diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 68dc32058587..cf8ecc01deb4 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1369,6 +1369,14 @@ static int g4x_reset_complete(struct drm_device *dev) return (gdrst & GRDOM_RESET_ENABLE) == 0; } +static int g33_do_reset(struct drm_device *dev) +{ + /* FIXME spec says to turn off all planes and wait 1 usec before reset */ + + pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE); + return wait_for(g4x_reset_complete(dev), 500); +} + static int g4x_do_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -1452,7 +1460,9 @@ int intel_gpu_reset(struct drm_device *dev) return ironlake_do_reset(dev); else if (IS_G4X(dev)) return g4x_do_reset(dev); - else if (IS_GEN4(dev) || (IS_GEN3(dev) && !IS_G33(dev))) + else if (IS_G33(dev)) + return g33_do_reset(dev); + else if (INTEL_INFO(dev)->gen >= 3) return i915_do_reset(dev); else return -ENODEV; |
