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path: root/drivers/gpu/drm/i915/intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c76
1 files changed, 57 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 90b9793fd5da..75a70c46ef1b 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -55,18 +55,36 @@ static struct intel_crt *intel_attached_crt(struct drm_connector *connector)
struct intel_crt, base);
}
-static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
+static void pch_crt_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 temp, reg;
+ u32 temp;
- if (HAS_PCH_SPLIT(dev))
- reg = PCH_ADPA;
- else
- reg = ADPA;
+ temp = I915_READ(PCH_ADPA);
+ temp &= ~ADPA_DAC_ENABLE;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ temp |= ADPA_DAC_ENABLE;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ /* Just leave port enable cleared */
+ break;
+ }
+
+ I915_WRITE(PCH_ADPA, temp);
+}
- temp = I915_READ(reg);
+static void gmch_crt_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 temp;
+
+ temp = I915_READ(ADPA);
temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
temp &= ~ADPA_DAC_ENABLE;
@@ -85,7 +103,7 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
break;
}
- I915_WRITE(reg, temp);
+ I915_WRITE(ADPA, temp);
}
static int intel_crt_mode_valid(struct drm_connector *connector,
@@ -278,9 +296,10 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) {
struct edid *edid;
bool is_digital = false;
+ struct i2c_adapter *i2c;
- edid = drm_get_edid(connector,
- &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, dev_priv->crt_ddc_pin);
+ edid = drm_get_edid(connector, i2c);
/*
* This may be a DVI-I connector with a shared DDC
* link between analog and digital outputs, so we
@@ -476,15 +495,16 @@ static int intel_crt_get_modes(struct drm_connector *connector)
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
+ struct i2c_adapter *i2c;
- ret = intel_ddc_get_modes(connector,
- &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, dev_priv->crt_ddc_pin);
+ ret = intel_ddc_get_modes(connector, i2c);
if (ret || !IS_G4X(dev))
return ret;
/* Try to probe digital port for output in DVI-I -> VGA mode. */
- return intel_ddc_get_modes(connector,
- &dev_priv->gmbus[GMBUS_PORT_DPB].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
+ return intel_ddc_get_modes(connector, i2c);
}
static int intel_crt_set_property(struct drm_connector *connector,
@@ -507,12 +527,20 @@ static void intel_crt_reset(struct drm_connector *connector)
* Routines for controlling stuff on the analog port
*/
-static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = {
- .dpms = intel_crt_dpms,
+static const struct drm_encoder_helper_funcs pch_encoder_funcs = {
.mode_fixup = intel_crt_mode_fixup,
.prepare = intel_encoder_prepare,
.commit = intel_encoder_commit,
.mode_set = intel_crt_mode_set,
+ .dpms = pch_crt_dpms,
+};
+
+static const struct drm_encoder_helper_funcs gmch_encoder_funcs = {
+ .mode_fixup = intel_crt_mode_fixup,
+ .prepare = intel_encoder_prepare,
+ .commit = intel_encoder_commit,
+ .mode_set = intel_crt_mode_set,
+ .dpms = gmch_crt_dpms,
};
static const struct drm_connector_funcs intel_crt_connector_funcs = {
@@ -536,7 +564,7 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = {
static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id)
{
- DRM_DEBUG_KMS("Skipping CRT initialization for %s\n", id->ident);
+ DRM_INFO("Skipping CRT initialization for %s\n", id->ident);
return 1;
}
@@ -558,6 +586,7 @@ void intel_crt_init(struct drm_device *dev)
struct intel_crt *crt;
struct intel_connector *intel_connector;
struct drm_i915_private *dev_priv = dev->dev_private;
+ const struct drm_encoder_helper_funcs *encoder_helper_funcs;
/* Skip machines without VGA that falsely report hotplug events */
if (dmi_check_system(intel_no_crt))
@@ -586,14 +615,23 @@ void intel_crt_init(struct drm_device *dev)
crt->base.clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT |
1 << INTEL_ANALOG_CLONE_BIT |
1 << INTEL_SDVO_LVDS_CLONE_BIT);
- crt->base.crtc_mask = (1 << 0) | (1 << 1);
+ if (IS_HASWELL(dev))
+ crt->base.crtc_mask = (1 << 0);
+ else
+ crt->base.crtc_mask = (1 << 0) | (1 << 1);
+
if (IS_GEN2(dev))
connector->interlace_allowed = 0;
else
connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
- drm_encoder_helper_add(&crt->base.base, &intel_crt_helper_funcs);
+ if (HAS_PCH_SPLIT(dev))
+ encoder_helper_funcs = &pch_encoder_funcs;
+ else
+ encoder_helper_funcs = &gmch_encoder_funcs;
+
+ drm_encoder_helper_add(&crt->base.base, encoder_helper_funcs);
drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
drm_sysfs_connector_add(connector);