Am 08.06.20 um 21:41 schrieb Alex Deucher:
No need to do it again.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 1df28b7bf22e..539010798116 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -909,6 +909,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
if (amdgpu_sriov_vf(adev))
return 0;
+ /* skip if the bios has already enabled large BAR */
+ if (adev->gmc.real_vram_size &&
+ (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size))
+ return 0;
+
/* Check if the root BUS has 64bit memory resources */
root = adev->pdev->bus;
while (root->parent)
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