The encoder .atomic_check() and connector .mode_valid() operations both
walk through the dss devices in the pipeline to validate the mode.
Factor out the common code in a new omap_drm_connector_mode_fixup()
function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
Tested-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
Changes since v1:
- Remove unneeded NULL check for adjusted_mode in
omap_connector_mode_fixup()
---
drivers/gpu/drm/omapdrm/omap_connector.c | 56 +++++++++++++-----------
drivers/gpu/drm/omapdrm/omap_connector.h | 5 +++
drivers/gpu/drm/omapdrm/omap_encoder.c | 28 ++++--------
3 files changed, 44 insertions(+), 45 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
index 99ca5b3eaebb..6fceb020e86c 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -241,45 +241,51 @@ static int omap_connector_get_modes(struct drm_connector *connector)
return 0;
}
-static int omap_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
+enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- struct omap_connector *omap_connector = to_omap_connector(connector);
- struct omap_dss_device *dssdev;
- struct videomode vm = {0};
- struct drm_device *dev = connector->dev;
- struct drm_display_mode *new_mode;
- int r, ret = MODE_BAD;
+ struct videomode vm = { 0 };
+ int ret;
drm_display_mode_to_videomode(mode, &vm);
- mode->vrefresh = drm_mode_vrefresh(mode);
- for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) {
+ for (; dssdev; dssdev = dssdev->next) {
if (!dssdev->ops->check_timings)
continue;
- r = dssdev->ops->check_timings(dssdev, &vm);
- if (r)
- goto done;
+ ret = dssdev->ops->check_timings(dssdev, &vm);
+ if (ret)
+ return MODE_BAD;
}
- /* check if vrefresh is still valid */
- new_mode = drm_mode_duplicate(dev, mode);
- if (!new_mode)
- return MODE_BAD;
-
- new_mode->clock = vm.pixelclock / 1000;
- new_mode->vrefresh = 0;
- if (mode->vrefresh == drm_mode_vrefresh(new_mode))
- ret = MODE_OK;
- drm_mode_destroy(dev, new_mode);
+ drm_display_mode_from_videomode(&vm, adjusted_mode);
+
+ return MODE_OK;
+}
+
+static enum drm_mode_status omap_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct omap_connector *omap_connector = to_omap_connector(connector);
+ struct drm_display_mode new_mode = { { 0 } };
+ enum drm_mode_status status;
+
+ status = omap_connector_mode_fixup(omap_connector->output, mode,
+ &new_mode);
+ if (status != MODE_OK)
+ goto done;
+
+ /* Check if vrefresh is still valid. */
+ if (drm_mode_vrefresh(mode) != drm_mode_vrefresh(&new_mode))
+ status = MODE_NOCLOCK;
done:
DBG("connector: mode %s: " DRM_MODE_FMT,
- (ret == MODE_OK) ? "valid" : "invalid",
+ (status == MODE_OK) ? "valid" : "invalid",
DRM_MODE_ARG(mode));
- return ret;
+ return status;
}
static const struct drm_connector_funcs omap_connector_funcs = {
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h
index 4a1dcd0f031b..6b7d4d95e32b 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.h
+++ b/drivers/gpu/drm/omapdrm/omap_connector.h
@@ -22,6 +22,8 @@
#include <linux/types.h>
+enum drm_mode_status;
+
struct drm_connector;
struct drm_device;
struct drm_encoder;
@@ -34,5 +36,8 @@ struct drm_connector *omap_connector_init(struct drm_device *dev,
bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
void omap_connector_enable_hpd(struct drm_connector *connector);
void omap_connector_disable_hpd(struct drm_connector *connector);
+enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
#endif /* __OMAPDRM_CONNECTOR_H__ */
diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
index 623154bc44bb..3a7cca01888e 100644
--- a/drivers/gpu/drm/omapdrm/omap_encoder.c
+++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
@@ -206,29 +206,17 @@ 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);
- struct drm_device *dev = encoder->dev;
- struct omap_dss_device *dssdev;
- struct videomode vm = { 0 };
- int ret;
+ enum drm_mode_status status;
- drm_display_mode_to_videomode(&crtc_state->mode, &vm);
-
- for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) {
- if (!dssdev->ops->check_timings)
- continue;
-
- ret = dssdev->ops->check_timings(dssdev, &vm);
- if (ret)
- goto done;
+ status = omap_connector_mode_fixup(omap_encoder->output,
+ &crtc_state->mode,
+ &crtc_state->adjusted_mode);
+ if (status != MODE_OK) {
+ dev_err(encoder->dev->dev, "invalid timings: %d\n", status);
+ return -EINVAL;
}
- drm_display_mode_from_videomode(&vm, &crtc_state->adjusted_mode);
-
-done:
- if (ret)
- dev_err(dev->dev, "invalid timings: %d\n", ret);
-
- return ret;
+ return 0;
}
static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = {
--
Regards,
Laurent Pinchart
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