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authorDave Airlie <airlied@redhat.com>2019-08-27 17:10:30 +1000
committerDave Airlie <airlied@redhat.com>2019-08-27 17:21:04 +1000
commitc87237110f2553b4200a8b3401a01198edfcf0d9 (patch)
treeac4af3166e019c5cd46c12743d8d3bbcd9391332 /drivers/gpu/drm/bridge
parent8c973fb611de06ce54879b4d8797bf966d3db213 (diff)
parente26ae7c0432101a924cf745b07470c8592de64cb (diff)
downloadlinux-c87237110f2553b4200a8b3401a01198edfcf0d9.tar.bz2
Merge tag 'drm-misc-next-2019-08-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.4: UAPI Changes: Cross-subsystem Changes: Core Changes: - dma-buf: dma-fence selftests Driver Changes: - kirin: Various cleanups and reworks - komeda: Add support for DT memory-regions - meson: Rely on the compatible to detect vpu features - omap: Implement alpha and pixel blend mode properties - panfrost: Implement per-fd address spaces, various fixes - rockchip: DSI DT binding rework - fbdev: Various cleanups Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190823083509.c7mduqdqjnxc7ubb@flea
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c13
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c45
2 files changed, 36 insertions, 22 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
index 0f949978d3fc..ac1e001d0882 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c
@@ -256,8 +256,8 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
dw_hdmi_write(cec, 0, HDMI_CEC_POLARITY);
cec->adap = cec_allocate_adapter(&dw_hdmi_cec_ops, cec, "dw_hdmi",
- CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT |
- CEC_CAP_RC | CEC_CAP_PASSTHROUGH,
+ CEC_CAP_DEFAULTS |
+ CEC_CAP_CONNECTOR_INFO,
CEC_MAX_LOG_ADDRS);
if (IS_ERR(cec->adap))
return PTR_ERR(cec->adap);
@@ -278,13 +278,14 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
- cec->notify = cec_notifier_get(pdev->dev.parent);
+ cec->notify = cec_notifier_cec_adap_register(pdev->dev.parent,
+ NULL, cec->adap);
if (!cec->notify)
return -ENOMEM;
ret = cec_register_adapter(cec->adap, pdev->dev.parent);
if (ret < 0) {
- cec_notifier_put(cec->notify);
+ cec_notifier_cec_adap_unregister(cec->notify);
return ret;
}
@@ -294,8 +295,6 @@ static int dw_hdmi_cec_probe(struct platform_device *pdev)
*/
devm_remove_action(&pdev->dev, dw_hdmi_cec_del, cec);
- cec_register_cec_notifier(cec->adap, cec->notify);
-
return 0;
}
@@ -303,8 +302,8 @@ static int dw_hdmi_cec_remove(struct platform_device *pdev)
{
struct dw_hdmi_cec *cec = platform_get_drvdata(pdev);
+ cec_notifier_cec_adap_unregister(cec->notify);
cec_unregister_adapter(cec->adap);
- cec_notifier_put(cec->notify);
return 0;
}
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index a4685d062591..521d689413c8 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -189,6 +189,7 @@ struct dw_hdmi {
void (*enable_audio)(struct dw_hdmi *hdmi);
void (*disable_audio)(struct dw_hdmi *hdmi);
+ struct mutex cec_notifier_mutex;
struct cec_notifier *cec_notifier;
};
@@ -2229,6 +2230,8 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
struct dw_hdmi *hdmi = bridge->driver_private;
struct drm_encoder *encoder = bridge->encoder;
struct drm_connector *connector = &hdmi->connector;
+ struct cec_connector_info conn_info;
+ struct cec_notifier *notifier;
connector->interlace_allowed = 1;
connector->polled = DRM_CONNECTOR_POLL_HPD;
@@ -2242,9 +2245,29 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
drm_connector_attach_encoder(connector, encoder);
+ cec_fill_conn_info_from_drm(&conn_info, connector);
+
+ notifier = cec_notifier_conn_register(hdmi->dev, NULL, &conn_info);
+ if (!notifier)
+ return -ENOMEM;
+
+ mutex_lock(&hdmi->cec_notifier_mutex);
+ hdmi->cec_notifier = notifier;
+ mutex_unlock(&hdmi->cec_notifier_mutex);
+
return 0;
}
+static void dw_hdmi_bridge_detach(struct drm_bridge *bridge)
+{
+ struct dw_hdmi *hdmi = bridge->driver_private;
+
+ mutex_lock(&hdmi->cec_notifier_mutex);
+ cec_notifier_conn_unregister(hdmi->cec_notifier);
+ hdmi->cec_notifier = NULL;
+ mutex_unlock(&hdmi->cec_notifier_mutex);
+}
+
static enum drm_mode_status
dw_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
const struct drm_display_mode *mode)
@@ -2301,6 +2324,7 @@ static void dw_hdmi_bridge_enable(struct drm_bridge *bridge)
static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
.attach = dw_hdmi_bridge_attach,
+ .detach = dw_hdmi_bridge_detach,
.enable = dw_hdmi_bridge_enable,
.disable = dw_hdmi_bridge_disable,
.mode_set = dw_hdmi_bridge_mode_set,
@@ -2408,9 +2432,11 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
phy_stat & HDMI_PHY_HPD,
phy_stat & HDMI_PHY_RX_SENSE);
- if ((phy_stat & (HDMI_PHY_RX_SENSE | HDMI_PHY_HPD)) == 0)
- cec_notifier_set_phys_addr(hdmi->cec_notifier,
- CEC_PHYS_ADDR_INVALID);
+ if ((phy_stat & (HDMI_PHY_RX_SENSE | HDMI_PHY_HPD)) == 0) {
+ mutex_lock(&hdmi->cec_notifier_mutex);
+ cec_notifier_phys_addr_invalidate(hdmi->cec_notifier);
+ mutex_unlock(&hdmi->cec_notifier_mutex);
+ }
}
if (intr_stat & HDMI_IH_PHY_STAT0_HPD) {
@@ -2596,6 +2622,7 @@ __dw_hdmi_probe(struct platform_device *pdev,
mutex_init(&hdmi->mutex);
mutex_init(&hdmi->audio_mutex);
+ mutex_init(&hdmi->cec_notifier_mutex);
spin_lock_init(&hdmi->audio_lock);
ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
@@ -2728,12 +2755,6 @@ __dw_hdmi_probe(struct platform_device *pdev,
if (ret)
goto err_iahb;
- hdmi->cec_notifier = cec_notifier_get(dev);
- if (!hdmi->cec_notifier) {
- ret = -ENOMEM;
- goto err_iahb;
- }
-
/*
* To prevent overflows in HDMI_IH_FC_STAT2, set the clk regenerator
* N and cts values before enabling phy
@@ -2832,9 +2853,6 @@ err_iahb:
hdmi->ddc = NULL;
}
- if (hdmi->cec_notifier)
- cec_notifier_put(hdmi->cec_notifier);
-
clk_disable_unprepare(hdmi->iahb_clk);
if (hdmi->cec_clk)
clk_disable_unprepare(hdmi->cec_clk);
@@ -2856,9 +2874,6 @@ static void __dw_hdmi_remove(struct dw_hdmi *hdmi)
/* Disable all interrupts */
hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
- if (hdmi->cec_notifier)
- cec_notifier_put(hdmi->cec_notifier);
-
clk_disable_unprepare(hdmi->iahb_clk);
clk_disable_unprepare(hdmi->isfr_clk);
if (hdmi->cec_clk)