[PATCH v2] drm/panel: simple: Tune timing for ET057090DHU

[Francesco Dolcini]

Hello all,
just a gently ping on this patch.

Any concern? We (Toradex) added this panel long time ago and we are
using this updated timing since a long time now.

Francesco

On Thu, Jan 27, 2022 at 12:48:10PM +0100, Francesco Dolcini wrote:
> From: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>
> 
> VESA Display Monitor Timing v1.13 has recommendations for the historical
> VGA mode 640x480 60Hz. These parameters are compatible with EDT
> ET057090DHU recommended timings.
> 
> Use VESA DMT timing parameters for EDT ET057090DHU panel.
> 
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>
> Cc: Oleksandr Suvorov <oleksandr.suvorov at foundries.io>
> Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
> ---
> v2: removed stale vrefresh field
> ---
>  drivers/gpu/drm/panel/panel-simple.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 0c8786ebffd1..52e936dd2d6f 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1598,12 +1598,12 @@ static const struct drm_display_mode edt_et057090dhu_mode = {
>  	.clock = 25175,
>  	.hdisplay = 640,
>  	.hsync_start = 640 + 16,
> -	.hsync_end = 640 + 16 + 30,
> -	.htotal = 640 + 16 + 30 + 114,
> +	.hsync_end = 640 + 16 + 48,
> +	.htotal = 640 + 16 + 48 + 96,
>  	.vdisplay = 480,
>  	.vsync_start = 480 + 10,
> -	.vsync_end = 480 + 10 + 3,
> -	.vtotal = 480 + 10 + 3 + 32,
> +	.vsync_end = 480 + 10 + 2,
> +	.vtotal = 480 + 10 + 2 + 33,
>  	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
>  };
>  
> -- 
> 2.25.1
>