From: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
To: linux-fbdev@vger.kernel.org
Subject: Re: [PATCH] video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training
Date: Thu, 26 Jul 2012 17:22:51 +0000 [thread overview]
Message-ID: <50117CEB.2000503@gmx.de> (raw)
In-Reply-To: <000c01cd63f8$57550000$05ff0000$%han@samsung.com>
On 07/17/2012 08:44 AM, Jingoo Han wrote:
> The only INTERLANE_ALIGN_DONE bit should be checked for channel equalization
> during Link Training. Previously, the other bits such as LINK_STATUS_UPDATED
> were checked, and channel equalization procedure was repeated unnecessarily.
>
> Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Applied.
Thanks,
Florian Tobias Schandinat
> ---
> drivers/video/exynos/exynos_dp_core.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
> index 9db7b9f..6ca8043 100644
> --- a/drivers/video/exynos/exynos_dp_core.c
> +++ b/drivers/video/exynos/exynos_dp_core.c
> @@ -336,7 +336,7 @@ static int exynos_dp_channel_eq_ok(u8 link_status[6], int lane_count)
> u8 lane_status;
>
> lane_align = link_status[2];
> - if ((lane_align = DPCD_INTERLANE_ALIGN_DONE) = 0)
> + if ((lane_align & DPCD_INTERLANE_ALIGN_DONE) = 0)
> return -EINVAL;
>
> for (lane = 0; lane < lane_count; lane++) {
prev parent reply other threads:[~2012-07-26 17:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-17 8:44 [PATCH] video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training Jingoo Han
2012-07-26 17:22 ` Florian Tobias Schandinat [this message]
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