tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/amd/display: Don't set dpms_off for seamless boot

[Why]
eDPs fail to light up with seamless boot enabled

[How]
When seamless boot is enabled don't configure dpms_off
in disable_vbios_mode_if_required.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

Daniel Miess and committed by
Alex Deucher ef013f6f e53524cd

+3
+3
drivers/gpu/drm/amd/display/dc/core/dc.c
··· 1232 1232 if (stream == NULL) 1233 1233 continue; 1234 1234 1235 + if (stream->apply_seamless_boot_optimization) 1236 + continue; 1237 + 1235 1238 // only looking for first odm pipe 1236 1239 if (pipe->prev_odm_pipe) 1237 1240 continue;