diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 49b06590001..edfc54e4184 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -897,6 +897,25 @@ static void radeon_check_arguments(struct radeon_device *rdev) } /** + * radeon_switcheroo_quirk_long_wakeup - return true if longer d3 delay is + * needed for waking up. + * + * @pdev: pci dev pointer + */ +static bool radeon_switcheroo_quirk_long_wakeup(struct pci_dev *pdev) +{ + + /* 6600m in a macbook pro */ + if (pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && + pdev->subsystem_device == 0x00e2) { + printk(KERN_INFO "radeon: quirking longer d3 wakeup delay\n"); + return true; + } + + return false; +} + +/** * radeon_switcheroo_set_state - set switcheroo state * * @pdev: pci dev pointer @@ -910,10 +929,19 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero struct drm_device *dev = pci_get_drvdata(pdev); pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; if (state == VGA_SWITCHEROO_ON) { + unsigned d3_delay = dev->pdev->d3_delay; + printk(KERN_INFO "radeon: switched on\n"); /* don't suspend or resume card normally */ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + + if (d3_delay < 20 && radeon_switcheroo_quirk_long_wakeup(pdev)) + dev->pdev->d3_delay = 20; + radeon_resume_kms(dev); + + dev->pdev->d3_delay = d3_delay; + dev->switch_power_state = DRM_SWITCH_POWER_ON; drm_kms_helper_poll_enable(dev); } else { @@ -1164,6 +1192,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) struct drm_crtc *crtc; struct drm_connector *connector; int i, r; + bool force_completion = false; if (dev == NULL || dev->dev_private == NULL) { return -ENODEV; @@ -1206,8 +1235,16 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) mutex_lock(&rdev->ring_lock); /* wait for gpu to finish processing current batch */ - for (i = 0; i < RADEON_NUM_RINGS; i++) - radeon_fence_wait_empty_locked(rdev, i); + for (i = 0; i < RADEON_NUM_RINGS; i++) { + r = radeon_fence_wait_empty_locked(rdev, i); + if (r) { + /* delay GPU reset to resume */ + force_completion = true; + } + } + if (force_completion) { + radeon_fence_driver_force_completion(rdev); + } mutex_unlock(&rdev->ring_lock); radeon_save_bios_scratch_regs(rdev); @@ -1338,7 +1375,6 @@ retry: } radeon_restore_bios_scratch_regs(rdev); - drm_helper_resume_force_mode(rdev->ddev); if (!r) { for (i = 0; i < RADEON_NUM_RINGS; ++i) { @@ -1358,11 +1394,14 @@ retry: } } } else { + radeon_fence_driver_force_completion(rdev); for (i = 0; i < RADEON_NUM_RINGS; ++i) { kfree(ring_data[i]); } } + drm_helper_resume_force_mode(rdev->ddev); + ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); if (r) { /* bad news, how to tell it to userspace ? */ |