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path: root/drivers/gpu/drm/msm/dp/dp_display.c
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Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_display.c')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_display.c62
1 files changed, 28 insertions, 34 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index bbc47d86ae9e..a48e6db4f156 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -13,6 +13,7 @@
#include <linux/delay.h>
#include <linux/string_choices.h>
#include <drm/display/drm_dp_aux_bus.h>
+#include <drm/display/drm_hdmi_audio_helper.h>
#include <drm/drm_edid.h>
#include "msm_drv.h"
@@ -127,6 +128,11 @@ static const struct msm_dp_desc msm_dp_desc_sa8775p[] = {
{}
};
+static const struct msm_dp_desc msm_dp_desc_sdm845[] = {
+ { .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0 },
+ {}
+};
+
static const struct msm_dp_desc msm_dp_desc_sc7180[] = {
{ .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
{}
@@ -179,7 +185,7 @@ static const struct of_device_id msm_dp_dt_match[] = {
{ .compatible = "qcom,sc8180x-edp", .data = &msm_dp_desc_sc8180x },
{ .compatible = "qcom,sc8280xp-dp", .data = &msm_dp_desc_sc8280xp },
{ .compatible = "qcom,sc8280xp-edp", .data = &msm_dp_desc_sc8280xp },
- { .compatible = "qcom,sdm845-dp", .data = &msm_dp_desc_sc7180 },
+ { .compatible = "qcom,sdm845-dp", .data = &msm_dp_desc_sdm845 },
{ .compatible = "qcom,sm8350-dp", .data = &msm_dp_desc_sc7180 },
{ .compatible = "qcom,sm8650-dp", .data = &msm_dp_desc_sm8650 },
{ .compatible = "qcom,x1e80100-dp", .data = &msm_dp_desc_x1e80100 },
@@ -288,13 +294,6 @@ static int msm_dp_display_bind(struct device *dev, struct device *master,
goto end;
}
-
- rc = msm_dp_register_audio_driver(dev, dp->audio);
- if (rc) {
- DRM_ERROR("Audio registration Dp failed\n");
- goto end;
- }
-
rc = msm_dp_hpd_event_thread_start(dp);
if (rc) {
DRM_ERROR("Event thread create failed\n");
@@ -316,7 +315,6 @@ static void msm_dp_display_unbind(struct device *dev, struct device *master,
of_dp_aux_depopulate_bus(dp->aux);
- msm_dp_unregister_audio_driver(dev, dp->audio);
msm_dp_aux_unregister(dp->aux);
dp->drm_dev = NULL;
dp->aux->drm_dev = NULL;
@@ -367,17 +365,21 @@ static int msm_dp_display_send_hpd_notification(struct msm_dp_display_private *d
return 0;
}
-static void msm_dp_display_lttpr_init(struct msm_dp_display_private *dp)
+static int msm_dp_display_lttpr_init(struct msm_dp_display_private *dp, u8 *dpcd)
{
- u8 lttpr_caps[DP_LTTPR_COMMON_CAP_SIZE];
- int rc;
+ int rc, lttpr_count;
- if (drm_dp_read_lttpr_common_caps(dp->aux, dp->panel->dpcd, lttpr_caps))
- return;
+ if (drm_dp_read_lttpr_common_caps(dp->aux, dpcd, dp->link->lttpr_common_caps))
+ return 0;
- rc = drm_dp_lttpr_init(dp->aux, drm_dp_lttpr_count(lttpr_caps));
- if (rc)
+ lttpr_count = drm_dp_lttpr_count(dp->link->lttpr_common_caps);
+ rc = drm_dp_lttpr_init(dp->aux, lttpr_count);
+ if (rc) {
DRM_ERROR("failed to set LTTPRs transparency mode, rc=%d\n", rc);
+ return 0;
+ }
+
+ return lttpr_count;
}
static int msm_dp_display_process_hpd_high(struct msm_dp_display_private *dp)
@@ -385,12 +387,17 @@ static int msm_dp_display_process_hpd_high(struct msm_dp_display_private *dp)
struct drm_connector *connector = dp->msm_dp_display.connector;
const struct drm_display_info *info = &connector->display_info;
int rc = 0;
+ u8 dpcd[DP_RECEIVER_CAP_SIZE];
- rc = msm_dp_panel_read_sink_caps(dp->panel, connector);
+ rc = drm_dp_read_dpcd_caps(dp->aux, dpcd);
if (rc)
goto end;
- msm_dp_display_lttpr_init(dp);
+ dp->link->lttpr_count = msm_dp_display_lttpr_init(dp, dpcd);
+
+ rc = msm_dp_panel_read_sink_caps(dp->panel, connector);
+ if (rc)
+ goto end;
msm_dp_link_process_request(dp->link);
@@ -626,9 +633,9 @@ static void msm_dp_display_handle_plugged_change(struct msm_dp *msm_dp_display,
struct msm_dp_display_private, msm_dp_display);
/* notify audio subsystem only if sink supports audio */
- if (msm_dp_display->plugged_cb && msm_dp_display->codec_dev &&
- dp->audio_supported)
- msm_dp_display->plugged_cb(msm_dp_display->codec_dev, plugged);
+ if (dp->audio_supported)
+ drm_connector_hdmi_audio_plugged_notify(msm_dp_display->connector,
+ plugged);
}
static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp, u32 data)
@@ -907,19 +914,6 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp)
return 0;
}
-int msm_dp_display_set_plugged_cb(struct msm_dp *msm_dp_display,
- hdmi_codec_plugged_cb fn, struct device *codec_dev)
-{
- bool plugged;
-
- msm_dp_display->plugged_cb = fn;
- msm_dp_display->codec_dev = codec_dev;
- plugged = msm_dp_display->link_ready;
- msm_dp_display_handle_plugged_change(msm_dp_display, plugged);
-
- return 0;
-}
-
/**
* msm_dp_bridge_mode_valid - callback to determine if specified mode is valid
* @bridge: Pointer to drm bridge structure