Hi, On 15/05/2018 14:56, Hans Verkuil wrote: > On 05/15/18 14:46, Neil Armstrong wrote: >> This patchs adds the cec_notifier feature to the intel_hdmi part >> of the i915 DRM driver. It uses the HDMI DRM connector name to differentiate >> between each HDMI ports. >> The changes will allow the i915 HDMI code to notify EDID and HPD changes >> to an eventual CEC adapter. > > You haven't figured yet out where to place the cec_notifier_put() call? > Or did you forget?
I just figured it out, I was busy on the CEC driver and notifier, will re-spin a v2 with this and the other small fixes you requested. Thanks, Neil > > Regards, > > Hans > >> >> Signed-off-by: Neil Armstrong <narmstr...@baylibre.com> >> --- >> drivers/gpu/drm/i915/Kconfig | 1 + >> drivers/gpu/drm/i915/intel_drv.h | 2 ++ >> drivers/gpu/drm/i915/intel_hdmi.c | 10 ++++++++++ >> 3 files changed, 13 insertions(+) >> >> diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig >> index dfd9588..2d65d56 100644 >> --- a/drivers/gpu/drm/i915/Kconfig >> +++ b/drivers/gpu/drm/i915/Kconfig >> @@ -23,6 +23,7 @@ config DRM_I915 >> select SYNC_FILE >> select IOSF_MBI >> select CRC32 >> + select CEC_CORE if CEC_NOTIFIER >> help >> Choose this option if you have a system that has "Intel Graphics >> Media Accelerator" or "HD Graphics" integrated graphics, >> diff --git a/drivers/gpu/drm/i915/intel_drv.h >> b/drivers/gpu/drm/i915/intel_drv.h >> index d436858..b50e51b 100644 >> --- a/drivers/gpu/drm/i915/intel_drv.h >> +++ b/drivers/gpu/drm/i915/intel_drv.h >> @@ -39,6 +39,7 @@ >> #include <drm/drm_dp_mst_helper.h> >> #include <drm/drm_rect.h> >> #include <drm/drm_atomic.h> >> +#include <media/cec-notifier.h> >> >> /** >> * __wait_for - magic wait macro >> @@ -1001,6 +1002,7 @@ struct intel_hdmi { >> bool has_audio; >> bool rgb_quant_range_selectable; >> struct intel_connector *attached_connector; >> + struct cec_notifier *notifier; >> }; >> >> struct intel_dp_mst_encoder; >> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c >> b/drivers/gpu/drm/i915/intel_hdmi.c >> index 1baef4a..9b94d72 100644 >> --- a/drivers/gpu/drm/i915/intel_hdmi.c >> +++ b/drivers/gpu/drm/i915/intel_hdmi.c >> @@ -1868,6 +1868,8 @@ intel_hdmi_set_edid(struct drm_connector *connector) >> connected = true; >> } >> >> + cec_notifier_set_phys_addr_from_edid(intel_hdmi->notifier, edid); >> + >> return connected; >> } >> >> @@ -1876,6 +1878,7 @@ intel_hdmi_detect(struct drm_connector *connector, >> bool force) >> { >> enum drm_connector_status status; >> struct drm_i915_private *dev_priv = to_i915(connector->dev); >> + struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); >> >> DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", >> connector->base.id, connector->name); >> @@ -1891,6 +1894,9 @@ intel_hdmi_detect(struct drm_connector *connector, >> bool force) >> >> intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); >> >> + if (status != connector_status_connected) >> + cec_notifier_phys_addr_invalidate(intel_hdmi->notifier); >> + >> return status; >> } >> >> @@ -2358,6 +2364,10 @@ void intel_hdmi_init_connector(struct >> intel_digital_port *intel_dig_port, >> u32 temp = I915_READ(PEG_BAND_GAP_DATA); >> I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); >> } >> + >> + intel_hdmi->notifier = cec_notifier_get_conn(dev->dev, connector->name); >> + if (!intel_hdmi->notifier) >> + DRM_DEBUG_KMS("CEC notifier get failed\n"); >> } >> >> void intel_hdmi_init(struct drm_i915_private *dev_priv, >> >