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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/drivers/gpu/drm/amd/display/dc/dio
Zhongwei ffa1e31f70 drm/amd/display: Fix garbage or black screen when resetting otg
[Why]
For some EDP to MIPI panel, disabling OTG when link is alive like boot
case, the converter might output garbage or show no display because our
GPU is not sending required pixel data.
Alos Dig fifo underflow was found which might cause garbage, when
resetting otg for other types of EDP panels.

[How]
Skipping resetting OTG if the dig fifo is on. Make sure that the otg for
the pipe is the one that the dig fifo is selecting via the FE mask.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Zhongwei <Zhongwei.Zhang@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-10-07 14:11:42 -04:00
..
dcn10
dcn20
dcn30
dcn31
dcn32
dcn35 drm/amd/display: Add seamless boot support for more DIG operation modes 2024-07-27 17:34:07 -04:00
dcn301 drm/amd/display: Refactor for dio 2024-07-27 17:31:26 -04:00
dcn314 drm/amd/display: Fix garbage or black screen when resetting otg 2024-10-07 14:11:42 -04:00
dcn321 drm/amd/display: Refactor for dio 2024-07-27 17:31:26 -04:00
dcn401
Makefile drm/amd/display: Refactor for dio 2024-07-27 17:31:26 -04:00