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Commit 1f61ce50 authored by Jingoo Han's avatar Jingoo Han Committed by Florian Tobias Schandinat
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video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training 



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: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent 559dc9d9

drivers/video/exynos/exynos_dp_core.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -336,7 +336,7 @@ static int exynos_dp_channel_eq_ok(u8 link_status[6], int lane_count) 
	u8 lane_status;

	u8 lane_status;





	lane_align = link_status[2];

	lane_align = link_status[2];

	if ((lane_align == DPCD_INTERLANE_ALIGN_DONE) == 0)

	if ((lane_align & DPCD_INTERLANE_ALIGN_DONE) == 0)

		return -EINVAL;

		return -EINVAL;





	for (lane = 0; lane < lane_count; lane++) {

	for (lane = 0; lane < lane_count; lane++) {