From: Stephan Gerhold <stephan@gerhold.net>
To: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3 0/2] drm/modes: Apply video parameters with only reflect option
Date: Wed, 12 Feb 2020 16:29:48 +0100 [thread overview]
Message-ID: <20200212152948.GA17735@gerhold.net> (raw)
In-Reply-To: <20200117185100.dukz3e7np3z3df7k@gilmour.lan>
Hi Maxime,
On Fri, Jan 17, 2020 at 07:51:00PM +0100, Maxime Ripard wrote:
> On Fri, Jan 17, 2020 at 04:34:27PM +0100, Stephan Gerhold wrote:
> > At the moment, video mode parameters like video=540x960,reflect_x,
> > (without rotation set) are not taken into account when applying the
> > mode in drm_client_modeset.c.
> >
> > One of the reasons for this is that the calculation that
> > combines the panel_orientation with cmdline->rotation_reflection
> > does not handle the case when cmdline->rotation_reflection does
> > not have any rotation set.
> > (i.e. cmdline->rotation_reflection & DRM_MODE_ROTATE_MASK == 0)
> >
> > However, we really should not generate such a value in the first place.
> > Rotation values should have exactly one rotation angle set
> > (DRM_MODE_ROTATE_0 for "no rotation").
> >
> > This patch set changes the command line parser to make sure that we generate
> > only valid rotation values (defaulting to DRM_MODE_ROTATE_0).
> >
> > Finally it allows DRM_MODE_ROTATE_0 when applying the rotation from
> > the video mode parameters to make parameters without rotation work correctly.
>
> For both,
> Acked-by: Maxime Ripard <mripard@kernel.org>
Can you apply these two patches for me?
This is my second contribution to the DRM subsystem, so I don't have
commit access to drm-misc yet.
Thanks,
Stephan
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next prev parent reply other threads:[~2020-02-12 15:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-17 15:34 [PATCH v3 0/2] drm/modes: Apply video parameters with only reflect option Stephan Gerhold
2020-01-17 15:34 ` [PATCH v3 1/2] drm/modes: Make sure to parse valid rotation value from cmdline Stephan Gerhold
2020-01-17 15:34 ` [PATCH v3 2/2] drm/modes: Allow DRM_MODE_ROTATE_0 when applying video mode parameters Stephan Gerhold
2020-01-17 18:51 ` [PATCH v3 0/2] drm/modes: Apply video parameters with only reflect option Maxime Ripard
2020-02-12 15:29 ` Stephan Gerhold [this message]
2020-02-12 17:33 ` Maxime Ripard
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