Re: [PATCH 02/25] drm/edid: convert drm_for_each_detailed_block() to edid iter

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On Fri, May 06, 2022 at 01:10:09PM +0300, Jani Nikula wrote:
> We have an iterator for this, use it. It does include the base block,
> but its tag is 0 and will be skipped.
> 
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/drm_edid.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index efc1999b9573..dcef92c8887a 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -2574,6 +2574,8 @@ vtb_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
>  static void
>  drm_for_each_detailed_block(const struct edid *edid, detailed_cb *cb, void *closure)
>  {
> +	struct drm_edid_iter edid_iter;
> +	const u8 *ext;
>  	int i;
>  
>  	if (edid == NULL)
> @@ -2582,9 +2584,8 @@ drm_for_each_detailed_block(const struct edid *edid, detailed_cb *cb, void *clos
>  	for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
>  		cb(&(edid->detailed_timings[i]), closure);
>  
> -	for (i = 0; i < edid_extension_block_count(edid); i++) {
> -		const u8 *ext = edid_extension_block_data(edid, i);
> -
> +	drm_edid_iter_begin(edid, &edid_iter);
> +	drm_edid_iter_for_each(ext, &edid_iter) {
>  		switch (*ext) {
>  		case CEA_EXT:
>  			cea_for_each_detailed_block(ext, cb, closure);
> @@ -2596,6 +2597,7 @@ drm_for_each_detailed_block(const struct edid *edid, detailed_cb *cb, void *clos
>  			break;
>  		}
>  	}
> +	drm_edid_iter_end(&edid_iter);
>  }
>  
>  static void
> -- 
> 2.30.2

-- 
Ville Syrjälä
Intel



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