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drm/msm/dp: simplify link and clock disable sequence

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Move the common disable steps out of the sink_count check to make the
flow easier to follow.

No functional change intended.

Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/742749/
Link: https://lore.kernel.org/r/20260728-dp_mstclean-v9-12-f7779fce10f4@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Yongxing Mou 2026-07-28 18:21:41 +08:00 committed by Dmitry Baryshkov
parent a57a819262
commit 894a6e16ab
1 changed files with 9 additions and 17 deletions
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26
drivers/gpu/drm/msm/dp/dp_display.c
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@ -718,27 +718,19 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp)
msm_dp_panel_disable_vsc_sdp(dp->panel);
/* dongle is still connected but sinks are disconnected */
if (dp->link->sink_count == 0) {
/*
* irq_hpd with sink_count = 0
* hdmi unplugged out of dongle
*/
msm_dp_ctrl_off_pixel_clk(dp->ctrl);
/* set dongle to D3 (power off) mode */
/* dongle is still connected but sinks are disconnected */
if (dp->link->sink_count == 0)
msm_dp_link_psm_config(dp->link, &dp->panel->link_info, true);
msm_dp_ctrl_off_pixel_clk(dp->ctrl);
msm_dp_ctrl_off_link(dp->ctrl, dp->panel);
msm_dp_ctrl_off_link(dp->ctrl, dp->panel);
if (dp->link->sink_count == 0)
/* re-init the PHY so that we can listen to Dongle disconnect */
msm_dp_ctrl_reinit_phy(dp->ctrl);
} else {
/*
* unplugged interrupt
* dongle unplugged out of DUT
*/
msm_dp_ctrl_off_pixel_clk(dp->ctrl);
msm_dp_ctrl_off_link(dp->ctrl, dp->panel);
else
msm_dp_display_host_phy_exit(dp);
}
msm_dp_display->power_on = false;