linux_dsm_epyc7002/drivers/gpu/drm/amd
Nicholas Kazlauskas 743b9786b1 drm/amd/display: Hook up the DMUB service in DM
[Why]
We need DMCUB on Renoir to support DMCU and PHY initialization.
The DMUB service provides a mechanism to load the DMCUB.

[How]
Include the DMUB service in amdgpu_dm.

Frontdoor loading of the DMCUB firmware needs to happen via PSP. To
pass the firmware to PSP we need to hand it off to the firmware list
in the base driver during software initialization.

Most of the DMUB service can technically be initialized at this point
in time, but we don't want to be allocating framebuffer memory for
hardware that doesn't support the DMCUB and in order to check that we
need to be able to read registers - something DM helpers aren't setup
to do in software initialization.

So everything but the service creation itself will get deferred to
hardware initialization.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-11-13 15:29:42 -05:00
..
acp treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
amdgpu drm/amdgpu: Add PSP loading support for DMCUB ucode 2019-11-13 15:29:42 -05:00
amdkfd Merge tag 'drm-next-5.5-2019-11-01' of git://people.freedesktop.org/~agd5f/linux into drm-next 2019-11-04 10:22:53 +10:00
display drm/amd/display: Hook up the DMUB service in DM 2019-11-13 15:29:42 -05:00
include drm/amd/powerplay: support xgmi pstate setting on powerplay routine V2 2019-11-06 16:27:46 -05:00
powerplay drm/amd/powerplay: read pcie speed/width info (v2) 2019-11-13 15:29:42 -05:00