linux-kernel - Re: [PATCH v2 1/7] drm/connector: hdmi: Evaluate limited range after computing format

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Message-ID: <fgimm4muxrk2g5wclquhj6nxk6o3ioj4tqaczgaabswpany4kf@oi5lvsfg474v>
Date: Tue, 11 Mar 2025 21:36:06 +0200
From: Dmitry Baryshkov <lumag@...nel.org>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Dave Stevenson <dave.stevenson@...pberrypi.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
	kernel@...labora.com, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/7] drm/connector: hdmi: Evaluate limited range after
 computing format

On Tue, Mar 11, 2025 at 12:57:33PM +0200, Cristian Ciocaltea wrote:
> Evaluating the requirement to use a limited RGB quantization range
> involves a verification of the output format, among others, but this is
> currently performed before actually computing the format, hence relying
> on the old connector state.
> 
> Move the call to hdmi_is_limited_range() after hdmi_compute_config() to
> ensure the verification is done on the updated output format.
> 
> Fixes: 027d43590649 ("drm/connector: hdmi: Add RGB Quantization Range to the connector state")
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> ---
>  drivers/gpu/drm/display/drm_hdmi_state_helper.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <lumag@...nel.org>

-- 
With best wishes
Dmitry