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SubjectRe: [PATCH 3/4] drm/bridge: dw-hdmi: do not force "none" scan mode
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On 29/02/2020 17:30, Jernej Skrabec wrote:
> From: Jonas Karlman <jonas@kwiboo.se>
>
> Setting scan mode to "none" confuses some TVs like LG B8, which randomly
> change overscan procentage over time. Digital outputs like HDMI and DVI,
> handled by this controller, don't really need overscan, so we can always
> set scan mode to underscan. Actually, this is exactly what
> drm_hdmi_avi_infoframe_from_display_mode() already does, so we can just
> remove offending line.
>
> Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
> [updated commit message]
> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> ---
> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 9d7bfb1cb213..3d6021119942 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -1655,8 +1655,6 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
> HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
> }
>
> - frame.scan_mode = HDMI_SCAN_MODE_NONE;
> -
> /*
> * The Designware IP uses a different byte format from standard
> * AVI info frames, though generally the bits are in the correct
>

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

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