[PATCH] Lenovo X13 Yoga OLED panel brightness fix

[Daniel Vetter]

On Mon, May 18, 2020 at 07:13:58PM -0400, Lyude Paul wrote:
> ok-actually, I'm not sure dim will actually allow me to push this because this
> never hit dri-devel as a properly formatted patch (because of the --------------
> ---------- you put at the top of the branch confusing things)
> 
> Can you try again without adding any comments, and ideally see if lenovo can
> make it so you can just use git send-email? (unfortunately you're really not
> going to be able to work around this if you'll need to be submitting patches
> more regularly in the future I'm afraid)

Other option is hand-edit the patch and then manually add the msg-id
reference with dim add-links (or whatever it was) so the archive links are
too much off. That should work all somehow.

Still yeah gitlab mr would be neater.
-Daniel

> 
> On Mon, 2020-05-18 at 18:43 -0400, Lyude Paul wrote:
> > Yeah, git send-email is kinda :(, but unfortunately the entire kernel uses
> > this
> > workflow. Hopefully freedesktop's gitlab efforts will change this someday...
> > 
> > also - in the future, if you don't want comments to appear in the patch when
> > they're applied put them below the ---, e.g. the one before the Reviewed-by:
> > tag.
> > 
> > Anyway-I'll go ahead and push this, thanks for keeping this list up to date!
> > 
> > On Mon, 2020-05-18 at 00:06 +0000, Mark Pearson wrote:
> > > Hi,
> > > 
> > > Patch to fix an issue controlling the brightness of the OLED panel on the
> > > Lenovo X13 Yoga 
> > > Please let me know any feedback or questions.
> > > Note - apologies if this message has shown up before - I had some mail
> > > client
> > > issues.
> > > 
> > > Mark Pearson
> > > ---------------------------------
> > > 
> > > Add another panel that needs the edid quirk to the list so that brightness 
> > > control works correctly. Fixes issue seen on Lenovo X13 Yoga with OLED panel
> > > 
> > > Co-developed-by: jendrina at lenovo.com
> > > Signed-off-by: jendrina at lenovo.com
> > > Signed-off-by: Mark Pearson <mpearson at lenovo.com>
> > > Reviewed-by: Lyude Paul <lyude at redhat.com>
> > > ---
> > > drivers/gpu/drm/drm_dp_helper.c | 1 +
> > > 1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/drivers/gpu/drm/drm_dp_helper.c
> > > b/drivers/gpu/drm/drm_dp_helper.c
> > > index c6fbe6e6bc9d..41f0e797ce8c 100644
> > > --- a/drivers/gpu/drm/drm_dp_helper.c
> > > +++ b/drivers/gpu/drm/drm_dp_helper.c
> > > @@ -1313,6 +1313,7 @@ static const struct edid_quirk edid_quirk_list[] = {
> > >                { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41),
> > > BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
> > >                { MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14),
> > > BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
> > >                { MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14),
> > > BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
> > > +             { MFG(0x4c, 0x83), PROD_ID(0x47, 0x41),
> > > BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
> > > };
> > > 
> > >  #undef MFG
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch