Re: [Intel-gfx] [PATCH v2 21/25] drm/edid: convert cea_db_iter_edid_begin() to drm_edid

["Nautiyal, Ankit K" <ankit.k.nautiyal@intel.com>]

LGTM.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

Regards,

Ankit

On 5/9/2022 5:33 PM, Jani Nikula wrote:
> We'll need to propagate drm_edid everywhere.
>
> v2: Handle NULL drm_edid
>
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
>   drivers/gpu/drm/drm_edid.c | 21 +++++++++++----------
>   1 file changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index f072cfba9dd9..bd14010ed1c5 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -4448,12 +4448,13 @@ static bool cea_db_is_vendor(const struct cea_db *db, int vendor_oui)
>   		oui(data[2], data[1], data[0]) == vendor_oui;
>   }
>   
> -static void cea_db_iter_edid_begin(const struct edid *edid, struct cea_db_iter *iter)
> +static void cea_db_iter_edid_begin(const struct drm_edid *drm_edid,
> +				   struct cea_db_iter *iter)
>   {
>   	memset(iter, 0, sizeof(*iter));
>   
> -	drm_edid_iter_begin(edid, &iter->edid_iter);
> -	displayid_iter_edid_begin(edid, &iter->displayid_iter);
> +	drm_edid_iter_begin(drm_edid ? drm_edid->edid : NULL, &iter->edid_iter);
> +	displayid_iter_edid_begin(drm_edid ? drm_edid->edid : NULL, &iter->displayid_iter);
>   }
>   
>   static const struct cea_db *
> @@ -4675,7 +4676,7 @@ static int add_cea_modes(struct drm_connector *connector,
>   	struct cea_db_iter iter;
>   	int modes = 0;
>   
> -	cea_db_iter_edid_begin(drm_edid->edid, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		const u8 *hdmi = NULL, *video = NULL;
>   		u8 hdmi_len = 0, video_len = 0;
> @@ -4926,7 +4927,7 @@ static void drm_edid_to_eld(struct drm_connector *connector,
>   	eld[DRM_ELD_PRODUCT_CODE0] = drm_edid->edid->prod_code[0];
>   	eld[DRM_ELD_PRODUCT_CODE1] = drm_edid->edid->prod_code[1];
>   
> -	cea_db_iter_edid_begin(drm_edid->edid, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		const u8 *data = cea_db_data(db);
>   		int len = cea_db_payload_len(db);
> @@ -4979,7 +4980,7 @@ static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
>   	struct cea_db_iter iter;
>   	int count = 0;
>   
> -	cea_db_iter_edid_begin(drm_edid ? drm_edid->edid : NULL, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		if (cea_db_tag(db) == CTA_DB_AUDIO) {
>   			int j;
> @@ -5032,7 +5033,7 @@ static int _drm_edid_to_speaker_allocation(const struct drm_edid *drm_edid,
>   	struct cea_db_iter iter;
>   	int count = 0;
>   
> -	cea_db_iter_edid_begin(drm_edid ? drm_edid->edid : NULL, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		if (cea_db_tag(db) == CTA_DB_SPEAKER &&
>   		    cea_db_payload_len(db) == 3) {
> @@ -5123,7 +5124,7 @@ static bool _drm_detect_hdmi_monitor(const struct drm_edid *drm_edid)
>   	 * Because HDMI identifier is in Vendor Specific Block,
>   	 * search it from all data blocks of CEA extension.
>   	 */
> -	cea_db_iter_edid_begin(drm_edid ? drm_edid->edid : NULL, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		if (cea_db_is_hdmi_vsdb(db)) {
>   			hdmi = true;
> @@ -5177,7 +5178,7 @@ static bool _drm_detect_monitor_audio(const struct drm_edid *drm_edid)
>   		goto end;
>   	}
>   
> -	cea_db_iter_edid_begin(drm_edid ? drm_edid->edid : NULL, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		if (cea_db_tag(db) == CTA_DB_AUDIO) {
>   			const u8 *data = cea_db_data(db);
> @@ -5536,7 +5537,7 @@ static void drm_parse_cea_ext(struct drm_connector *connector,
>   	}
>   	drm_edid_iter_end(&edid_iter);
>   
> -	cea_db_iter_edid_begin(drm_edid->edid, &iter);
> +	cea_db_iter_edid_begin(drm_edid, &iter);
>   	cea_db_iter_for_each(db, &iter) {
>   		/* FIXME: convert parsers to use struct cea_db */
>   		const u8 *data = (const u8 *)db;