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: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index bf55e51..0f3a64b 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -336,7 +336,7 @@
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++) {