diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2023-09-20 00:56:18 +0300 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2023-09-20 01:22:06 +0300 |
| commit | 2274ce7e368174f7711a16a389fa256b1c89ce46 (patch) | |
| tree | aa2f238d7491077eef837f03a6360348cb21ff16 /drivers/gpu/drm/nouveau/nvif/outp.c | |
| parent | 422f6d8a24bb370a2d9ee9e58634509592295e99 (diff) | |
| download | linux-2274ce7e368174f7711a16a389fa256b1c89ce46.tar.xz | |
drm/nouveau/disp: add output backlight control methods
- preparation for GSP-RM
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-24-lyude@redhat.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvif/outp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvif/outp.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/outp.c b/drivers/gpu/drm/nouveau/nvif/outp.c index 6e1bcc265d07..5a3c0dd7d532 100644 --- a/drivers/gpu/drm/nouveau/nvif/outp.c +++ b/drivers/gpu/drm/nouveau/nvif/outp.c @@ -165,6 +165,33 @@ nvif_outp_acquire_lvds(struct nvif_outp *outp, bool dual, bool bpc8) return ret; } +int +nvif_outp_bl_set(struct nvif_outp *outp, int level) +{ + struct nvif_outp_bl_set_v0 args; + int ret; + + args.version = 0; + args.level = level; + + ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_BL_SET, &args, sizeof(args)); + NVIF_ERRON(ret, &outp->object, "[BL_SET level:%d]", args.level); + return ret; +} + +int +nvif_outp_bl_get(struct nvif_outp *outp) +{ + struct nvif_outp_bl_get_v0 args; + int ret; + + args.version = 0; + + ret = nvif_object_mthd(&outp->object, NVIF_OUTP_V0_BL_GET, &args, sizeof(args)); + NVIF_ERRON(ret, &outp->object, "[BL_GET level:%d]", args.level); + return ret ? ret : args.level; +} + void nvif_outp_release(struct nvif_outp *outp) { |