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video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training

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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>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Jingoo Han 2012-07-17 17:44:13 +09:00 committed by Florian Tobias Schandinat
parent 559dc9d9fe
commit 1f61ce508a
1 changed files with 1 additions and 1 deletions
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2
drivers/video/exynos/exynos_dp_core.c
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@ -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++) {