On Mon, Feb 2, 2026 at 7:17 AM Timur Kristóf <[email protected]> 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 <[email protected]> I assume Alex Hung or Harry will pull this into the DC promotion testing. 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
