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author | Jose Abreu <Jose.Abreu@synopsys.com> | 2017-05-25 15:19:13 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-05-30 08:37:24 +0200 |
commit | da251bf8f93513519a3c18b2b2290557ea5ba860 (patch) | |
tree | f082ffc6ad4a8c7df488342bbe2283808d52205e /drivers/gpu | |
parent | 18e51064c42ca3945b94dd4652156b62457962bc (diff) | |
download | op-kernel-dev-da251bf8f93513519a3c18b2b2290557ea5ba860.zip op-kernel-dev-da251bf8f93513519a3c18b2b2290557ea5ba860.tar.gz |
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
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/drm_crtc_helper_internal.h | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 38 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h index 28295e5..b5ac158 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 @@ -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); 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. |