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-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index edaa50d850a6..ba2b7ac0c02d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -686,17 +686,23 @@ static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
*/
static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
{
- /* Could aper size report 0 ? */
- adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
- adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
+ int r;
/* size in MB on si */
adev->gmc.mc_vram_size =
adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
- adev->gmc.visible_vram_size = adev->gmc.aper_size;
+
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_device_resize_fb_bar(adev);
+ if (r)
+ return r;
+ }
+ adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
+ adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
/* In case the PCI BAR is larger than the actual amount of vram */
+ adev->gmc.visible_vram_size = adev->gmc.aper_size;
if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
adev->gmc.visible_vram_size = adev->gmc.real_vram_size;