diff options
| author | Stefan Becker <stefan.becker@nokia.com> | 2008-07-26 16:49:14 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2008-07-26 16:49:14 +0200 |
| commit | 514c05cebe31a62f827a76f348d35596bef97811 (patch) | |
| tree | 244646d3fd9e5b907bf3c70b7a01ca92a17f60cf /linux-core/radeon_drv.c | |
| parent | c3d463840c902a28221f1514bfb69fb7905a05c2 (diff) | |
radeon: Add suspend/resume hooks for saving/clearing/restoring interrupts.
Fixes http://bugs.freedesktop.org/show_bug.cgi?id=16799 .
Diffstat (limited to 'linux-core/radeon_drv.c')
| -rw-r--r-- | linux-core/radeon_drv.c | 24 |
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, |