From aab5aaa760a3305d188612dd4a6ff4cde1b153d8 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 17 Nov 2022 10:28:46 +0100 Subject: drm/connector: Only register TV mode property if present MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The drm_create_tv_properties() will create the TV mode property unconditionally. However, since we'll gradually phase it out, let's register it only if we have a list passed as an argument. This will make the transition easier. Acked-by: Noralf Trønnes Tested-by: Mateusz Kwiatkowski Acked-in-principle-or-something-like-that-by: Daniel Vetter Link: https://lore.kernel.org/r/20220728-rpi-analog-tv-properties-v10-3-256dad125326@cerno.tech Signed-off-by: Maxime Ripard --- drivers/gpu/drm/drm_connector.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/drm_connector.c') diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 05edff79d312..78fcffae100b 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1690,15 +1690,18 @@ int drm_mode_create_tv_properties(struct drm_device *dev, if (drm_mode_create_tv_margin_properties(dev)) goto nomem; - dev->mode_config.legacy_tv_mode_property = - drm_property_create(dev, DRM_MODE_PROP_ENUM, - "mode", num_modes); - if (!dev->mode_config.legacy_tv_mode_property) - goto nomem; - for (i = 0; i < num_modes; i++) - drm_property_add_enum(dev->mode_config.legacy_tv_mode_property, - i, modes[i]); + if (num_modes) { + dev->mode_config.legacy_tv_mode_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM, + "mode", num_modes); + if (!dev->mode_config.legacy_tv_mode_property) + goto nomem; + + for (i = 0; i < num_modes; i++) + drm_property_add_enum(dev->mode_config.legacy_tv_mode_property, + i, modes[i]); + } dev->mode_config.tv_brightness_property = drm_property_create_range(dev, 0, "brightness", 0, 100); -- cgit v1.2.3