Re: [PATCH 0/8] drm/amd/display: Fix and cleanup analog encoders

[Alex Hung <alex.hung@amd.com>]

On 2/16/26 07:41, Alex Deucher wrote:
> On Mon, Feb 2, 2026 at 7:47 PM Alex Hung <alex.hung@amd.com> wrote:
>>
>>
>>
>> On 2/2/26 14:25, Alex Deucher wrote:
>>> On Mon, Feb 2, 2026 at 7:17 AM Timur Kristóf <timur.kristof@gmail.com> wrote:
>>>>
>>>> Fix a "black screen" issue with analog connector support in DC.
>>>> The Radeon HD 7790 series seems specifically affected.
>>>> I recommend backporting the series to 6.19 to avoid regressions.
>>>>
>>>> The series also makes the analog connector support more consistent
>>>> with the rest of the DC code base so it doesn't feel like a hack
>>>> anymore, ie. it brings analog connectors a bit closer to other
>>>> connector types.
>>>
>>> Series looks good to me.
>>> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
>>> I assume Alex Hung or Harry will pull this into the DC promotion testing.
>>
>> I will send this series to promotion test next week.
> 
> Did this get picked up?

No regression was found during promotion test last week but some CI unit 
tests failed. I am still trying to investigate the root causes.

> 
> Alex
> 
>>
>>>
>>> Thanks,
>>>
>>> Alex
>>>
>>>>
>>>> Timur Kristóf (8):
>>>>     drm/amd/display: Use DCE 6 link encoder for DCE 6 analog connectors
>>>>     drm/amd/display: Fix disabling fastboot on DCE 6-8
>>>>     drm/amd/display: Don't call find_analog_engine() twice
>>>>     drm/amd/display: Turn off DAC in DCE link encoder using VBIOS
>>>>     drm/amd/display: Initialize DAC in DCE link encoder using VBIOS
>>>>     drm/amd/display: Set CRTC source for DAC using registers
>>>>     drm/amd/display: Enable DAC in DCE link encoder
>>>>     drm/amd/display: Remove unneeded DAC link encoder register
>>>>
>>>>    .../drm/amd/display/dc/bios/command_table.c   |  3 +-
>>>>    .../drm/amd/display/dc/dce/dce_link_encoder.c | 58 ++++++++++++++-----
>>>>    .../drm/amd/display/dc/dce/dce_link_encoder.h |  8 ++-
>>>>    .../amd/display/dc/dce/dce_stream_encoder.c   | 23 ++++++--
>>>>    .../amd/display/dc/dce/dce_stream_encoder.h   | 12 +++-
>>>>    .../amd/display/dc/hwss/dce110/dce110_hwseq.c | 58 ++++---------------
>>>>    .../drm/amd/display/dc/hwss/hw_sequencer.h    |  2 +
>>>>    .../drm/amd/display/dc/inc/hw/link_encoder.h  |  2 +
>>>>    .../gpu/drm/amd/display/dc/link/link_dpms.c   | 14 ++++-
>>>>    .../drm/amd/display/dc/link/link_factory.c    |  1 -
>>>>    .../dc/resource/dce100/dce100_resource.c      |  8 ++-
>>>>    .../dc/resource/dce60/dce60_resource.c        | 11 ++--
>>>>    .../dc/resource/dce80/dce80_resource.c        |  8 ++-
>>>>    13 files changed, 127 insertions(+), 81 deletions(-)
>>>>
>>>> --
>>>> 2.52.0
>>