diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-07-12 10:10:03 +0400 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-07-25 00:54:03 +0400 |
| commit | 123267aae33efd341babe42525b8db51ef32c1b8 (patch) | |
| tree | 590d2ddc5e80d7926b5e18b1015e71cf76b42895 /drivers/video | |
| parent | 2fe2d9f47cfe1a3e66e7d087368b3d7155b04c15 (diff) | |
| download | linux-123267aae33efd341babe42525b8db51ef32c1b8.tar.xz | |
video: exynos_dp: fix wrong DPCD address during Link Training
Wrong DPCD addresses were used for clock recovery during Link Training.
The training pattern should be set by TRAINING_PATTERN_SET (0x102), while
voltage swing and pre-emphasis should be set by TRAINING_LANE0_SET (0x103).
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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 9db7b9f581e6..bf55e5192f9b 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -304,7 +304,7 @@ static void exynos_dp_link_start(struct exynos_dp_device *dp) buf[lane] = DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 | DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0; exynos_dp_write_bytes_to_dpcd(dp, - DPCD_ADDR_TRAINING_PATTERN_SET, + DPCD_ADDR_TRAINING_LANE0_SET, lane_count, buf); } @@ -504,7 +504,7 @@ static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp) buf[0] = DPCD_SCRAMBLING_DISABLED | DPCD_TRAINING_PATTERN_2; exynos_dp_write_byte_to_dpcd(dp, - DPCD_ADDR_TRAINING_LANE0_SET, + DPCD_ADDR_TRAINING_PATTERN_SET, buf[0]); for (lane = 0; lane < lane_count; lane++) { |