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-rw-r--r--linux-core/radeon_drv.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c
index f0f3320e..934fa0b9 100644
--- a/linux-core/radeon_drv.c
+++ b/linux-core/radeon_drv.c
@@ -52,6 +52,28 @@ static int dri_library_name(struct drm_device * dev, char * buf)
"r300"));
}
+static int radeon_suspend(struct drm_device *dev, pm_message_t state)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ /* Disable *all* interrupts */
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
+ return 0;
+}
+
+static int radeon_resume(struct drm_device *dev)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ /* Restore interrupt registers */
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+ return 0;
+}
+
static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};
@@ -69,6 +91,8 @@ static struct drm_driver driver = {
.postclose = radeon_driver_postclose,
.lastclose = radeon_driver_lastclose,
.unload = radeon_driver_unload,
+ .suspend = radeon_suspend,
+ .resume = radeon_resume,
.get_vblank_counter = radeon_get_vblank_counter,
.enable_vblank = radeon_enable_vblank,
.disable_vblank = radeon_disable_vblank,