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drm/kms: disable/enable poll around switcheroo on/off

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Because we aren't in a suspend state the poll will still run when we have switcherooed a card off.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2010-06-01 09:09:06 +10:00
commit fbf81762e3
5 changed files with 33 additions and 7 deletions
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28
drivers/gpu/drm/drm_crtc_helper.c
View file

@ -860,19 +860,24 @@ static void output_poll_execute(struct slow_work *work)
}
}
void drm_kms_helper_poll_init(struct drm_device *dev)
void drm_kms_helper_poll_disable(struct drm_device *dev)
{
if (!dev->mode_config.poll_enabled)
return;
delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
}
EXPORT_SYMBOL(drm_kms_helper_poll_disable);
void drm_kms_helper_poll_enable(struct drm_device *dev)
{
struct drm_connector *connector;
bool poll = false;
struct drm_connector *connector;
int ret;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->polled)
poll = true;
}
slow_work_register_user(THIS_MODULE);
delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
&output_poll_ops);
if (poll) {
ret = delayed_slow_work_enqueue(&dev->mode_config.output_poll_slow_work, DRM_OUTPUT_POLL_PERIOD);
@ -880,11 +885,22 @@ void drm_kms_helper_poll_init(struct drm_device *dev)
DRM_ERROR("delayed enqueue failed %d\n", ret);
}
}
EXPORT_SYMBOL(drm_kms_helper_poll_enable);
void drm_kms_helper_poll_init(struct drm_device *dev)
{
slow_work_register_user(THIS_MODULE);
delayed_slow_work_init(&dev->mode_config.output_poll_slow_work,
&output_poll_ops);
dev->mode_config.poll_enabled = true;
drm_kms_helper_poll_enable(dev);
}
EXPORT_SYMBOL(drm_kms_helper_poll_init);
void drm_kms_helper_poll_fini(struct drm_device *dev)
{
delayed_slow_work_cancel(&dev->mode_config.output_poll_slow_work);
drm_kms_helper_poll_disable(dev);
slow_work_unregister_user(THIS_MODULE);
}
EXPORT_SYMBOL(drm_kms_helper_poll_fini);

4
drivers/gpu/drm/i915/i915_dma.c
View file

@ -1399,12 +1399,14 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_
struct drm_device *dev = pci_get_drvdata(pdev);
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_INFO "i915: switched off\n");
printk(KERN_INFO "i915: switched on\n");
/* i915 resume handler doesn't set to D0 */
pci_set_power_state(dev->pdev, PCI_D0);
i915_resume(dev);
drm_kms_helper_poll_enable(dev);
} else {
printk(KERN_ERR "i915: switched off\n");
drm_kms_helper_poll_disable(dev);
i915_suspend(dev, pmm);
}
}

3
drivers/gpu/drm/nouveau/nouveau_state.c
View file

@ -376,12 +376,15 @@ out_err:
static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
enum vga_switcheroo_state state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
nouveau_pci_resume(pdev);
drm_kms_helper_poll_enable(dev);
} else {
printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
drm_kms_helper_poll_disable(dev);
nouveau_pci_suspend(pdev, pmm);
}
}

2
drivers/gpu/drm/radeon/radeon_device.c
View file

@ -546,8 +546,10 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
/* don't suspend or resume card normally */
rdev->powered_down = false;
radeon_resume_kms(dev);
drm_kms_helper_poll_enable(dev);
} else {
printk(KERN_INFO "radeon: switched off\n");
drm_kms_helper_poll_disable(dev);
radeon_suspend_kms(dev, pmm);
/* don't suspend or resume card normally */
rdev->powered_down = true;

3
include/drm/drm_crtc_helper.h
View file

@ -130,4 +130,7 @@ extern int drm_helper_resume_force_mode(struct drm_device *dev);
extern void drm_kms_helper_poll_init(struct drm_device *dev);
extern void drm_kms_helper_poll_fini(struct drm_device *dev);
extern void drm_helper_hpd_irq_event(struct drm_device *dev);
extern void drm_kms_helper_poll_disable(struct drm_device *dev);
extern void drm_kms_helper_poll_enable(struct drm_device *dev);
#endif