diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index d03fc05b39c..0979d887788 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -288,6 +288,8 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector) * This may be a DVI-I connector with a shared DDC * link between analog and digital outputs, so we * have to check the EDID input spec of the attached device. + * + * On the other hand, what should we do if it is a broken EDID? */ if (edid != NULL) { is_digital = edid->input & DRM_EDID_INPUT_DIGITAL; @@ -298,6 +300,8 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector) if (!is_digital) { DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n"); return true; + } else { + DRM_DEBUG_KMS("CRT not detected via DDC:0x50 [EDID reports a digital panel]\n"); } } @@ -305,13 +309,11 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector) } static enum drm_connector_status -intel_crt_load_detect(struct drm_crtc *crtc, struct intel_crt *crt) +intel_crt_load_detect(struct intel_crt *crt) { - struct drm_encoder *encoder = &crt->base.base; - struct drm_device *dev = encoder->dev; + struct drm_device *dev = crt->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - uint32_t pipe = intel_crtc->pipe; + uint32_t pipe = to_intel_crtc(crt->base.base.crtc)->pipe; uint32_t save_bclrpat; uint32_t save_vtotal; uint32_t vtotal, vactive; @@ -432,7 +434,6 @@ intel_crt_detect(struct drm_connector *connector, bool force) struct drm_device *dev = connector->dev; struct intel_crt *crt = intel_attached_crt(connector); struct drm_crtc *crtc; - int dpms_mode; enum drm_connector_status status; if (I915_HAS_HOTPLUG(dev)) { @@ -454,17 +455,18 @@ intel_crt_detect(struct drm_connector *connector, bool force) /* for pre-945g platforms use load detect */ crtc = crt->base.base.crtc; if (crtc && crtc->enabled) { - status = intel_crt_load_detect(crtc, crt); + status = intel_crt_load_detect(crt); } else { - crtc = intel_get_load_detect_pipe(&crt->base, connector, - NULL, &dpms_mode); - if (crtc) { + struct intel_load_detect_pipe tmp; + + if (intel_get_load_detect_pipe(&crt->base, connector, NULL, + &tmp)) { if (intel_crt_detect_ddc(connector)) status = connector_status_connected; else - status = intel_crt_load_detect(crtc, crt); - intel_release_load_detect_pipe(&crt->base, - connector, dpms_mode); + status = intel_crt_load_detect(crt); + intel_release_load_detect_pipe(&crt->base, connector, + &tmp); } else status = connector_status_unknown; } |