drm/amd/display: Don't allow OLED to go down to fully off
authorMario Limonciello <mario.limonciello@amd.com>
Thu, 19 Jun 2025 14:29:13 +0000 (09:29 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 30 Jun 2025 15:59:09 +0000 (11:59 -0400)
commit51496c7737d06a74b599d0aa7974c3d5a4b1162e
tree5ecebd3eaf9c04e7306e12bf75c06e062f8d11d9
parentfe7645d22bc0f7c1558296538ec49987bf268ef6
drm/amd/display: Don't allow OLED to go down to fully off

[Why]
OLED panels can be fully off, but this behavior is unexpected.

[How]
Ensure that minimum luminance is at least 1.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4338
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c