From: Philippe CORNU <philippe.cornu@st.com>
To: Yannick FERTRE <yannick.fertre@st.com>,
Thierry Reding <thierry.reding@gmail.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-stm32@st-md-mailman.stormreply.com"
<linux-stm32@st-md-mailman.stormreply.com>
Subject: Re: [PATCH] drm/panel: otm8009a: set clock to 29.70 Mhz
Date: Tue, 26 Mar 2019 12:50:24 +0000 [thread overview]
Message-ID: <a9072186-51ac-ac76-c544-02785c726846@st.com> (raw)
In-Reply-To: <1553155646-13636-1-git-send-email-yannick.fertre@st.com>
Dear Yannick,
Many thanks for your patch.
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Tested-by: Philippe Cornu <philippe.cornu@st.com>
Philippe :-)
On 3/21/19 9:07 AM, Yannick Fertré wrote:
> The panel does not support clock frequency over 30.74 Mhz.
> The clock rate has been reduced to 29.70 Mhz & new timings have
> been computed to get a framerate of 50fps.
>
> Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
> ---
> drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> index 87fa316..f715bbe 100644
> --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
> @@ -67,15 +67,15 @@ struct otm8009a {
> };
>
> static const struct drm_display_mode default_mode = {
> - .clock = 32729,
> + .clock = 29700,
> .hdisplay = 480,
> - .hsync_start = 480 + 120,
> - .hsync_end = 480 + 120 + 63,
> - .htotal = 480 + 120 + 63 + 120,
> + .hsync_start = 480 + 98,
> + .hsync_end = 480 + 98 + 32,
> + .htotal = 480 + 98 + 32 + 98,
> .vdisplay = 800,
> - .vsync_start = 800 + 12,
> - .vsync_end = 800 + 12 + 12,
> - .vtotal = 800 + 12 + 12 + 12,
> + .vsync_start = 800 + 15,
> + .vsync_end = 800 + 15 + 10,
> + .vtotal = 800 + 15 + 10 + 14,
> .vrefresh = 50,
> .flags = 0,
> .width_mm = 52,
>
next prev parent reply other threads:[~2019-03-26 12:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 8:07 [PATCH] drm/panel: otm8009a: set clock to 29.70 Mhz Yannick Fertré
2019-03-26 12:50 ` Philippe CORNU [this message]
2019-04-03 16:25 ` Thierry Reding
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