Commit 5ef88dc5 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/edid: use the new displayid iterator for detailed modes 



Neatly reduce displayid boilerplate in code. No functional changes.

Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f6c69c545c553c4a616887540660a4b8aecf0f7f.1617024940.git.jani.nikula@intel.com
parent 1a24c364

drivers/gpu/drm/drm_edid.c

+6 −17
Original line number Diff line number Diff line
@@ -5333,27 +5333,16 @@ static int add_displayid_detailed_1_modes(struct drm_connector *connector, 
static int add_displayid_detailed_modes(struct drm_connector *connector,

					struct edid *edid)

{

	const u8 *displayid;

	int length, idx;

	const struct displayid_block *block;

	struct displayid_iter iter;

	int num_modes = 0;

	int ext_index = 0;



	for (;;) {

		displayid = drm_find_displayid_extension(edid, &length, &idx,

							 &ext_index);

		if (!displayid)

			break;



		idx += sizeof(struct displayid_hdr);

		for_each_displayid_db(displayid, block, idx, length) {

			switch (block->tag) {

			case DATA_BLOCK_TYPE_1_DETAILED_TIMING:

	displayid_iter_edid_begin(edid, &iter);

	displayid_iter_for_each(block, &iter) {

		if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)

			num_modes += add_displayid_detailed_1_modes(connector, block);

				break;

			}

		}

	}

	displayid_iter_end(&iter);



	return num_modes;

}