On Tue, 05 Mar 2024, Hsin-Yi Wang <hsi...@chromium.org> wrote:
> Currently edid quirks are matched by panel id only.
>
> Modify it to match with identity so it's easier to be extended
> for more complex matching if required.
>
> Suggested-by: Jani Nikula <jani.nik...@linux.intel.com>
> Signed-off-by: Hsin-Yi Wang <hsi...@chromium.org>

Reviewed-by: Jani Nikula <jani.nik...@intel.com>

> ---
> v4: new
> Per discussion https://lore.kernel.org/lkml/87a5nd4tsg....@intel.com/
> ---
>  drivers/gpu/drm/drm_edid.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 5e7e69e0e345..93a49b262dbe 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -114,13 +114,15 @@ struct drm_edid_ident_closure {
>  
>  #define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
>  { \
> -     .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, 
> vend_chr_2, \
> -                                          product_id), \
> +     .ident = { \
> +             .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, \
> +                                                  vend_chr_2, product_id), \
> +     }, \
>       .quirks = _quirks \
>  }
>  
>  static const struct edid_quirk {
> -     u32 panel_id;
> +     const struct drm_edid_ident ident;
>       u32 quirks;
>  } edid_quirk_list[] = {
>       /* Acer AL1706 */
> @@ -2921,16 +2923,17 @@ EXPORT_SYMBOL(drm_edid_duplicate);
>   * @drm_edid: EDID to process
>   *
>   * This tells subsequent routines what fixes they need to apply.
> + *
> + * Return: A u32 represents the quirks to apply.
>   */
>  static u32 edid_get_quirks(const struct drm_edid *drm_edid)
>  {
> -     u32 panel_id = edid_extract_panel_id(drm_edid->edid);
>       const struct edid_quirk *quirk;
>       int i;
>  
>       for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
>               quirk = &edid_quirk_list[i];
> -             if (quirk->panel_id == panel_id)
> +             if (drm_edid_match_identity(drm_edid, &quirk->ident))
>                       return quirk->quirks;
>       }

-- 
Jani Nikula, Intel

Reply via email to