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.pinch...@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk>
---
Changes since v2:
- Fixed checkpatch warning
- Picked Sebastian's R-b tag
drivers/gpu/drm/omapdrm/dss/base.c | 5 +++--
drivers/gpu/drm/omapdrm/dss/omapdss.h | 6 ++++++
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c
b/drivers/gpu/drm/omapdrm/dss/base.c
index 2051bab30484..614331b7d702 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -164,7 +164,8 @@ struct omap_dss_device *omapdss_device_get_next(struct
omap_dss_device *from,
* Accept display entities if the display type is requested,
* and output entities if the output type is requested.
*/
- if ((type & OMAP_DSS_DEVICE_TYPE_DISPLAY) && dssdev->driver)
+ if ((type & OMAP_DSS_DEVICE_TYPE_DISPLAY) &&
+ !dssdev->output_type)
goto done;
if ((type & OMAP_DSS_DEVICE_TYPE_OUTPUT) && dssdev->id &&
dssdev->next)
@@ -223,7 +224,7 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
dev_dbg(dst->dev, "disconnect\n");
if (!dst->id && !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 c29633765898..6d22b38f2ce5 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -406,6 +406,12 @@ 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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