diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-07-17 17:44:13 +0900 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-07-24 20:55:16 +0000 |
| commit | 1f61ce508a2e88d19045aa77f90f366251419529 (patch) | |
| tree | 125998f4928d3e3db463b4e04b6f70bc33cee607 /drivers/video | |
| parent | 559dc9d9fed3578cdb82772e4638069fe8176f2f (diff) | |
| download | linux-1f61ce508a2e88d19045aa77f90f366251419529.tar.bz2 | |
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | 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 bf55e5192f9b..0f3a64baecc9 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++) { |