Commit 6d987ddd authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/edid: make drm_edid_header_is_valid() accept void pointer 



It will be useful to accept a struct edid *, but for compatibility with
existing usage accept void *.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/33fbe1615a3bd82112eaf4077bbb521793cbb91a.1648752228.git.jani.nikula@intel.com
parent 4ba0f53c

drivers/gpu/drm/drm_edid.c

+5 −3
Original line number Diff line number Diff line
@@ -1580,13 +1580,15 @@ static const u8 edid_header[] = { 
 *

 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.

 */

int drm_edid_header_is_valid(const u8 *raw_edid)

int drm_edid_header_is_valid(const void *_edid)

{

	const struct edid *edid = _edid;

	int i, score = 0;



	for (i = 0; i < sizeof(edid_header); i++)

		if (raw_edid[i] == edid_header[i])

	for (i = 0; i < sizeof(edid_header); i++) {

		if (edid->header[i] == edid_header[i])

			score++;

	}



	return score;

}

include/drm/drm_edid.h

+1 −1
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ int drm_add_modes_noedid(struct drm_connector *connector, 
void drm_set_preferred_mode(struct drm_connector *connector,

			    int hpref, int vpref);



int drm_edid_header_is_valid(const u8 *raw_edid);

int drm_edid_header_is_valid(const void *edid);

bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,

			  bool *edid_corrupt);

bool drm_edid_is_valid(struct edid *edid);