286 lines
8.1 KiB
Diff
286 lines
8.1 KiB
Diff
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
|
|
index 1c3a8c5..144624a 100644
|
|
--- a/drivers/gpu/drm/drm_crtc_helper.c
|
|
+++ b/drivers/gpu/drm/drm_crtc_helper.c
|
|
@@ -29,6 +29,8 @@
|
|
* Jesse Barnes <jesse.barnes@intel.com>
|
|
*/
|
|
|
|
+#include <linux/async.h>
|
|
+
|
|
#include "drmP.h"
|
|
#include "drm_crtc.h"
|
|
#include "drm_crtc_helper.h"
|
|
@@ -42,6 +44,8 @@ static struct drm_display_mode std_modes[] = {
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
};
|
|
|
|
+LIST_HEAD(drm_async_list);
|
|
+
|
|
/**
|
|
* drm_helper_probe_connector_modes - get complete set of display modes
|
|
* @dev: DRM device
|
|
@@ -137,6 +141,26 @@ int drm_helper_probe_connector_modes(struct drm_device *dev, uint32_t maxX,
|
|
}
|
|
EXPORT_SYMBOL(drm_helper_probe_connector_modes);
|
|
|
|
+int drm_helper_probe_connector_modes_fast(struct drm_device *dev, uint32_t maxX,
|
|
+ uint32_t maxY)
|
|
+{
|
|
+ struct drm_connector *connector;
|
|
+ int count = 0;
|
|
+
|
|
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
+ count += drm_helper_probe_single_connector_modes(connector,
|
|
+ maxX, maxY);
|
|
+ /*
|
|
+ * If we found a 'good' connector, we stop probing futher.
|
|
+ */
|
|
+ if (count > 0)
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return count;
|
|
+}
|
|
+EXPORT_SYMBOL(drm_helper_probe_connector_modes_fast);
|
|
+
|
|
static void drm_helper_add_std_modes(struct drm_device *dev,
|
|
struct drm_connector *connector)
|
|
{
|
|
@@ -882,6 +906,24 @@ bool drm_helper_plugged_event(struct drm_device *dev)
|
|
/* FIXME: send hotplug event */
|
|
return true;
|
|
}
|
|
+
|
|
+static void async_notify_fb_changed(void *data, async_cookie_t cookie)
|
|
+{
|
|
+ struct drm_device *dev = data;
|
|
+ dev->mode_config.funcs->fb_changed(dev);
|
|
+}
|
|
+
|
|
+static void async_probe_hard(void *data, async_cookie_t cookie)
|
|
+{
|
|
+ struct drm_device *dev = data;
|
|
+ /* Need to wait for async_notify_fb_changed to be done */
|
|
+ async_synchronize_cookie_domain(cookie, &drm_async_list);
|
|
+ drm_helper_probe_connector_modes(dev,
|
|
+ dev->mode_config.max_width,
|
|
+ dev->mode_config.max_height);
|
|
+}
|
|
+
|
|
+
|
|
/**
|
|
* drm_initial_config - setup a sane initial connector configuration
|
|
* @dev: DRM device
|
|
@@ -902,7 +944,7 @@ bool drm_helper_initial_config(struct drm_device *dev, bool can_grow)
|
|
struct drm_connector *connector;
|
|
int count = 0;
|
|
|
|
- count = drm_helper_probe_connector_modes(dev,
|
|
+ count = drm_helper_probe_connector_modes_fast(dev,
|
|
dev->mode_config.max_width,
|
|
dev->mode_config.max_height);
|
|
|
|
@@ -921,7 +963,9 @@ bool drm_helper_initial_config(struct drm_device *dev, bool can_grow)
|
|
drm_setup_crtcs(dev);
|
|
|
|
/* alert the driver fb layer */
|
|
- dev->mode_config.funcs->fb_changed(dev);
|
|
+ async_schedule_domain(async_notify_fb_changed, dev, &drm_async_list);
|
|
+ /* probe further outputs */
|
|
+ async_schedule_domain(async_probe_hard, dev, &drm_async_list);
|
|
|
|
return 0;
|
|
}
|
|
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
|
|
index 14c7a23..ef52021 100644
|
|
--- a/drivers/gpu/drm/drm_drv.c
|
|
+++ b/drivers/gpu/drm/drm_drv.c
|
|
@@ -48,6 +48,7 @@
|
|
|
|
#include "drmP.h"
|
|
#include "drm_core.h"
|
|
+#include <linux/async.h>
|
|
|
|
static int drm_version(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
@@ -345,6 +346,9 @@ void drm_exit(struct drm_driver *driver)
|
|
struct drm_device *dev, *tmp;
|
|
DRM_DEBUG("\n");
|
|
|
|
+ /* make sure all async DRM operations are finished */
|
|
+ async_synchronize_full_domain(&drm_async_list);
|
|
+
|
|
list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
|
|
drm_cleanup(dev);
|
|
|
|
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
|
|
index a839a28..069b189 100644
|
|
--- a/drivers/gpu/drm/drm_edid.c
|
|
+++ b/drivers/gpu/drm/drm_edid.c
|
|
@@ -588,20 +588,22 @@ static unsigned char *drm_ddc_read(struct i2c_adapter *adapter)
|
|
{
|
|
struct i2c_algo_bit_data *algo_data = adapter->algo_data;
|
|
unsigned char *edid = NULL;
|
|
+ int divider = 5;
|
|
int i, j;
|
|
|
|
algo_data->setscl(algo_data->data, 1);
|
|
|
|
- for (i = 0; i < 1; i++) {
|
|
+ for (i = 0; i < 2; i++) {
|
|
/* For some old monitors we need the
|
|
* following process to initialize/stop DDC
|
|
*/
|
|
+
|
|
algo_data->setsda(algo_data->data, 1);
|
|
- msleep(13);
|
|
+ msleep(13 / divider);
|
|
|
|
algo_data->setscl(algo_data->data, 1);
|
|
for (j = 0; j < 5; j++) {
|
|
- msleep(10);
|
|
+ msleep(10 / divider);
|
|
if (algo_data->getscl(algo_data->data))
|
|
break;
|
|
}
|
|
@@ -609,31 +611,33 @@ static unsigned char *drm_ddc_read(struct i2c_adapter *adapter)
|
|
continue;
|
|
|
|
algo_data->setsda(algo_data->data, 0);
|
|
- msleep(15);
|
|
+ msleep(15 / divider);
|
|
algo_data->setscl(algo_data->data, 0);
|
|
- msleep(15);
|
|
+ msleep(15 / divider);
|
|
algo_data->setsda(algo_data->data, 1);
|
|
- msleep(15);
|
|
+ msleep(15 / divider);
|
|
|
|
/* Do the real work */
|
|
edid = drm_do_probe_ddc_edid(adapter);
|
|
algo_data->setsda(algo_data->data, 0);
|
|
algo_data->setscl(algo_data->data, 0);
|
|
- msleep(15);
|
|
+ msleep(15 / divider);
|
|
|
|
algo_data->setscl(algo_data->data, 1);
|
|
for (j = 0; j < 10; j++) {
|
|
- msleep(10);
|
|
+ msleep(10 / divider);
|
|
if (algo_data->getscl(algo_data->data))
|
|
break;
|
|
}
|
|
|
|
algo_data->setsda(algo_data->data, 1);
|
|
- msleep(15);
|
|
+ msleep(15 / divider);
|
|
algo_data->setscl(algo_data->data, 0);
|
|
algo_data->setsda(algo_data->data, 0);
|
|
+
|
|
if (edid)
|
|
break;
|
|
+ divider = 1;
|
|
}
|
|
/* Release the DDC lines when done or the Apple Cinema HD display
|
|
* will switch off
|
|
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
|
|
index a283427..6f2eced 100644
|
|
--- a/drivers/gpu/drm/i915/intel_display.c
|
|
+++ b/drivers/gpu/drm/i915/intel_display.c
|
|
@@ -319,7 +319,7 @@ void
|
|
intel_wait_for_vblank(struct drm_device *dev)
|
|
{
|
|
/* Wait for 20ms, i.e. one cycle at 50hz. */
|
|
- udelay(20000);
|
|
+ mdelay(20);
|
|
}
|
|
|
|
static int
|
|
@@ -1466,12 +1466,12 @@ static void intel_setup_outputs(struct drm_device *dev)
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct drm_connector *connector;
|
|
|
|
- intel_crt_init(dev);
|
|
-
|
|
- /* Set up integrated LVDS */
|
|
+ /* Set up integrated LVDS -- will skip if the lid is closed */
|
|
if (IS_MOBILE(dev) && !IS_I830(dev))
|
|
intel_lvds_init(dev);
|
|
|
|
+ intel_crt_init(dev);
|
|
+
|
|
if (IS_I9XX(dev)) {
|
|
int found;
|
|
|
|
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
|
|
index 957daef..22a74bd 100644
|
|
--- a/drivers/gpu/drm/i915/intel_drv.h
|
|
+++ b/drivers/gpu/drm/i915/intel_drv.h
|
|
@@ -81,6 +81,7 @@ struct intel_output {
|
|
int type;
|
|
struct intel_i2c_chan *i2c_bus; /* for control functions */
|
|
struct intel_i2c_chan *ddc_bus; /* for DDC only stuff */
|
|
+ struct edid *edid;
|
|
bool load_detect_temp;
|
|
bool needs_tv_clock;
|
|
void *dev_priv;
|
|
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
|
|
index 0d211af..dc4fecc 100644
|
|
--- a/drivers/gpu/drm/i915/intel_lvds.c
|
|
+++ b/drivers/gpu/drm/i915/intel_lvds.c
|
|
@@ -336,6 +336,7 @@ static void intel_lvds_destroy(struct drm_connector *connector)
|
|
intel_i2c_destroy(intel_output->ddc_bus);
|
|
drm_sysfs_connector_remove(connector);
|
|
drm_connector_cleanup(connector);
|
|
+ kfree(intel_output->edid);
|
|
kfree(connector);
|
|
}
|
|
|
|
@@ -516,5 +517,6 @@ failed:
|
|
if (intel_output->ddc_bus)
|
|
intel_i2c_destroy(intel_output->ddc_bus);
|
|
drm_connector_cleanup(connector);
|
|
+ kfree(intel_output->edid);
|
|
kfree(connector);
|
|
}
|
|
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
|
|
index e42019e..8c0d5f6 100644
|
|
--- a/drivers/gpu/drm/i915/intel_modes.c
|
|
+++ b/drivers/gpu/drm/i915/intel_modes.c
|
|
@@ -70,13 +70,21 @@ int intel_ddc_get_modes(struct intel_output *intel_output)
|
|
struct edid *edid;
|
|
int ret = 0;
|
|
|
|
+ if (intel_output->edid) {
|
|
+ printk(KERN_INFO "Skipping EDID probe due to cached edid\n");
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
edid = drm_get_edid(&intel_output->base,
|
|
&intel_output->ddc_bus->adapter);
|
|
if (edid) {
|
|
drm_mode_connector_update_edid_property(&intel_output->base,
|
|
edid);
|
|
ret = drm_add_edid_modes(&intel_output->base, edid);
|
|
- kfree(edid);
|
|
+ if (intel_output->type == INTEL_OUTPUT_LVDS)
|
|
+ intel_output->edid = edid;
|
|
+ else
|
|
+ kfree(edid);
|
|
}
|
|
|
|
return ret;
|
|
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
|
|
index e5f4ae9..69ce4f4 100644
|
|
--- a/include/drm/drmP.h
|
|
+++ b/include/drm/drmP.h
|
|
@@ -304,6 +304,7 @@ struct drm_vma_entry {
|
|
pid_t pid;
|
|
};
|
|
|
|
+extern struct list_head drm_async_list;
|
|
/**
|
|
* DMA buffer.
|
|
*/
|