diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_tv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_tv.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index e211eef4b7e4..c14341ca3ef9 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -854,6 +854,10 @@ intel_enable_tv(struct intel_encoder *encoder) struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + /* Prevents vblank waits from timing out in intel_tv_detect_type() */ + intel_wait_for_vblank(encoder->base.dev, + to_intel_crtc(encoder->base.crtc)->pipe); + I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE); } @@ -1311,6 +1315,7 @@ intel_tv_detect(struct drm_connector *connector, bool force) { struct drm_display_mode mode; struct intel_tv *intel_tv = intel_attached_tv(connector); + enum drm_connector_status status; int type; DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n", @@ -1323,16 +1328,24 @@ intel_tv_detect(struct drm_connector *connector, bool force) struct intel_load_detect_pipe tmp; struct drm_modeset_acquire_ctx ctx; + drm_modeset_acquire_init(&ctx, 0); + if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) { type = intel_tv_detect_type(intel_tv, connector); - intel_release_load_detect_pipe(connector, &tmp, &ctx); + intel_release_load_detect_pipe(connector, &tmp); + status = type < 0 ? + connector_status_disconnected : + connector_status_connected; } else - return connector_status_unknown; + status = connector_status_unknown; + + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); } else return connector->status; - if (type < 0) - return connector_status_disconnected; + if (status != connector_status_connected) + return status; intel_tv->type = type; intel_tv_find_better_format(connector); |