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However with a slight rework this can still be handled by keeping common paths same for regular and special case. Signed-off-by: Abhinav Kumar Signed-off-by: Yongxing Mou Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 19 +------------------ drivers/gpu/drm/msm/dp/dp_ctrl.h | 3 ++- drivers/gpu/drm/msm/dp/dp_display.c | 10 +++++++++- 3 files changed, 12 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_c= trl.c index 6bfd8faa1e212c3a25964677a4462e7a3a162fa4..e1ff4c6bb4f0eed2e1ff931f12b= a891cf81feffb 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -2549,7 +2549,7 @@ int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_= ctrl) return ret; } =20 -void msm_dp_ctrl_off_link_stream(struct msm_dp_ctrl *msm_dp_ctrl) +void msm_dp_ctrl_reinit_phy(struct msm_dp_ctrl *msm_dp_ctrl) { struct msm_dp_ctrl_private *ctrl; struct phy *phy; @@ -2557,23 +2557,6 @@ void msm_dp_ctrl_off_link_stream(struct msm_dp_ctrl = *msm_dp_ctrl) ctrl =3D container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctr= l); phy =3D ctrl->phy; =20 - msm_dp_panel_disable_vsc_sdp(ctrl->panel); - - /* set dongle to D3 (power off) mode */ - msm_dp_link_psm_config(ctrl->link, &ctrl->panel->link_info, true); - - msm_dp_ctrl_mainlink_disable(ctrl); - - if (ctrl->stream_clks_on) { - clk_disable_unprepare(ctrl->pixel_clk); - ctrl->stream_clks_on =3D false; - } - - dev_pm_opp_set_rate(ctrl->dev, 0); - msm_dp_ctrl_link_clk_disable(&ctrl->msm_dp_ctrl); - - phy_power_off(phy); - /* aux channel down, reinit phy */ phy_exit(phy); phy_init(phy); diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_c= trl.h index 1497f1a8fc2f00991356663c19c87eb9fad48a73..93747c0a9b3f049bc877f347f05= d42b66ad0dddf 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -19,7 +19,6 @@ struct phy; int msm_dp_ctrl_on_link(struct msm_dp_ctrl *msm_dp_ctrl); int msm_dp_ctrl_on_stream(struct msm_dp_ctrl *msm_dp_ctrl); int msm_dp_ctrl_prepare_stream_on(struct msm_dp_ctrl *msm_dp_ctrl, bool fo= rce_link_train); -void msm_dp_ctrl_off_link_stream(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_push_idle(struct msm_dp_ctrl *msm_dp_ctrl); irqreturn_t msm_dp_ctrl_isr(struct msm_dp_ctrl *msm_dp_ctrl); @@ -46,4 +45,6 @@ void msm_dp_ctrl_core_clk_disable(struct msm_dp_ctrl *msm= _dp_ctrl); void msm_dp_ctrl_enable_irq(struct msm_dp_ctrl *msm_dp_ctrl); void msm_dp_ctrl_disable_irq(struct msm_dp_ctrl *msm_dp_ctrl); =20 +void msm_dp_ctrl_reinit_phy(struct msm_dp_ctrl *msm_dp_ctrl); + #endif /* _DP_CTRL_H_ */ diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/d= p_display.c index 36a12150925246b168acbabf77d1206a1ef8eff5..4c74eb2915fd620868f658ccafc= 32030b1c208c6 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -773,12 +773,20 @@ static int msm_dp_display_disable(struct msm_dp_displ= ay_private *dp) if (!msm_dp_display->power_on) return 0; =20 + msm_dp_panel_disable_vsc_sdp(dp->panel); + + /* dongle is still connected but sinks are disconnected */ if (dp->link->sink_count =3D=3D 0) { /* * irq_hpd with sink_count =3D 0 * hdmi unplugged out of dongle */ - msm_dp_ctrl_off_link_stream(dp->ctrl); + + /* set dongle to D3 (power off) mode */ + msm_dp_link_psm_config(dp->link, &dp->panel->link_info, true); + msm_dp_ctrl_off(dp->ctrl); + /* re-init the PHY so that we can listen to Dongle disconnect */ + msm_dp_ctrl_reinit_phy(dp->ctrl); } else { /* * unplugged interrupt --=20 2.34.1