diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdcp.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 1b6dadfce4eb..3d42888d2020 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2086,6 +2086,7 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state, (conn_state->hdcp_content_type != hdcp->content_type && conn_state->content_protection != DRM_MODE_CONTENT_PROTECTION_UNDESIRED); + bool desired_and_not_enabled = false; /* * During the HDCP encryption session if Type change is requested, @@ -2108,8 +2109,15 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state, } if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_DESIRED || - content_protection_type_changed) + DRM_MODE_CONTENT_PROTECTION_DESIRED) { + mutex_lock(&hdcp->mutex); + /* Avoid enabling hdcp, if it already ENABLED */ + desired_and_not_enabled = + hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED; + mutex_unlock(&hdcp->mutex); + } + + if (desired_and_not_enabled || content_protection_type_changed) intel_hdcp_enable(connector, crtc_state->cpu_transcoder, (u8)conn_state->hdcp_content_type); @@ -2158,6 +2166,19 @@ void intel_hdcp_atomic_check(struct drm_connector *connector, return; } + crtc_state = drm_atomic_get_new_crtc_state(new_state->state, + new_state->crtc); + /* + * Fix the HDCP uapi content protection state in case of modeset. + * FIXME: As per HDCP content protection property uapi doc, an uevent() + * need to be sent if there is transition from ENABLED->DESIRED. + */ + if (drm_atomic_crtc_needs_modeset(crtc_state) && + (old_cp == DRM_MODE_CONTENT_PROTECTION_ENABLED && + new_cp != DRM_MODE_CONTENT_PROTECTION_UNDESIRED)) + new_state->content_protection = + DRM_MODE_CONTENT_PROTECTION_DESIRED; + /* * Nothing to do if the state didn't change, or HDCP was activated since * the last commit. And also no change in hdcp content type. @@ -2170,8 +2191,6 @@ void intel_hdcp_atomic_check(struct drm_connector *connector, return; } - crtc_state = drm_atomic_get_new_crtc_state(new_state->state, - new_state->crtc); crtc_state->mode_changed = true; } |