diff options
author | Kuogee Hsieh <quic_khsieh@quicinc.com> | 2023-12-02 02:19:44 +0300 |
---|---|---|
committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-12-03 03:13:17 +0300 |
commit | aa1131204e587535b9b48ed6d1b9187942bc939e (patch) | |
tree | 1c49a8af695e320afc2cfc5a84c883862b78a61e /drivers/gpu/drm/msm/dp | |
parent | 82c2a5751227056a643455d080a389a4b0bfe184 (diff) | |
download | linux-aa1131204e587535b9b48ed6d1b9187942bc939e.tar.xz |
drm/msm/dp: rename is_connected with link_ready
The is_connected flag is set to true after DP mainlink successfully
finishes link training to enter into ST_MAINLINK_READY state rather
than being set after the DP dongle is connected. Rename the
is_connected flag with link_ready flag to match the state of DP
driver's state machine.
Changes in v5:
-- reworded commit text according to review comments from change #4
Changes in v4:
-- reworded commit text
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/570063/
Link: https://lore.kernel.org/r/1701472789-25951-3-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 19 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_drm.c | 14 |
3 files changed, 17 insertions, 18 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 36bdba19467a..a3d7cb1943e2 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -351,12 +351,11 @@ static void dp_display_send_hpd_event(struct msm_dp *dp_display) drm_helper_hpd_irq_event(connector->dev); } - static int dp_display_send_hpd_notification(struct dp_display_private *dp, bool hpd) { - if ((hpd && dp->dp_display.is_connected) || - (!hpd && !dp->dp_display.is_connected)) { + if ((hpd && dp->dp_display.link_ready) || + (!hpd && !dp->dp_display.link_ready)) { drm_dbg_dp(dp->drm_dev, "HPD already %s\n", (hpd ? "on" : "off")); return 0; @@ -370,7 +369,7 @@ static int dp_display_send_hpd_notification(struct dp_display_private *dp, dp->panel->dpcd, dp->panel->downstream_ports); } - dp->dp_display.is_connected = hpd; + dp->dp_display.link_ready = hpd; drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n", dp->dp_display.connector_type, hpd); @@ -912,7 +911,7 @@ int dp_display_set_plugged_cb(struct msm_dp *dp_display, dp_display->plugged_cb = fn; dp_display->codec_dev = codec_dev; - plugged = dp_display->is_connected; + plugged = dp_display->link_ready; dp_display_handle_plugged_change(dp_display, plugged); return 0; @@ -1343,16 +1342,16 @@ static int dp_pm_resume(struct device *dev) * also only signal audio when disconnected */ if (dp->link->sink_count) { - dp->dp_display.is_connected = true; + dp->dp_display.link_ready = true; } else { - dp->dp_display.is_connected = false; + dp->dp_display.link_ready = false; dp_display_handle_plugged_change(dp_display, false); } drm_dbg_dp(dp->drm_dev, "After, type=%d sink=%d conn=%d core_init=%d phy_init=%d power=%d\n", dp->dp_display.connector_type, dp->link->sink_count, - dp->dp_display.is_connected, dp->core_initialized, + dp->dp_display.link_ready, dp->core_initialized, dp->phy_initialized, dp_display->power_on); mutex_unlock(&dp->event_mutex); @@ -1740,8 +1739,8 @@ void dp_bridge_hpd_notify(struct drm_bridge *bridge, return; } - if (!dp_display->is_connected && status == connector_status_connected) + if (!dp_display->link_ready && status == connector_status_connected) dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0); - else if (dp_display->is_connected && status == connector_status_disconnected) + else if (dp_display->link_ready && status == connector_status_disconnected) dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0); } diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index b4a8be0abd9a..102f3507d824 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -17,7 +17,7 @@ struct msm_dp { struct drm_bridge *bridge; struct drm_connector *connector; struct drm_bridge *next_bridge; - bool is_connected; + bool link_ready; bool audio_enabled; bool power_on; unsigned int connector_type; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index 21850a384b10..0efb501490cc 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -24,10 +24,10 @@ static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge) dp = to_dp_bridge(bridge)->dp_display; - drm_dbg_dp(dp->drm_dev, "is_connected = %s\n", - (dp->is_connected) ? "true" : "false"); + drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", + (dp->link_ready) ? "true" : "false"); - return (dp->is_connected) ? connector_status_connected : + return (dp->link_ready) ? connector_status_connected : connector_status_disconnected; } @@ -40,8 +40,8 @@ static int dp_bridge_atomic_check(struct drm_bridge *bridge, dp = to_dp_bridge(bridge)->dp_display; - drm_dbg_dp(dp->drm_dev, "is_connected = %s\n", - (dp->is_connected) ? "true" : "false"); + drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", + (dp->link_ready) ? "true" : "false"); /* * There is no protection in the DRM framework to check if the display @@ -55,7 +55,7 @@ static int dp_bridge_atomic_check(struct drm_bridge *bridge, * After that this piece of code can be removed. */ if (bridge->ops & DRM_BRIDGE_OP_HPD) - return (dp->is_connected) ? 0 : -ENOTCONN; + return (dp->link_ready) ? 0 : -ENOTCONN; return 0; } @@ -78,7 +78,7 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector * dp = to_dp_bridge(bridge)->dp_display; /* pluggable case assumes EDID is read when HPD */ - if (dp->is_connected) { + if (dp->link_ready) { rc = dp_display_get_modes(dp); if (rc <= 0) { DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc); |