On Wed, Jun 24, 2020 at 9:25 AM Daniel Vetter <daniel@xxxxxxxx> wrote:
>
> On Fri, Jun 12, 2020 at 06:00:51PM +0200, Daniel Vetter wrote:
> > Now also comes with the added benefit of doing a drm_crtc_vblank_off(),
> > which means vblank state isn't ill-defined and fail-y at driver load
> > before the first modeset on each crtc.
> >
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> > Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> > Cc: Fabio Estevam <festevam@xxxxxxxxx>
> > Cc: NXP Linux Team <linux-imx@xxxxxxx>
> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>
> Ping for some ack/review on this pls.
Still looking for an ack here so I can land this entire pile.
-Daniel
>
> Thanks, Daniel
>
> > ---
> > drivers/gpu/drm/imx/ipuv3-crtc.c | 21 ++++++++-------------
> > 1 file changed, 8 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
> > index 63c0284f8b3c..02c2f848f2d1 100644
> > --- a/drivers/gpu/drm/imx/ipuv3-crtc.c
> > +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
> > @@ -109,20 +109,15 @@ static void imx_drm_crtc_reset(struct drm_crtc *crtc)
> > {
> > struct imx_crtc_state *state;
> >
> > - if (crtc->state) {
> > - if (crtc->state->mode_blob)
> > - drm_property_blob_put(crtc->state->mode_blob);
> > -
> > - state = to_imx_crtc_state(crtc->state);
> > - memset(state, 0, sizeof(*state));
> > - } else {
> > - state = kzalloc(sizeof(*state), GFP_KERNEL);
> > - if (!state)
> > - return;
> > - crtc->state = &state->base;
> > - }
> > + if (crtc->state)
> > + __drm_atomic_helper_crtc_destroy_state(crtc->state);
> >
> > - state->base.crtc = crtc;
> > + kfree(to_imx_crtc_state(crtc->state));
> > + crtc->state = NULL;
> > +
> > + state = kzalloc(sizeof(*state), GFP_KERNEL);
> > + if (state)
> > + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> > }
> >
> > static struct drm_crtc_state *imx_drm_crtc_duplicate_state(struct drm_crtc *crtc)
> > --
> > 2.26.2
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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