summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_crt.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-12 08:40:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-12 08:40:25 -0800
commitf878133bf022717b880d0e0995b8f91436fd605c (patch)
treeb16528611d3af337f65f8ff0ae9b90b447e345ad /drivers/gpu/drm/i915/intel_crt.c
parent1b3862798cf4390b9110e54e405646e156f47c83 (diff)
parentd15eda5c6edff4987af6f4423af0bab0c3251e74 (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (39 commits) i915/gtt: fix ordering causing DMAR errors on object teardown. i915/gtt: fix ordering issues with status setup and DMAR drm/i915/execbuffer: Reorder binding of objects to favour restrictions drm/i915: If we hit OOM when allocating GTT pages, clear the aperture drm/i915/evict: Ensure we completely cleanup on failure drm/i915/execbuffer: Correctly clear the current object list upon EFAULT drm/i915/debugfs: Show all objects in the gtt drm/i915: Record AGP memory type upon error drm/i915: Periodically flush the active lists and requests drm/i915/gtt: Unmap the PCI pages after unbinding them from the GTT drm/i915: Record the error batchbuffer on each ring drm/i915: Include TLB miss overhead for computing WM drm/i915: Propagate error from flushing the ring drm/i915: detect & report PCH display error interrupts drm/i915: cleanup rc6 code drm/i915: fix rc6 enabling around suspend/resume drm/i915: re-enable rc6 support for Ironlake+ drm/i915: Make the ring IMR handling private drm/i915/ringbuffer: Simplify the ring irq refcounting drm/i915/debugfs: Show the per-ring IMR ...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 8df57431606..17035b87ee4 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -30,6 +30,7 @@
#include "drm.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
+#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@@ -287,8 +288,9 @@ static bool intel_crt_ddc_probe(struct drm_i915_private *dev_priv, int ddc_bus)
return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 1) == 1;
}
-static bool intel_crt_detect_ddc(struct intel_crt *crt)
+static bool intel_crt_detect_ddc(struct drm_connector *connector)
{
+ struct intel_crt *crt = intel_attached_crt(connector);
struct drm_i915_private *dev_priv = crt->base.base.dev->dev_private;
/* CRT should always be at 0, but check anyway */
@@ -301,8 +303,26 @@ static bool intel_crt_detect_ddc(struct intel_crt *crt)
}
if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) {
- DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n");
- return true;
+ struct edid *edid;
+ bool is_digital = false;
+
+ edid = drm_get_edid(connector,
+ &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+ /*
+ * 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.
+ */
+ if (edid != NULL) {
+ is_digital = edid->input & DRM_EDID_INPUT_DIGITAL;
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ }
+
+ if (!is_digital) {
+ DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n");
+ return true;
+ }
}
return false;
@@ -458,7 +478,7 @@ intel_crt_detect(struct drm_connector *connector, bool force)
}
}
- if (intel_crt_detect_ddc(crt))
+ if (intel_crt_detect_ddc(connector))
return connector_status_connected;
if (!force)
@@ -472,7 +492,7 @@ intel_crt_detect(struct drm_connector *connector, bool force)
crtc = intel_get_load_detect_pipe(&crt->base, connector,
NULL, &dpms_mode);
if (crtc) {
- if (intel_crt_detect_ddc(crt))
+ if (intel_crt_detect_ddc(connector))
status = connector_status_connected;
else
status = intel_crt_load_detect(crtc, crt);