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Message-ID: <30648f19-f25b-49cc-94f1-213bc96c67f4@linaro.org>
Date: Tue, 6 Feb 2024 09:17:47 +0100
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From: Neil Armstrong <neil.armstrong@linaro.org>
Reply-To: neil.armstrong@linaro.org
Subject: Re: [PATCH 5/5] drm/panel: simple: push blanking limit on RK32FN48H
To: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Maxime Coquelin <mcoquelin.stm32@gmail.com>,
 Alexandre Torgue <alexandre.torgue@foss.st.com>,
 Jessica Zhang <quic_jesszhan@quicinc.com>, Sam Ravnborg <sam@ravnborg.org>,
 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
 Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>,
 David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
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References: <20240205-ltdc_mp13-v1-0-116d43ebba75@foss.st.com>
 <20240205-ltdc_mp13-v1-5-116d43ebba75@foss.st.com>
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On 05/02/2024 10:26, Raphael Gallais-Pou wrote:
> Push horizontal front porch and vertical back porch blanking limit.
> This allows to get a 60 fps sharp.
> 
> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
> ---
>   drivers/gpu/drm/panel/panel-simple.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 7b286382ffb4..10b361d603be 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -3516,10 +3516,10 @@ static const struct display_timing rocktech_rk043fn48h_timing = {
>   	.pixelclock = { 6000000, 9000000, 12000000 },
>   	.hactive = { 480, 480, 480 },
>   	.hback_porch = { 8, 43, 43 },
> -	.hfront_porch = { 2, 8, 8 },
> +	.hfront_porch = { 2, 8, 10 },
>   	.hsync_len = { 1, 1, 1 },
>   	.vactive = { 272, 272, 272 },
> -	.vback_porch = { 2, 12, 12 },
> +	.vback_porch = { 2, 12, 26 },
>   	.vfront_porch = { 1, 4, 4 },
>   	.vsync_len = { 1, 10, 10 },
>   	.flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW |
> 

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