Hi,

On Wed, Dec 05, 2018 at 05:00:15PM +0200, Laurent Pinchart wrote:
> The DISPC timings checks relate to the CRTC, but they're performed in
> the encoder and connector .atomic_check() and .mode_valid() operations.
> Move them to the CRTC .mode_valid() operation.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.com>

This should also fix the issue with DSI in a less ugly way:

https://lists.freedesktop.org/archives/dri-devel/2018-November/196622.html

-- Sebastian

>  drivers/gpu/drm/omapdrm/omap_connector.c | 6 ------
>  drivers/gpu/drm/omapdrm/omap_crtc.c      | 9 +++++++++
>  drivers/gpu/drm/omapdrm/omap_encoder.c   | 6 ------
>  3 files changed, 9 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c 
> b/drivers/gpu/drm/omapdrm/omap_connector.c
> index 8db1f2fbcf43..dd1e0f2e8ffc 100644
> --- a/drivers/gpu/drm/omapdrm/omap_connector.c
> +++ b/drivers/gpu/drm/omapdrm/omap_connector.c
> @@ -245,8 +245,6 @@ static int omap_connector_mode_valid(struct drm_connector 
> *connector,
>                                struct drm_display_mode *mode)
>  {
>       struct omap_connector *omap_connector = to_omap_connector(connector);
> -     enum omap_channel channel = omap_connector->output->dispc_channel;
> -     struct omap_drm_private *priv = connector->dev->dev_private;
>       struct omap_dss_device *dssdev;
>       struct videomode vm = {0};
>       struct drm_device *dev = connector->dev;
> @@ -256,10 +254,6 @@ static int omap_connector_mode_valid(struct 
> drm_connector *connector,
>       drm_display_mode_to_videomode(mode, &vm);
>       mode->vrefresh = drm_mode_vrefresh(mode);
>  
> -     r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm);
> -     if (r)
> -             goto done;
> -
>       for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) {
>               if (!dssdev->ops->check_timings)
>                       continue;
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c 
> b/drivers/gpu/drm/omapdrm/omap_crtc.c
> index caffc547ef97..51036e6fca1c 100644
> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
> @@ -391,6 +391,15 @@ static enum drm_mode_status omap_crtc_mode_valid(struct 
> drm_crtc *crtc,
>                                       const struct drm_display_mode *mode)
>  {
>       struct omap_drm_private *priv = crtc->dev->dev_private;
> +     struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
> +     struct videomode vm = {0};
> +     int r;
> +
> +     drm_display_mode_to_videomode(mode, &vm);
> +     r = priv->dispc_ops->mgr_check_timings(priv->dispc, omap_crtc->channel,
> +                                            &vm);
> +     if (r)
> +             return r;
>  
>       /* Check for bandwidth limit */
>       if (priv->max_bandwidth) {
> diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c 
> b/drivers/gpu/drm/omapdrm/omap_encoder.c
> index 79ee927cd905..7d01df6fa723 100644
> --- a/drivers/gpu/drm/omapdrm/omap_encoder.c
> +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
> @@ -198,19 +198,13 @@ static int omap_encoder_atomic_check(struct drm_encoder 
> *encoder,
>                                    struct drm_connector_state *conn_state)
>  {
>       struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
> -     enum omap_channel channel = omap_encoder->output->dispc_channel;
>       struct drm_device *dev = encoder->dev;
> -     struct omap_drm_private *priv = dev->dev_private;
>       struct omap_dss_device *dssdev;
>       struct videomode vm = { 0 };
>       int ret;
>  
>       drm_display_mode_to_videomode(&crtc_state->mode, &vm);
>  
> -     ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm);
> -     if (ret)
> -             goto done;
> -
>       for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) {
>               if (!dssdev->ops->check_timings)
>                       continue;
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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