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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-06-19 18:40:00 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-06-20 11:31:44 +0200 |
| commit | 8e88a2bd5987178d16d53686197404e149e996d9 (patch) | |
| tree | 5d32107298cf3258e5b391fd092854d76f58d0b8 /drivers/gpu/drm/i915/i915_drv.c | |
| parent | drm/i915: return -ENODEV if hw context are not supported (diff) | |
| download | linux-8e88a2bd5987178d16d53686197404e149e996d9.tar.xz linux-8e88a2bd5987178d16d53686197404e149e996d9.zip | |
drm/i915: don't call modeset_init_hw in i915_reset
It seems to blow up my ilk in all kinds of strange ways. And now that
we're no longer resetting the entire modeset state, it shouldn't be
necessary any longer.
This essentially reverts
commit f817586cebf1b946d1f327f9a596048efd6b64e9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Apr 10 15:50:11 2012 +0200
drm/i915: re-init modeset hw state after gpu reset
safe for the introduction of modeset_init_hw, that one is nice to
prevent code duplication between driver load and resume.
v2: Add a comment to the code to warn future travellers of the dragon
dungeon ahead, suggested by Chris Wilson.
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e41aadef9937..d7dd60bb2745 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -904,10 +904,13 @@ int i915_reset(struct drm_device *dev) i915_gem_context_init(dev); i915_gem_init_ppgtt(dev); - mutex_unlock(&dev->struct_mutex); + /* + * It would make sense to re-init all the other hw state, at + * least the rps/rc6/emon init done within modeset_init_hw. For + * some unknown reason, this blows up my ilk, so don't. + */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) - intel_modeset_init_hw(dev); + mutex_unlock(&dev->struct_mutex); drm_irq_uninstall(dev); drm_irq_install(dev); |