From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: linux-fbdev@vger.kernel.org
Subject: Re: [PATCH resend] ocfb: fix tgdel and tvdel timing parameters
Date: Fri, 29 Jan 2016 11:35:02 +0000 [thread overview]
Message-ID: <56AB4E66.4020901@ti.com> (raw)
In-Reply-To: <1453819684-32742-1-git-send-email-andrea.merello@gmail.com>
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On 26/01/16 16:48, Andrea Merello wrote:
> According to the ocfb documentation:
> Fix tgdel HW param should be left margin, not right.
> Fix tvdel HW param should upper margin, not lower.
>
> This seems to fix lock issues on certain monitors (tested on a
> slightly customized IP, but the FPGA guy said that it should
> be the same wrt this changes).
>
> Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
>
> diff --git a/drivers/video/fbdev/ocfb.c b/drivers/video/fbdev/ocfb.c
> index c9293ae..a970edc2 100644
> --- a/drivers/video/fbdev/ocfb.c
> +++ b/drivers/video/fbdev/ocfb.c
> @@ -123,11 +123,11 @@ static int ocfb_setupfb(struct ocfb_dev *fbdev)
>
> /* Horizontal timings */
> ocfb_writereg(fbdev, OCFB_HTIM, (var->hsync_len - 1) << 24 |
> - (var->right_margin - 1) << 16 | (var->xres - 1));
> + (var->left_margin - 1) << 16 | (var->xres - 1));
>
> /* Vertical timings */
> ocfb_writereg(fbdev, OCFB_VTIM, (var->vsync_len - 1) << 24 |
> - (var->lower_margin - 1) << 16 | (var->yres - 1));
> + (var->upper_margin - 1) << 16 | (var->yres - 1));
>
> /* Total length of frame */
> hlen = var->left_margin + var->right_margin + var->hsync_len +
> --
> 1.9.1
>
Thanks, queued for 4.5 fixes.
Tomi
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prev parent reply other threads:[~2016-01-29 11:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 14:48 [PATCH resend] ocfb: fix tgdel and tvdel timing parameters Andrea Merello
2016-01-26 20:36 ` Stefan Kristiansson
2016-01-29 11:35 ` Tomi Valkeinen [this message]
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