Commit b7221f2b authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: skip BAR resizing if the bios already did it 



No need to do it again.

Acked-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent df06583d

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+5 −0
Original line number Diff line number Diff line
@@ -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)