On Wed, Sep 25, 2019 at 04:55:02PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> We depend on a specific relationship between the VIC number and the
> index in the CEA mode arrays. Assert that the arrays have the excpected
^^^expected
> size to make sure we've not accidentally left holes in them.
>
> v2: Pimp the BUILD_BUG_ON()s
>
> Cc: Hans Verkuil <hansverk@xxxxxxxxx>
> Cc: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
With the typo fixed,
Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Manasi
> ---
> drivers/gpu/drm/drm_edid.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 0007004d3221..06cac8e2afc2 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -3209,6 +3209,9 @@ static u8 *drm_find_cea_extension(const struct edid *edid)
>
> static const struct drm_display_mode *cea_mode_for_vic(u8 vic)
> {
> + BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
> + BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
> +
> if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
> return &edid_cea_modes_1[vic - 1];
> if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
> --
> 2.21.0
>
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