linux-loongson/drivers/gpu/drm/amd/display/dc/hwss/dcn35
Nicholas Kazlauskas 0d57dd1765 drm/amd/display: Add more checks for DSC / HUBP ONO guarantees
[WHY]
For non-zero DSC instances it's possible that the HUBP domain required
to drive it for sequential ONO ASICs isn't met, potentially causing
the logic to the tile to enter an undefined state leading to a system
hang.

[HOW]
Add more checks to ensure that the HUBP domain matching the DSC instance
is appropriately powered.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit da63df0711)
Cc: stable@vger.kernel.org
2025-06-18 13:05:12 -04:00
..
dcn35_hwseq.c drm/amd/display: Add more checks for DSC / HUBP ONO guarantees 2025-06-18 13:05:12 -04:00
dcn35_hwseq.h drm/amd/display: power up all gating blocks when releasing hw DCN35 2025-01-06 14:44:26 -05:00
dcn35_init.c drm/amd/display: wait for updates to latch before locking 2025-04-07 18:01:08 -04:00
dcn35_init.h drm/amd/display: Refactor INIT into component folder 2024-01-03 10:47:29 -05:00