drm/amdgpu: switch to query reserved fb size from vbios (v3)
authorHawking Zhang <Hawking.Zhang@amd.com>
Thu, 23 Jan 2020 16:14:32 +0000 (00:14 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 Jul 2020 05:59:10 +0000 (01:59 -0400)
commit87ba7feafa81ad41238574a06929ec8ffeff3842
treea8f5f18eba8a9cb5baca04362d9c9ecea4c97f1d
parent9a244ebe8128063ca1eaa6597da128b5c1689e3c
drm/amdgpu: switch to query reserved fb size from vbios (v3)

For Sienna_Cichlid, query fw_reserved_fb_size from vbios directly.
For navi1x, fall back to default 64K TMR size.
For pre-navi, no need to reserve tmr region in top LFB.

v2: fix TMR define (Alex)
v3: partially revert size change

Signed-off-by: Hawking Zhang <Hawking.Zhang@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_ttm.c