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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>
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@ -278,12 +278,6 @@ static int exynos_dp_link_start(struct exynos_dp_device *dp)
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for (lane = 0; lane < lane_count; lane++)
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for (lane = 0; lane < lane_count; lane++)
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dp->link_train.cr_loop[lane] = 0;
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dp->link_train.cr_loop[lane] = 0;
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/* Set sink to D0 (Sink Not Ready) mode. */
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retval = exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_SINK_POWER_STATE,
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DPCD_SET_POWER_STATE_D0);
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if (retval)
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return retval;
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/* Set link rate and count as you want to establish*/
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/* Set link rate and count as you want to establish*/
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exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
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exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
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exynos_dp_set_lane_count(dp, dp->link_train.lane_count);
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exynos_dp_set_lane_count(dp, dp->link_train.lane_count);
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