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path: root/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index f368cfe2f585..9ca5fea93ebc 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -498,6 +498,8 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
*/
static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
{
+ int r;
+
adev->mc.vram_width = amdgpu_atombios_get_vram_width(adev);
if (!adev->mc.vram_width) {
u32 tmp;
@@ -543,13 +545,18 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
}
adev->mc.vram_width = numchan * chansize;
}
- /* Could aper size report 0 ? */
- adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
- adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
/* size in MB on si */
adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_device_resize_fb_bar(adev);
+ if (r)
+ return r;
+ }
+ adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
+ adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
+
#ifdef CONFIG_X86_64
if (adev->flags & AMD_IS_APU) {
adev->mc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;