openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915: Remove DRIVER_MODESET checks in the gpu reset code 

Again, good riddance to UMS!

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2015-02-23 12:03:27 +01:00
parent d581893853
commit 33d30a9c5e
1 changed files with 23 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/gpu/drm/i915/i915_drv.c
View File

@ -863,38 +863,35 @@ int i915_reset(struct drm_device *dev)
* was running at the time of the reset (i.e. we weren't VT
* switched away).
*/
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
/* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */
dev_priv->gpu_error.reload_in_reset = true;
ret = i915_gem_init_hw(dev);
/* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */
dev_priv->gpu_error.reload_in_reset = true;
dev_priv->gpu_error.reload_in_reset = false;
ret = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
if (ret) {
DRM_ERROR("Failed hw init on reset %d\n", ret);
return ret;
}
dev_priv->gpu_error.reload_in_reset = false;
/*
* FIXME: This races pretty badly against concurrent holders of
* ring interrupts. This is possible since we've started to drop
* dev->struct_mutex in select places when waiting for the gpu.
*/
/*
* rps/rc6 re-init is necessary to restore state lost after the
* reset and the re-install of gt irqs. Skip for ironlake per
* previous concerns that it doesn't respond well to some forms
* of re-init after reset.
*/
if (INTEL_INFO(dev)->gen > 5)
intel_enable_gt_powersave(dev);
} else {
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->struct_mutex);
if (ret) {
DRM_ERROR("Failed hw init on reset %d\n", ret);
return ret;
}
/*
* FIXME: This races pretty badly against concurrent holders of
* ring interrupts. This is possible since we've started to drop
* dev->struct_mutex in select places when waiting for the gpu.
*/
/*
* rps/rc6 re-init is necessary to restore state lost after the
* reset and the re-install of gt irqs. Skip for ironlake per
* previous concerns that it doesn't respond well to some forms
* of re-init after reset.
*/
if (INTEL_INFO(dev)->gen > 5)
intel_enable_gt_powersave(dev);
return 0;
}