From 4bb56c09293782eb85e5e7643b66496a6a119e34 Mon Sep 17 00:00:00 2001 From: Feifei Xu Date: Tue, 6 Feb 2018 12:29:23 +0800 Subject: [PATCH 4385/5725] drm/amdgpu: Fix hardcoded base offset of vram pages In gmc_v9_0_vram_gtt_location(),the vram_base_offset is hardcoded to 0 in dGPU. Fix it by reading mmMC_VM_FB_OFFSET or return zfb_phys_addr if ZFB is enabled. Signed-off-by: Feifei Xu Signed-off-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 35cea8d..3c0a0c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -692,10 +692,7 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, amdgpu_device_vram_location(adev, &adev->gmc, base); amdgpu_device_gart_location(adev, mc); /* base offset of vram pages */ - if (adev->flags & AMD_IS_APU) - adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev); - else - adev->vm_manager.vram_base_offset = 0; + adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev); } /** -- 2.7.4