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authorSean Paul <seanpaul@chromium.org>2012-11-01 10:38:49 +0900
committerJingoo Han <jg1.han@samsung.com>2012-11-29 10:33:27 +0900
commit2c95a81032065b6f4efa4be2a9e193feb23f2435 (patch)
tree69160298f140fe4f0a02a7f537ec30c22bdcd8b9 /drivers/video/exynos
parentvideo: exynos_dp: Fix bug when checking dp->irq (diff)
downloadlinux-dev-2c95a81032065b6f4efa4be2a9e193feb23f2435.tar.xz
linux-dev-2c95a81032065b6f4efa4be2a9e193feb23f2435.zip
video: exynos_dp: Remove sink control to D0
According to DP spec, it is not required in the Link Training procedure. [jg1.han@samsung.com: modified the commit message] Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Diffstat (limited to 'drivers/video/exynos')
-rw-r--r--drivers/video/exynos/exynos_dp_core.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index dd63d2dcffd9..119f272deeda 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -278,12 +278,6 @@ static int exynos_dp_link_start(struct exynos_dp_device *dp)
for (lane = 0; lane < lane_count; lane++)
dp->link_train.cr_loop[lane] = 0;
- /* Set sink to D0 (Sink Not Ready) mode. */
- retval = exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_SINK_POWER_STATE,
- DPCD_SET_POWER_STATE_D0);
- if (retval)
- return retval;
-
/* Set link rate and count as you want to establish*/
exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
exynos_dp_set_lane_count(dp, dp->link_train.lane_count);