Add a new helper to call crtc->mode_valid, connector->mode_valid
and encoder->mode_valid callbacks.
Suggested-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Jose Abreu <joab...@synopsys.com>
Cc: Carlos Palminha <palmi...@synopsys.com>
Cc: Alexey Brodkin <abrod...@synopsys.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
Cc: Dave Airlie <airl...@linux.ie>
Cc: Andrzej Hajda <a.ha...@samsung.com>
Cc: Archit Taneja <arch...@codeaurora.org>
---
Changes v2->v3:
- Move helpers to drm_probe_helper.c (Daniel)
- Squeeze patches that introduce the helpers into a single
one (Daniel)
drivers/gpu/drm/drm_crtc_helper_internal.h | 13 ++++++++++
drivers/gpu/drm/drm_probe_helper.c | 38 ++++++++++++++++++++++++++++++
2 files changed, 51 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h
b/drivers/gpu/drm/drm_crtc_helper_internal.h
index 28295e5..97dfe20 100644
--- a/drivers/gpu/drm/drm_crtc_helper_internal.h
+++ b/drivers/gpu/drm/drm_crtc_helper_internal.h
@@ -26,7 +26,11 @@
* implementation details and are not exported to drivers.
*/
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
#include <drm/drm_dp_helper.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_modes.h>
/* drm_fb_helper.c */
#ifdef CONFIG_DRM_FBDEV_EMULATION
@@ -62,4 +66,13 @@ static inline int drm_dp_aux_register_devnode(struct
drm_dp_aux *aux)
static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
{
}
+
+/* drm_probe_helper.c */
+enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode);
+enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode
*mode);
+enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode);
+
#endif
diff --git a/drivers/gpu/drm/drm_probe_helper.c
b/drivers/gpu/drm/drm_probe_helper.c
index 1b0c14a..f01abdc 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -38,6 +38,9 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+
+#include "drm_crtc_helper_internal.h"
/**
* DOC: output probing helper overview
@@ -113,6 +116,41 @@ static int drm_helper_probe_add_cmdline_mode(struct
drm_connector *connector)
return 1;
}
+enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ if (!crtc_funcs || !crtc_funcs->mode_valid)
+ return MODE_OK;
+
+ return crtc_funcs->mode_valid(crtc, mode);
+}
+
+enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_encoder_helper_funcs *encoder_funcs =
+ encoder->helper_private;
+
+ if (!encoder_funcs || !encoder_funcs->mode_valid)
+ return MODE_OK;
+
+ return encoder_funcs->mode_valid(encoder, mode);
+}
+
+enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ const struct drm_connector_helper_funcs *connector_funcs =
+ connector->helper_private;
+
+ if (!connector_funcs || !connector_funcs->mode_valid)
+ return MODE_OK;
+
+ return connector_funcs->mode_valid(connector, mode);
+}
+
#define DRM_OUTPUT_POLL_PERIOD (10*HZ)
/**
* drm_kms_helper_poll_enable - re-enable output polling.
--
1.9.1
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