drm/amdgpu: enlarge agp_start address into 48bit
authorFrank.Min <Frank.Min@amd.com>
Wed, 18 Dec 2019 10:37:11 +0000 (18:37 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 23 Dec 2019 19:56:21 +0000 (14:56 -0500)
commit56ca8628acae52be9e43568dcffc49d14b60d924
tree12eb699d46b51c1186bc5dd850bcee345ebc6e60
parent8adf5d21844d47829c67c0c796e916ddab3659f3
drm/amdgpu: enlarge agp_start address into 48bit

max range of the agp aperture is 48 bits, so
enlarge agp_start address into 48bit with all bits set

Signed-off-by: Frank.Min <Frank.Min@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c