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...here is no need for Nouveau to register its own backlight interface. Signed-off-by: Pierre Moreau <pierre.morrow at free.fr> --- drm/nouveau/nouveau_backlight.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drm/nouveau/nouveau_backlight.c b/drm/nouveau/nouveau_backlight.c index 41330e4..94ac3cb 100644 --- a/drm/nouveau/nouveau_backlight.c +++ b/drm/nouveau/nouveau_backlight.c @@ -30,6 +30,7 @@ * Register locations derived from NVClock by Roderick Colenbrander */ +#include <linux/apple-gmux.h> #include <linux/backlight.h> #include <linux/idr.h> @@ -257,...

...as it prevents from grepping it, as pointed out by Hans de Goede Signed-off-by: Pierre Moreau <pierre.morrow at free.fr> --- drm/nouveau/nouveau_backlight.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drm/nouveau/nouveau_backlight.c b/drm/nouveau/nouveau_backlight.c index 41330e4..8429ceb 100644 --- a/drm/nouveau/nouveau_backlight.c +++ b/drm/nouveau/nouveau_backlight.c @@ -30,6 +30,7 @@ * Register locations derived from NVClock by Roderick Colenbrander */ +#include <linux/apple-gmux.h> #include <linux/backlight.h> #include <linux/idr.h> @@ -257,...

...+++++++++++++++++++++++--- drm/nouveau/nouveau_display.h | 10 +++++++ drm/nouveau/nouveau_drm.c | 2 ++ drm/nouveau/nouveau_drm.h | 1 + 4 files changed, 73 insertions(+), 4 deletions(-) diff --git a/drm/nouveau/nouveau_backlight.c b/drm/nouveau/nouveau_backlight.c index 89eb460..41330e4 100644 --- a/drm/nouveau/nouveau_backlight.c +++ b/drm/nouveau/nouveau_backlight.c @@ -31,11 +31,31 @@ */ #include <linux/backlight.h> +#include <linux/idr.h> #include "nouveau_drm.h" #include "nouveau_reg.h" #include "nouveau_encoder.h" +static...

Currently, every backlight interface created by Nouveau uses the same name, nv_backlight. This leads to a sysfs warning as it tries to create an already existing folder. This patch adds a incremented number to the name, but keeps the initial name as nv_backlight, to avoid possibly breaking userspace; the second interface will be named nv_backlight1, and so on. Fixes: fdo#86539 Signed-off-by: