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drm: Add drm_{crtc/encoder/connector}_mode_valid() 

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: Dave Airlie <airlied@linux.ie>

Changes v2->v3:
	- Move helpers to drm_probe_helper.c (Daniel)
	- Squeeze patches that introduce helpers into a single
	one (Daniel)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
[danvet: Make it compile when CONFIG_DRM_DP_AUX_CHARDEV is selected.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/b55c8bd029da219ff04e39086025c115731a49b1.1495720737.git.joabreu@synopsys.com
This commit is contained in:
Jose Abreu 2017-05-25 15:19:13 +01:00 committed by Daniel Vetter
parent 18e51064c4
commit da251bf8f9
2 changed files with 50 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/drm_crtc_helper_internal.h
View File

@ -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
@ -63,3 +67,11 @@ static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
{
}
#endif
/* 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);

38
drivers/gpu/drm/drm_probe_helper.c
View File

@ -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.