCE];
+
+ return (res->flags & IORESOURCE_ROM_SHADOW);
+}
+
static bool amdgpu_get_bios_dgpu(struct amdgpu_device *adev)
{
if (amdgpu_atrm_get_bios(adev)) {
@@ -455,14 +462,27 @@ static bool amdgpu_get_bios_dgpu(struct amdgpu_device *adev)
goto success;
}
- if (amdgpu_read_platform_bios(adev)) {
- dev_info(adev->dev, "Fetched VBIOS from platform\n");
- goto success;
- }
+ if (amdgpu_prefer_rom_resource(adev)) {
+ if (amdgpu_read_bios(adev)) {
+ dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");
+ goto success;
+ }
- if (amdgpu_read_bios(adev)) {
- dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");
- goto success;
+ if (amdgpu_read_platform_bios(adev)) {
+ dev_info(adev->dev, "Fetched VBIOS from platform\n");
+ goto success;
+ }
+
+ } else {
+ if (amdgpu_read_platform_bios(adev)) {
+ dev_info(adev->dev, "Fetched VBIOS from platform\n");
+ goto success;
+ }
+
+ if (amdgpu_read_bios(adev)) {
+ dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");
+ goto success;
+ }
}
if (amdgpu_read_bios_from_rom(adev)) {