diff options
| author | Yongxing Mou <yongxing.mou@oss.qualcomm.com> | 2026-07-28 18:21:41 +0800 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2026-07-31 17:08:01 +0300 |
| commit | 894a6e16abbec9a523078dbd5f4701fe3c11c283 (patch) | |
| tree | 6c4191498e3211ad97a01138a8744992848cbf8b /drivers/gpu/drm/msm/dp | |
| parent | a57a81926277e9d054b0a8af034bb6a7ccdcfbf7 (diff) | |
drm/msm/dp: simplify link and clock disable sequence
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>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 44f4c2312fc3..b4e1feead765 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -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; |