MODULE_PARM_DESC(disable_power_well,
"Disable the power well when possible (default: false)");
+int i915_enable_ips __read_mostly = 1;
+module_param_named(enable_ips, i915_enable_ips, int, 0600);
+MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)");
+
static struct drm_driver driver;
extern int intel_agp_enabled;
.is_haswell = 1,
.has_ddi = 1,
.has_fpga_dbg = 1,
+ .has_vebox_ring = 1,
};
static const struct intel_device_info intel_haswell_m_info = {
.has_ddi = 1,
.has_fpga_dbg = 1,
.has_fbc = 1,
+ .has_vebox_ring = 1,
};
static const struct pci_device_id pciidlist[] = { /* aka */
int intel_gpu_reset(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret = -ENODEV;
-
switch (INTEL_INFO(dev)->gen) {
case 7:
- case 6:
- ret = gen6_do_reset(dev);
- break;
- case 5:
- ret = ironlake_do_reset(dev);
- break;
- case 4:
- ret = i965_do_reset(dev);
- break;
- case 2:
- ret = i8xx_do_reset(dev);
- break;
+ case 6: return gen6_do_reset(dev);
+ case 5: return ironlake_do_reset(dev);
+ case 4: return i965_do_reset(dev);
+ case 2: return i8xx_do_reset(dev);
+ default: return -ENODEV;
}
-
- /* Also reset the gpu hangman. */
- if (dev_priv->gpu_error.stop_rings) {
- DRM_INFO("Simulated gpu hang, resetting stop_rings\n");
- dev_priv->gpu_error.stop_rings = 0;
- if (ret == -ENODEV) {
- DRM_ERROR("Reset not implemented, but ignoring "
- "error for simulated gpu hangs\n");
- ret = 0;
- }
- }
-
- return ret;
}
/**
int i915_reset(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ bool simulated;
int ret;
if (!i915_try_reset)
i915_gem_reset(dev);
- ret = -ENODEV;
- if (get_seconds() - dev_priv->gpu_error.last_reset < 5)
+ simulated = dev_priv->gpu_error.stop_rings != 0;
+
+ if (!simulated && get_seconds() - dev_priv->gpu_error.last_reset < 5) {
DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
- else
+ ret = -ENODEV;
+ } else {
ret = intel_gpu_reset(dev);
- dev_priv->gpu_error.last_reset = get_seconds();
+ /* Also reset the gpu hangman. */
+ if (simulated) {
+ DRM_INFO("Simulated gpu hang, resetting stop_rings\n");
+ dev_priv->gpu_error.stop_rings = 0;
+ if (ret == -ENODEV) {
+ DRM_ERROR("Reset not implemented, but ignoring "
+ "error for simulated gpu hangs\n");
+ ret = 0;
+ }
+ } else
+ dev_priv->gpu_error.last_reset = get_seconds();
+ }
if (ret) {
DRM_ERROR("Failed to reset chip.\n");
mutex_unlock(&dev->struct_mutex);