diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index cd756262924d..edfc54e41842 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 { |