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>

diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index 9db7b9f..bf55e51 100644 (file)
--- 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++) {