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authorDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
committerDave Airlie <airlied@redhat.com>2010-05-19 09:35:51 +1000
commit05ea893c46805b2981ea8ba6df881e3d65edd63b (patch)
treeea381e22d99f49bd2c95238f88491d48b797a17b /drivers/gpu/drm/i915/intel_sdvo.c
parent26481fb15644b5fd85d4cea020f74a234cdf6803 (diff)
parenta7c542782e92f9487c62a571565637be3d6b0ffd (diff)
Merge remote branch 'anholt/drm-intel-next' into drm-next
* anholt/drm-intel-next: (515 commits) drm/i915: Fix out of tree builds drm/i915: move fence lru to struct drm_i915_fence_reg drm/i915: don't allow tiling changes on pinned buffers v2 drm/i915: Be extra careful about A/D matching for multifunction SDVO drm/i915: Fix DDC bus selection for multifunction SDVO drm/i915: cleanup mode setting before unmapping registers drm/i915: Make fbc control wrapper functions drm/i915: Wait for the GPU whilst shrinking, if truly desperate. drm/i915: Use spatio-temporal dithering on PCH [MTD] Remove zero-length files mtdbdi.c and internal.ho pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDs libata: Fix several inaccuracies in developer's guide slub: Fix bad boundary check in init_kmem_cache_nodes() raid6: fix recovery performance regression KEYS: call_sbin_request_key() must write lock keyrings before modifying them KEYS: Use RCU dereference wrappers in keyring key type code KEYS: find_keyring_by_name() can gain access to a freed keyring ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice) ALSA: hda - Add quirk for Dell Inspiron 19T using a Conexant CX20582 ALSA: take tu->qlock with irqs disabled ...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c86
1 files changed, 30 insertions, 56 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index ca372abc36c..aba72c489a2 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1504,16 +1504,17 @@ intel_analog_is_connected(struct drm_device *dev)
}
enum drm_connector_status
-intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
+intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
struct intel_sdvo_priv *sdvo_priv = intel_encoder->dev_priv;
+ struct intel_connector *intel_connector = to_intel_connector(connector);
+ struct intel_sdvo_connector *sdvo_connector = intel_connector->dev_priv;
enum drm_connector_status status = connector_status_connected;
struct edid *edid = NULL;
- edid = drm_get_edid(connector,
- intel_encoder->ddc_bus);
+ edid = drm_get_edid(connector, intel_encoder->ddc_bus);
/* This is only applied to SDVO cards with multiple outputs */
if (edid == NULL && intel_sdvo_multifunc_encoder(intel_encoder)) {
@@ -1526,8 +1527,7 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
*/
while(temp_ddc > 1) {
sdvo_priv->ddc_bus = temp_ddc;
- edid = drm_get_edid(connector,
- intel_encoder->ddc_bus);
+ edid = drm_get_edid(connector, intel_encoder->ddc_bus);
if (edid) {
/*
* When we can get the EDID, maybe it is the
@@ -1544,28 +1544,25 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
/* when there is no edid and no monitor is connected with VGA
* port, try to use the CRT ddc to read the EDID for DVI-connector
*/
- if (edid == NULL &&
- sdvo_priv->analog_ddc_bus &&
+ if (edid == NULL && sdvo_priv->analog_ddc_bus &&
!intel_analog_is_connected(connector->dev))
- edid = drm_get_edid(connector,
- sdvo_priv->analog_ddc_bus);
+ edid = drm_get_edid(connector, sdvo_priv->analog_ddc_bus);
+
if (edid != NULL) {
- /* Don't report the output as connected if it's a DVI-I
- * connector with a non-digital EDID coming out.
- */
- if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
- if (edid->input & DRM_EDID_INPUT_DIGITAL)
- sdvo_priv->is_hdmi =
- drm_detect_hdmi_monitor(edid);
- else
- status = connector_status_disconnected;
- }
+ bool is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+ bool need_digital = !!(sdvo_connector->output_flag & SDVO_TMDS_MASK);
- kfree(edid);
- connector->display_info.raw_edid = NULL;
+ /* DDC bus is shared, match EDID to connector type */
+ if (is_digital && need_digital)
+ sdvo_priv->is_hdmi = drm_detect_hdmi_monitor(edid);
+ else if (is_digital != need_digital)
+ status = connector_status_disconnected;
- } else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
+ connector->display_info.raw_edid = NULL;
+ } else
status = connector_status_disconnected;
+
+ kfree(edid);
return status;
}
@@ -1601,8 +1598,8 @@ static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connect
if ((sdvo_connector->output_flag & response) == 0)
ret = connector_status_disconnected;
- else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
- ret = intel_sdvo_hdmi_sink_detect(connector, response);
+ else if (response & SDVO_TMDS_MASK)
+ ret = intel_sdvo_hdmi_sink_detect(connector);
else
ret = connector_status_connected;
@@ -2054,40 +2051,17 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
* outputs, then LVDS outputs.
*/
static void
-intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
+intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
+ struct intel_sdvo_priv *sdvo, u32 reg)
{
- uint16_t mask = 0;
- unsigned int num_bits;
+ struct sdvo_device_mapping *mapping;
- /* Make a mask of outputs less than or equal to our own priority in the
- * list.
- */
- switch (dev_priv->controlled_output) {
- case SDVO_OUTPUT_LVDS1:
- mask |= SDVO_OUTPUT_LVDS1;
- case SDVO_OUTPUT_LVDS0:
- mask |= SDVO_OUTPUT_LVDS0;
- case SDVO_OUTPUT_TMDS1:
- mask |= SDVO_OUTPUT_TMDS1;
- case SDVO_OUTPUT_TMDS0:
- mask |= SDVO_OUTPUT_TMDS0;
- case SDVO_OUTPUT_RGB1:
- mask |= SDVO_OUTPUT_RGB1;
- case SDVO_OUTPUT_RGB0:
- mask |= SDVO_OUTPUT_RGB0;
- break;
- }
-
- /* Count bits to find what number we are in the priority list. */
- mask &= dev_priv->caps.output_flags;
- num_bits = hweight16(mask);
- if (num_bits > 3) {
- /* if more than 3 outputs, default to DDC bus 3 for now */
- num_bits = 3;
- }
+ if (IS_SDVOB(reg))
+ mapping = &(dev_priv->sdvo_mappings[0]);
+ else
+ mapping = &(dev_priv->sdvo_mappings[1]);
- /* Corresponds to SDVO_CONTROL_BUS_DDCx */
- dev_priv->ddc_bus = 1 << num_bits;
+ sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
}
static bool
@@ -2866,7 +2840,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
goto err_i2c;
}
- intel_sdvo_select_ddc_bus(sdvo_priv);
+ intel_sdvo_select_ddc_bus(dev_priv, sdvo_priv, sdvo_reg);
/* Set the input timing to the screen. Assume always input 0. */
intel_sdvo_set_target_input(intel_encoder, true, false);