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Message-ID: <86b55b41-3faf-dbb8-a072-9a905d111eaa@linaro.org>
Date:   Fri, 17 Feb 2023 11:20:12 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Carlo Caione <ccaione@...libre.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Da Xue <da@...sconfused.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/meson/meson_venc: Relax the supported mode checks

On 13/02/2023 10:32, Carlo Caione wrote:
> Relax a bit the supported modes list by including also 480x1920 and
> 400x1280. This was actually tested on real hardware and it works
> correctly.
> 
> Signed-off-by: Carlo Caione <ccaione@...libre.com>
> ---
> In particular relax the resolution checks to allow more resolutions like
> 480x1920 and 400x1280.
> ---
> Changes in v2:
> - Lower the hdisplay limit to support 400x1280 as well.
> - Link to v1: https://lore.kernel.org/r/20230210-relax_dmt_limits-v1-0-a1474624d530@baylibre.com
> ---
>   drivers/gpu/drm/meson/meson_venc.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/meson/meson_venc.c b/drivers/gpu/drm/meson/meson_venc.c
> index 3c55ed003359..fcd532db19c1 100644
> --- a/drivers/gpu/drm/meson/meson_venc.c
> +++ b/drivers/gpu/drm/meson/meson_venc.c
> @@ -866,10 +866,10 @@ meson_venc_hdmi_supported_mode(const struct drm_display_mode *mode)
>   			    DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))
>   		return MODE_BAD;
>   
> -	if (mode->hdisplay < 640 || mode->hdisplay > 1920)
> +	if (mode->hdisplay < 400 || mode->hdisplay > 1920)
>   		return MODE_BAD_HVALUE;
>   
> -	if (mode->vdisplay < 480 || mode->vdisplay > 1200)
> +	if (mode->vdisplay < 480 || mode->vdisplay > 1920)
>   		return MODE_BAD_VVALUE;
>   
>   	return MODE_OK;
> 
> ---
> base-commit: 38c1e0c65865426676123cc9a127526fa02bcac6
> change-id: 20230210-relax_dmt_limits-355e2a1c7ccf
> 
> Best regards,

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

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