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path: root/drivers/gpu/drm/i915/intel_sdvo.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c210
1 files changed, 152 insertions, 58 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d251d9d7a06..0007a4d9bf6 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -96,7 +96,7 @@ struct intel_sdvo {
/*
* Hotplug activation bits for this device
*/
- uint8_t hotplug_active[2];
+ uint16_t hotplug_active;
/**
* This is used to select the color range of RBG outputs in HDMI mode.
@@ -627,6 +627,14 @@ static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
&outputs, sizeof(outputs));
}
+static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
+ u16 *outputs)
+{
+ return intel_sdvo_get_value(intel_sdvo,
+ SDVO_CMD_GET_ACTIVE_OUTPUTS,
+ outputs, sizeof(*outputs));
+}
+
static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
int mode)
{
@@ -1141,51 +1149,132 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
intel_sdvo_write_sdvox(intel_sdvo, sdvox);
}
-static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
+static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
{
- struct drm_device *dev = encoder->dev;
+ struct intel_sdvo_connector *intel_sdvo_connector =
+ to_intel_sdvo_connector(&connector->base);
+ struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
+ u16 active_outputs;
+
+ intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
+
+ if (active_outputs & intel_sdvo_connector->output_flag)
+ return true;
+ else
+ return false;
+}
+
+static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
+ enum pipe *pipe)
+{
+ struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
+ u32 tmp;
+
+ tmp = I915_READ(intel_sdvo->sdvo_reg);
+
+ if (!(tmp & SDVO_ENABLE))
+ return false;
+
+ if (HAS_PCH_CPT(dev))
+ *pipe = PORT_TO_PIPE_CPT(tmp);
+ else
+ *pipe = PORT_TO_PIPE(tmp);
+
+ return true;
+}
+
+static void intel_disable_sdvo(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
+ u32 temp;
+
+ intel_sdvo_set_active_outputs(intel_sdvo, 0);
+ if (0)
+ intel_sdvo_set_encoder_power_state(intel_sdvo,
+ DRM_MODE_DPMS_OFF);
+
+ temp = I915_READ(intel_sdvo->sdvo_reg);
+ if ((temp & SDVO_ENABLE) != 0) {
+ intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
+ }
+}
+
+static void intel_enable_sdvo(struct intel_encoder *encoder)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
u32 temp;
+ bool input1, input2;
+ int i;
+ u8 status;
+
+ temp = I915_READ(intel_sdvo->sdvo_reg);
+ if ((temp & SDVO_ENABLE) == 0)
+ intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
+ for (i = 0; i < 2; i++)
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
+
+ status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
+ /* Warn if the device reported failure to sync.
+ * A lot of SDVO devices fail to notify of sync, but it's
+ * a given it the status is a success, we succeeded.
+ */
+ if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(intel_sdvo));
+ }
+
+ if (0)
+ intel_sdvo_set_encoder_power_state(intel_sdvo,
+ DRM_MODE_DPMS_ON);
+ intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
+}
+
+static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
+{
+ struct drm_crtc *crtc;
+ struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+
+ /* dvo supports only 2 dpms states. */
+ if (mode != DRM_MODE_DPMS_ON)
+ mode = DRM_MODE_DPMS_OFF;
+
+ if (mode == connector->dpms)
+ return;
+
+ connector->dpms = mode;
+
+ /* Only need to change hw state when actually enabled */
+ crtc = intel_sdvo->base.base.crtc;
+ if (!crtc) {
+ intel_sdvo->base.connectors_active = false;
+ return;
+ }
if (mode != DRM_MODE_DPMS_ON) {
intel_sdvo_set_active_outputs(intel_sdvo, 0);
if (0)
intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
- if (mode == DRM_MODE_DPMS_OFF) {
- temp = I915_READ(intel_sdvo->sdvo_reg);
- if ((temp & SDVO_ENABLE) != 0) {
- intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
- }
- }
+ intel_sdvo->base.connectors_active = false;
+
+ intel_crtc_update_dpms(crtc);
} else {
- bool input1, input2;
- int i;
- u8 status;
-
- temp = I915_READ(intel_sdvo->sdvo_reg);
- if ((temp & SDVO_ENABLE) == 0)
- intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
- for (i = 0; i < 2; i++)
- intel_wait_for_vblank(dev, intel_crtc->pipe);
-
- status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
- /* Warn if the device reported failure to sync.
- * A lot of SDVO devices fail to notify of sync, but it's
- * a given it the status is a success, we succeeded.
- */
- if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
- DRM_DEBUG_KMS("First %s output reported failure to "
- "sync\n", SDVO_NAME(intel_sdvo));
- }
+ intel_sdvo->base.connectors_active = true;
+
+ intel_crtc_update_dpms(crtc);
if (0)
intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
}
- return;
+
+ intel_modeset_check_state(connector->dev);
}
static int intel_sdvo_mode_valid(struct drm_connector *connector,
@@ -1250,25 +1339,29 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in
return true;
}
-static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
+static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
{
struct drm_device *dev = intel_sdvo->base.base.dev;
- u8 response[2];
+ uint16_t hotplug;
/* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
* on the line. */
if (IS_I945G(dev) || IS_I945GM(dev))
- return false;
+ return 0;
- return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
- &response, 2) && response[0];
+ if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
+ &hotplug, sizeof(hotplug)))
+ return 0;
+
+ return hotplug;
}
static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
{
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
- intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
+ intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
+ &intel_sdvo->hotplug_active, 2);
}
static bool
@@ -1344,7 +1437,6 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
}
} else
status = connector_status_disconnected;
- connector->display_info.raw_edid = NULL;
kfree(edid);
}
@@ -1418,7 +1510,6 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
else
ret = connector_status_disconnected;
- connector->display_info.raw_edid = NULL;
kfree(edid);
} else
ret = connector_status_connected;
@@ -1464,7 +1555,6 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
drm_add_edid_modes(connector, edid);
}
- connector->display_info.raw_edid = NULL;
kfree(edid);
}
}
@@ -1836,8 +1926,8 @@ set_value:
done:
if (intel_sdvo->base.base.crtc) {
struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
- drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
- crtc->y, crtc->fb);
+ intel_set_mode(crtc, &crtc->mode,
+ crtc->x, crtc->y, crtc->fb);
}
return 0;
@@ -1845,15 +1935,13 @@ done:
}
static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
- .dpms = intel_sdvo_dpms,
.mode_fixup = intel_sdvo_mode_fixup,
- .prepare = intel_encoder_prepare,
.mode_set = intel_sdvo_mode_set,
- .commit = intel_encoder_commit,
+ .disable = intel_encoder_noop,
};
static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
+ .dpms = intel_sdvo_dpms,
.detect = intel_sdvo_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = intel_sdvo_set_property,
@@ -2025,6 +2113,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
connector->base.base.interlace_allowed = 1;
connector->base.base.doublescan_allowed = 0;
connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
intel_connector_attach_encoder(&connector->base, &encoder->base);
drm_sysfs_connector_add(&connector->base.base);
@@ -2063,17 +2152,18 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
intel_connector = &intel_sdvo_connector->base;
connector = &intel_connector->base;
- if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
+ if (intel_sdvo_get_hotplug_support(intel_sdvo) &
+ intel_sdvo_connector->output_flag) {
connector->polled = DRM_CONNECTOR_POLL_HPD;
- intel_sdvo->hotplug_active[0] |= 1 << device;
+ intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
/* Some SDVO devices have one-shot hotplug interrupts.
* Ensure that they get re-enabled when an interrupt happens.
*/
intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
intel_sdvo_enable_hotplug(intel_encoder);
- }
- else
+ } else {
connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+ }
encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
connector->connector_type = DRM_MODE_CONNECTOR_DVID;
@@ -2081,8 +2171,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
intel_sdvo->is_hdmi = true;
}
- intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
- (1 << INTEL_ANALOG_CLONE_BIT));
+ intel_sdvo->base.cloneable = true;
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
if (intel_sdvo->is_hdmi)
@@ -2113,7 +2202,7 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
intel_sdvo->is_tv = true;
intel_sdvo->base.needs_tv_clock = true;
- intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
+ intel_sdvo->base.cloneable = false;
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
@@ -2156,8 +2245,7 @@ intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
}
- intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
- (1 << INTEL_ANALOG_CLONE_BIT));
+ intel_sdvo->base.cloneable = true;
intel_sdvo_connector_init(intel_sdvo_connector,
intel_sdvo);
@@ -2189,8 +2277,10 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
}
- intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
- (1 << INTEL_SDVO_LVDS_CLONE_BIT));
+ /* SDVO LVDS is cloneable because the SDVO encoder does the upscaling,
+ * as opposed to native LVDS, where we upscale with the panel-fitter
+ * (and hence only the native LVDS resolution could be cloned). */
+ intel_sdvo->base.cloneable = true;
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
@@ -2575,6 +2665,10 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
+ intel_encoder->disable = intel_disable_sdvo;
+ intel_encoder->enable = intel_enable_sdvo;
+ intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
+
/* In default case sdvo lvds is false */
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
goto err;
@@ -2589,7 +2683,7 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
/* Only enable the hotplug irq if we need it, to work around noisy
* hotplug lines.
*/
- if (intel_sdvo->hotplug_active[0])
+ if (intel_sdvo->hotplug_active)
dev_priv->hotplug_supported_mask |= hotplug_mask;
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);