On 08/05/2017 02:53 PM, Hans Verkuil wrote:

Archit,

I posted a v3 that added a missing cec_notifier_put to the remove() function.
Apparently you missed that. The chunk in question from the v3 patch is this:

I did. Sorry, about that. There was an issue with my mailer.

We aren't allowed to do rebases on drm-misc-next unless absolutely needed.
A separate patch that adds the missing notifier_put() call in remove would be
great to have.

I'll queue the patches #3/4 and #4/4 from the v3 revision.

Thanks,
Archit

Regards,

	Hans

On 04/08/17 15:36, Archit Taneja wrote:

quoted

On 07/31/2017 08:55 PM, Hans Verkuil wrote:

quoted

On 07/31/2017 04:29 PM, Russell King wrote:

quoted

Add CEC notifier support to the HDMI bridge driver, so that the CEC
part of the IP can receive its physical address.

Signed-off-by: Russell King <redacted>

Acked-by: Hans Verkuil <redacted>

Queued to drm-misc-next.

Thanks,
Archit

quoted

Regards,

     Hans

quoted

---
   drivers/gpu/drm/bridge/synopsys/Kconfig   |  1 +
   drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 22 +++++++++++++++++++++-
   2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/Kconfig b/drivers/gpu/drm/bridge/synopsys/Kconfig
index 53e78d092d18..351db000599a 100644
--- a/drivers/gpu/drm/bridge/synopsys/Kconfig
+++ b/drivers/gpu/drm/bridge/synopsys/Kconfig

@@ -2,6 +2,7 @@ config DRM_DW_HDMI
       tristate
       select DRM_KMS_HELPER
       select REGMAP_MMIO
+    select CEC_CORE if CEC_NOTIFIER
     config DRM_DW_HDMI_AHB_AUDIO
       tristate "Synopsys Designware AHB Audio interface"

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index ead11242c4b9..82e55ee8e4fa 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -36,7 +36,10 @@
   #include "dw-hdmi.h"
   #include "dw-hdmi-audio.h"
   +#include <media/cec-notifier.h>
+
   #define DDC_SEGMENT_ADDR    0x30
+
   #define HDMI_EDID_LEN        512
     enum hdmi_datamap {

@@ -175,6 +178,8 @@ struct dw_hdmi {
       struct regmap *regm;
       void (*enable_audio)(struct dw_hdmi *hdmi);
       void (*disable_audio)(struct dw_hdmi *hdmi);
+
+    struct cec_notifier *cec_notifier;
   };
     #define HDMI_IH_PHY_STAT0_RX_SENSE \

@@ -1896,6 +1901,7 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
           hdmi->sink_is_hdmi = drm_detect_hdmi_monitor(edid);
           hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
           drm_mode_connector_update_edid_property(connector, edid);
+        cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
           ret = drm_add_edid_modes(connector, edid);
           /* Store the ELD */
           drm_edid_to_eld(connector, edid);

@@ -2119,11 +2125,16 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id)
        * ask the source to re-read the EDID.
        */
       if (intr_stat &
-        (HDMI_IH_PHY_STAT0_RX_SENSE | HDMI_IH_PHY_STAT0_HPD))
+        (HDMI_IH_PHY_STAT0_RX_SENSE | HDMI_IH_PHY_STAT0_HPD)) {
           __dw_hdmi_setup_rx_sense(hdmi,
                        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 (intr_stat & HDMI_IH_PHY_STAT0_HPD) {
           dev_dbg(hdmi->dev, "EVENT=%s\n",
               phy_int_pol & HDMI_PHY_HPD ? "plugin" : "plugout");

@@ -2376,6 +2387,12 @@ __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

@@ -2452,6 +2469,9 @@ __dw_hdmi_probe(struct platform_device *pdev,
           hdmi->ddc = NULL;
       }
   +    if (hdmi->cec_notifier)
+        cec_notifier_put(hdmi->cec_notifier);
+
       clk_disable_unprepare(hdmi->iahb_clk);
   err_isfr:
       clk_disable_unprepare(hdmi->isfr_clk);

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