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drm/amdgpu/gmc9: set mc vm fb offset for raven
APU fb offset is set by sbios, which is different with DGPU. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Ken Wang <Qingqing.Wang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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3 changed files with 10 additions and 3 deletions
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@ -31,6 +31,11 @@
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#include "soc15_common.h"
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u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
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{
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return (u64)RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_FB_OFFSET)) << 24;
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}
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int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
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{
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u32 tmp;
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@ -28,7 +28,7 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev);
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void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev);
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void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
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bool value);
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u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev);
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extern const struct amd_ip_funcs gfxhub_v1_0_ip_funcs;
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extern const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block;
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@ -548,8 +548,10 @@ static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
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amdgpu_vm_manager_init(adev);
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/* base offset of vram pages */
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/*XXX This value is not zero for APU*/
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adev->vm_manager.vram_base_offset = 0;
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if (adev->flags & AMD_IS_APU)
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adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);
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else
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adev->vm_manager.vram_base_offset = 0;
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return 0;
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}
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