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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c28
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 {