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Message-ID: <1672691.6TUgGLsHUb@avalon>
Date: Fri, 28 Sep 2018 18:05:18 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Souptick Joarder <jrdr.linux@...il.com>
Cc: Gustavo Padovan <gustavo@...ovan.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
sean@...rly.run, airlied@...ux.ie, Daniel Vetter <daniel@...ll.ch>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] drm/rcar-du: Convert drm_atomic_helper_suspend/resume()
Hi Souptick,
Thank you for the patch.
On Thursday, 27 September 2018 09:34:18 EEST Souptick Joarder wrote:
> On Tue, Sep 18, 2018 at 10:05 PM Souptick Joarder wrote:
> > convert drm_atomic_helper_suspend/resume() to use
> > drm_mode_config_helper_suspend/resume().
> >
> > remove suspend_state field from the rcar_du_device
> > structure as it is no more required.
> >
> > With this conversion, also drm_fbdev_cma_set_suspend_unlocked()
> > will left with no consumer. So this function can be removed.
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
>
> Laurent, any comment on this patch ??
Sorry for the delay, and thanks for pinging me.
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Should I apply this to my tree or do you plan to merge it through drm-misc as
it touches drm_fb_cma_helper.c ?
> > ---
> >
> > drivers/gpu/drm/drm_fb_cma_helper.c | 18 ------------------
> > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 21 ++-------------------
> > drivers/gpu/drm/rcar-du/rcar_du_drv.h | 1 -
> > include/drm/drm_fb_cma_helper.h | 2 --
> > 4 files changed, 2 insertions(+), 40 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c
> > b/drivers/gpu/drm/drm_fb_cma_helper.c index 47e0e2f..96efc88 100644
> > --- a/drivers/gpu/drm/drm_fb_cma_helper.c
> > +++ b/drivers/gpu/drm/drm_fb_cma_helper.c
> > @@ -224,21 +224,3 @@ void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma
> > *fbdev_cma)>
> > drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
> >
> > }
> > EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
> >
> > -
> > -/**
> > - * drm_fbdev_cma_set_suspend_unlocked - wrapper around
> > - *
> > drm_fb_helper_set_suspend_unlocked
> > - * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
> > - * @state: desired state, zero to resume, non-zero to suspend
> > - *
> > - * Calls drm_fb_helper_set_suspend, which is a wrapper around
> > - * fb_set_suspend implemented by fbdev core.
> > - */
> > -void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
> > - bool state)
> > -{
> > - if (fbdev_cma)
> > - drm_fb_helper_set_suspend_unlocked(&fbdev_cma->fb_helper,
> > - state);
> > -}
> > -EXPORT_SYMBOL(drm_fbdev_cma_set_suspend_unlocked);
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 02aee6c..288220f 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > @@ -357,32 +357,15 @@ static void rcar_du_lastclose(struct drm_device
> > *dev)
> >
> > static int rcar_du_pm_suspend(struct device *dev)
> > {
> >
> > struct rcar_du_device *rcdu = dev_get_drvdata(dev);
> >
> > - struct drm_atomic_state *state;
> >
> > - drm_kms_helper_poll_disable(rcdu->ddev);
> > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, true);
> > -
> > - state = drm_atomic_helper_suspend(rcdu->ddev);
> > - if (IS_ERR(state)) {
> > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, false);
> > - drm_kms_helper_poll_enable(rcdu->ddev);
> > - return PTR_ERR(state);
> > - }
> > -
> > - rcdu->suspend_state = state;
> > -
> > - return 0;
> > + return drm_mode_config_helper_suspend(rcdu->ddev);
> >
> > }
> >
> > static int rcar_du_pm_resume(struct device *dev)
> > {
> >
> > struct rcar_du_device *rcdu = dev_get_drvdata(dev);
> >
> > - drm_atomic_helper_resume(rcdu->ddev, rcdu->suspend_state);
> > - drm_fbdev_cma_set_suspend_unlocked(rcdu->fbdev, false);
> > - drm_kms_helper_poll_enable(rcdu->ddev);
> > -
> > - return 0;
> > + return drm_mode_config_helper_resume(rcdu->ddev);
> >
> > }
> > #endif
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index b3a25e8..ff25c8d 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > @@ -78,7 +78,6 @@ struct rcar_du_device {
> >
> > struct drm_device *ddev;
> > struct drm_fbdev_cma *fbdev;
> >
> > - struct drm_atomic_state *suspend_state;
> >
> > struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
> > unsigned int num_crtcs;
> >
> > diff --git a/include/drm/drm_fb_cma_helper.h
> > b/include/drm/drm_fb_cma_helper.h index 4a65f0d..8dbbe1e 100644
> > --- a/include/drm/drm_fb_cma_helper.h
> > +++ b/include/drm/drm_fb_cma_helper.h
> > @@ -26,8 +26,6 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct
> > drm_device *dev,>
> > void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
> > void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
> >
> > -void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
> > - bool state);
> >
> > struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer
> > *fb,
> > unsigned int plane);
--
Regards,
Laurent Pinchart
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