Hi,
On Wed, Jun 06, 2018 at 12:36:33PM +0300, Laurent Pinchart wrote:
> Various functions that need to differentiate between omap_dss_device
> instances corresponding to displays and to internal encoders use the
> omap_dss_device.driver field, which is only set for display instances.
> This gets in the way of the omap_dss_device operations refactoring.
> Replace that with a check based on the output_type field which is set
> for all omap_dss_device instances but displays.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
-- Sebastian
> drivers/gpu/drm/omapdrm/dss/base.c | 4 ++--
> drivers/gpu/drm/omapdrm/dss/omapdss.h | 6 ++++++
> 2 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
> index cce09a48d769..6a73d3559257 100644
> --- a/drivers/gpu/drm/omapdrm/dss/base.c
> +++ b/drivers/gpu/drm/omapdrm/dss/base.c
> @@ -165,7 +165,7 @@ struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from,
> * Filter out non-display entries if display_only is set, and
> * non-output entries if output_only is set.
> */
> - if (display_only && !dssdev->driver)
> + if (display_only && dssdev->output_type)
> continue;
> if (output_only && (!dssdev->id || !dssdev->next))
> continue;
> @@ -224,7 +224,7 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
> dev_dbg(src->dev, "disconnect\n");
>
> if (!omapdss_device_is_connected(dst)) {
> - WARN_ON(!dst->driver);
> + WARN_ON(dst->output_type);
> return;
> }
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> index 3bfb62b28a77..ae30802f2151 100644
> --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> @@ -401,6 +401,12 @@ struct omap_dss_device {
> unsigned int alias_id;
>
> enum omap_display_type type;
> + /*
> + * DSS output type that this device generates (for DSS internal devices)
> + * or requires (for external encoders). Must be OMAP_DISPLAY_TYPE_NONE
> + * for display devices (connectors and panels) and to non-zero value for
> + * all other devices.
> + */
> enum omap_display_type output_type;
>
> const char *name;
> --
> Regards,
>
> Laurent Pinchart
>
> _______________________________________________
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> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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