[PATCH 1/9] drm/amdgpu: Use backlight power constants

[Alex Deucher]

On Thu, Aug 8, 2024 at 1:19 AM Thomas Zimmermann <tzimmermann at suse.de> wrote:
>
> Hi
>
> Am 07.08.24 um 21:47 schrieb Alex Deucher:
> > On Tue, Aug 6, 2024 at 3:06 AM Thomas Zimmermann <tzimmermann at suse.de> wrote:
> >> Hi
> >>
> >> Am 05.08.24 um 21:00 schrieb Deucher, Alexander:
> >>> [Public]
> >>>
> >>>> -----Original Message-----
> >>>> From: Thomas Zimmermann <tzimmermann at suse.de>
> >>>> Sent: Wednesday, July 31, 2024 8:17 AM
> >>>> To: maarten.lankhorst at linux.intel.com; mripard at kernel.org;
> >>>> airlied at gmail.com; daniel at ffwll.ch
> >>>> Cc: amd-gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org; intel-
> >>>> gfx at lists.freedesktop.org; intel-xe at lists.freedesktop.org; Thomas
> >>>> Zimmermann <tzimmermann at suse.de>; Deucher, Alexander
> >>>> <Alexander.Deucher at amd.com>; Koenig, Christian
> >>>> <Christian.Koenig at amd.com>; Pan, Xinhui <Xinhui.Pan at amd.com>
> >>>> Subject: [PATCH 1/9] drm/amdgpu: Use backlight power constants
> >>>>
> >>>> Replace FB_BLANK_ constants with their counterparts from the backlight
> >>>> subsystem. The values are identical, so there's no change in functionality or
> >>>> semantics.
> >>>>
> >>>> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> >>>> Cc: Alex Deucher <alexander.deucher at amd.com>
> >>>> Cc: "Christian König" <christian.koenig at amd.com>
> >>>> Cc: Xinhui Pan <Xinhui.Pan at amd.com>
> >>> This patch and the radeon patch are:
> >>> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> >>>
> >>> Feel free to take them via whatever tree makes sense if you are trying to keep the patches together, or let me know if you want me to pick them up.
> >> Thank you for the reviews. Please pick up both patches into the rsp AMD
> >> trees. The i915 patch already went into Intel trees and the rest of the
> >> series will go into drm-misc.
> > What changes do these depend on?  BACKLIGHT_POWER_ON isn't declared in
> > my -next tree yet.  Might be easier to just run them through drm-misc
> > if that's where the change is.
>
> The constants are in commit a1cacb8a8e70 ("backlight: Add
> BACKLIGHT_POWER_ constants for power states"), available in v6.11-rc1
> and later.

Ah, ok.  My current -next branch is based on drm-next from near the
merge window, but I guess it doesn't have the patch yet.

>
> Please let me know if I should take the AMD patches into drm-misc-next.

Please go ahead.  Thanks.

Alex

>
> Best regards
> Thomas
>
> >
> > Alex
> >
> >> Best regards
> >> Thomas
> >>
> >>> Thanks,
> >>>
> >>> Alex
> >>>
> >>>> ---
> >>>>    drivers/gpu/drm/amd/amdgpu/atombios_encoders.c | 2 +-
> >>>>    1 file changed, 1 insertion(+), 1 deletion(-)
> >>>>
> >>>> diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> >>>> b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> >>>> index 25feab188dfe..650ec95bb40a 100644
> >>>> --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> >>>> +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> >>>> @@ -215,7 +215,7 @@ void
> >>>> amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder
> >>>> *amdgpu_encode
> >>>>         dig->bl_dev = bd;
> >>>>
> >>>>         bd->props.brightness =
> >>>> amdgpu_atombios_encoder_get_backlight_brightness(bd);
> >>>> -     bd->props.power = FB_BLANK_UNBLANK;
> >>>> +     bd->props.power = BACKLIGHT_POWER_ON;
> >>>>         backlight_update_status(bd);
> >>>>
> >>>>         DRM_INFO("amdgpu atom DIG backlight initialized\n");
> >>>> --
> >>>> 2.45.2
> >> --
> >> --
> >> Thomas Zimmermann
> >> Graphics Driver Developer
> >> SUSE Software Solutions Germany GmbH
> >> Frankenstrasse 146, 90461 Nuernberg, Germany
> >> GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
> >> HRB 36809 (AG Nuernberg)
> >>
>
> --
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Frankenstrasse 146, 90461 Nuernberg, Germany
> GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
> HRB 36809 (AG Nuernberg)
>