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| author | Lyude Paul <[email protected]> | 2022-02-04 18:05:04 +0000 |
|---|---|---|
| committer | Lyude Paul <[email protected]> | 2022-02-08 20:22:16 +0000 |
| commit | 6b0076540faffd47f5a899bf12f3528c4f0e726b (patch) | |
| tree | b8134d6cee32e4b491baa4e13e97554eb6d2fb3d /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
| parent | nouveau/svm: Use struct_size() helper in nouveau_pfns_map() (diff) | |
| download | kernel-6b0076540faffd47f5a899bf12f3528c4f0e726b.tar.gz kernel-6b0076540faffd47f5a899bf12f3528c4f0e726b.zip | |
drm/nouveau/backlight: Fix LVDS backlight detection on some laptops
It seems that some laptops will report having both an eDP and LVDS
connector, even though only the LVDS connector is actually hooked up. This
can lead to issues with backlight registration if the eDP connector ends up
getting registered before the LVDS connector, as the backlight device will
then be registered to the eDP connector instead of the LVDS connector.
So, fix this by only registering the backlight on connectors that are
reported as being connected.
Signed-off-by: Lyude Paul <[email protected]>
Fixes: 6eca310e8924 ("drm/nouveau/kms/nv50-: Add basic DPCD backlight support for nouveau")
Bugzilla: https://gitlab.freedesktop.org/drm/nouveau/-/issues/137
Cc: <[email protected]> # v5.15+
Reviewed-by: Karol Herbst <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
0 files changed, 0 insertions, 0 deletions