diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-08 14:30:32 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-02-08 16:24:42 +0000 |
| commit | d80270931314a88d79d9bd5e0a5df93c12196375 (patch) | |
| tree | df7a4f979558c046c15b35527fc1f937f15eb43b | |
| parent | 20a8a74ad9473e498da47e3094fa73057f3246d1 (diff) | |
drm/i915: Split GEM resetting into 3 phases
Currently we do a reset prepare/finish around the call to reset the GPU,
but it looks like we need a later stage after the hw has been
reinitialised to allow GEM to restart itself. Start by splitting the 2
GEM phases into 3:
prepare - before the reset, check if GEM recovered, then stop GEM
reset - after the reset, update GEM bookkeeping
finish - after the re-initialisation following the reset, restart GEM
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170208143033.11651-2-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 7 |
3 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 78191e00a00c..d48c02a7933f 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1836,7 +1836,7 @@ void i915_reset(struct drm_i915_private *dev_priv) goto error; } - i915_gem_reset_finish(dev_priv); + i915_gem_reset(dev_priv); intel_overlay_reset(dev_priv); /* Ok, now get things going again... */ @@ -1859,6 +1859,7 @@ void i915_reset(struct drm_i915_private *dev_priv) goto error; } + i915_gem_reset_finish(dev_priv); i915_queue_hangcheck(dev_priv); wakeup: diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7fb362f1fba5..604b20ff0390 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3362,6 +3362,7 @@ static inline u32 i915_reset_count(struct i915_gpu_error *error) } int i915_gem_reset_prepare(struct drm_i915_private *dev_priv); +void i915_gem_reset(struct drm_i915_private *dev_priv); void i915_gem_reset_finish(struct drm_i915_private *dev_priv); void i915_gem_set_wedged(struct drm_i915_private *dev_priv); void i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 85251964ed8d..e8129935d78b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2758,7 +2758,7 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine) engine->reset_hw(engine, request); } -void i915_gem_reset_finish(struct drm_i915_private *dev_priv) +void i915_gem_reset(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -2780,6 +2780,11 @@ void i915_gem_reset_finish(struct drm_i915_private *dev_priv) } } +void i915_gem_reset_finish(struct drm_i915_private *dev_priv) +{ + lockdep_assert_held(&dev_priv->drm.struct_mutex); +} + static void nop_submit_request(struct drm_i915_gem_request *request) { dma_fence_set_error(&request->fence, -EIO); |