From 6aa145bc943d34bf05f2bc24ea3aa36d70470f1d Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Wed, 29 Jun 2022 12:27:49 +0300 Subject: drm/edid: abstract debugfs override EDID set/reset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add functions drm_edid_override_set() and drm_edid_override_reset() to support "edid_override" connector debugfs, and to hide the details about it in drm_edid.c. No functional changes at this time. Also note in the connector.override_edid flag kernel-doc that this is only supposed to be modified by the code doing debugfs EDID override handling. Currently, it is still being modified by amdgpu in create_eml_sink() and handle_edid_mgmt() for reasons unknown. This was added in commit 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)") and later moved to amdgpu_dm.c in commit e7b07ceef2a6 ("drm/amd/display: Merge amdgpu_dm_types and amdgpu_dm"). Signed-off-by: Jani Nikula Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/8f6b4001630cafac5f44aa5913429ac9979743d2.1656494768.git.jani.nikula@intel.com --- include/drm/drm_connector.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'include/drm') diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 94b422b55cc1..a1705d6b3fba 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1527,7 +1527,11 @@ struct drm_connector { struct drm_cmdline_mode cmdline_mode; /** @force: a DRM_FORCE_ state for forced mode sets */ enum drm_connector_force force; - /** @override_edid: has the EDID been overwritten through debugfs for testing? */ + /** + * @override_edid: has the EDID been overwritten through debugfs for + * testing? Do not modify outside of drm_edid_override_set() and + * drm_edid_override_reset(). + */ bool override_edid; /** @epoch_counter: used to detect any other changes in connector, besides status */ u64 epoch_counter; -- cgit v1.2.3