diff options
Diffstat (limited to 'drivers/gpu/drm/drm_probe_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_probe_helper.c | 64 |
1 files changed, 43 insertions, 21 deletions
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index e70f54d4a581..8afdd0998a8c 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -82,26 +82,8 @@ static void drm_mode_validate_flag(struct drm_connector *connector, return; } -/** - * drm_helper_probe_single_connector_modes - get complete set of display modes - * @connector: connector to probe - * @maxX: max width for modes - * @maxY: max height for modes - * - * Based on the helper callbacks implemented by @connector try to detect all - * valid modes. Modes will first be added to the connector's probed_modes list, - * then culled (based on validity and the @maxX, @maxY parameters) and put into - * the normal modes list. - * - * Intended to be use as a generic implementation of the ->fill_modes() - * @connector vfunc for drivers that use the crtc helpers for output mode - * filtering and detection. - * - * Returns: - * The number of modes found on @connector. - */ -int drm_helper_probe_single_connector_modes(struct drm_connector *connector, - uint32_t maxX, uint32_t maxY) +static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connector *connector, + uint32_t maxX, uint32_t maxY, bool merge_type_bits) { struct drm_device *dev = connector->dev; struct drm_display_mode *mode; @@ -155,7 +137,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, if (count == 0) goto prune; - drm_mode_connector_list_update(connector); + drm_mode_connector_list_update(connector, merge_type_bits); if (maxX && maxY) drm_mode_validate_size(dev, &connector->modes, maxX, maxY); @@ -194,9 +176,49 @@ prune: return count; } + +/** + * drm_helper_probe_single_connector_modes - get complete set of display modes + * @connector: connector to probe + * @maxX: max width for modes + * @maxY: max height for modes + * + * Based on the helper callbacks implemented by @connector try to detect all + * valid modes. Modes will first be added to the connector's probed_modes list, + * then culled (based on validity and the @maxX, @maxY parameters) and put into + * the normal modes list. + * + * Intended to be use as a generic implementation of the ->fill_modes() + * @connector vfunc for drivers that use the crtc helpers for output mode + * filtering and detection. + * + * Returns: + * The number of modes found on @connector. + */ +int drm_helper_probe_single_connector_modes(struct drm_connector *connector, + uint32_t maxX, uint32_t maxY) +{ + return drm_helper_probe_single_connector_modes_merge_bits(connector, maxX, maxY, true); +} EXPORT_SYMBOL(drm_helper_probe_single_connector_modes); /** + * drm_helper_probe_single_connector_modes_nomerge - get complete set of display modes + * @connector: connector to probe + * @maxX: max width for modes + * @maxY: max height for modes + * + * This operates like drm_hehlper_probe_single_connector_modes except it + * replaces the mode bits instead of merging them for preferred modes. + */ +int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector *connector, + uint32_t maxX, uint32_t maxY) +{ + return drm_helper_probe_single_connector_modes_merge_bits(connector, maxX, maxY, false); +} +EXPORT_SYMBOL(drm_helper_probe_single_connector_modes_nomerge); + +/** * drm_kms_helper_hotplug_event - fire off KMS hotplug events * @dev: drm_device whose connector state changed * |