Add a new helper to call crtc->mode_valid, connector->mode_valid and encoder->mode_valid callbacks.
Suggested-by: Ville Syrjälä ville.syrjala@linux.intel.com Signed-off-by: Jose Abreu joabreu@synopsys.com Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch Reviewed-by: Andrzej Hajda a.hajda@samsung.com Cc: Carlos Palminha palminha@synopsys.com Cc: Alexey Brodkin abrodkin@synopsys.com Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: Daniel Vetter daniel.vetter@ffwll.ch Cc: Dave Airlie airlied@linux.ie Cc: Andrzej Hajda a.hajda@samsung.com Cc: Archit Taneja architt@codeaurora.org Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com --- 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.