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drm/i915: rip out GEM drm feature checks 

We always set it so there's no point in checking. We could
instead add a bit that tells us whether gem is actually
initialized (i.e. either kms or gem_init_ioctl called), but
that's imho not worth it.

So just rip it out.

There's a little change in the wait_ring timeout, but we've never
run with anything else than the 60 second timeout, even on dri1
userspace.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-04-23 16:50:50 +02:00
parent 7bb6fb8dd9
commit 63ed2cb2d1
2 changed files with 7 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/gpu/drm/i915/i915_gem.c
View File

@ -168,9 +168,6 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
size_t pinned;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
pinned = 0;
mutex_lock(&dev->struct_mutex);
list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list)
@ -246,6 +243,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_gem_create *args = data;
return i915_gem_create(file, dev,
args->size, &args->handle);
}
@ -931,9 +929,6 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
uint32_t write_domain = args->write_domain;
int ret;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
/* Only handle setting domains to types used by the CPU. */
if (write_domain & I915_GEM_GPU_DOMAINS)
return -EINVAL;
@ -987,9 +982,6 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int ret = 0;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@ -1025,9 +1017,6 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
struct drm_gem_object *obj;
unsigned long addr;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
obj = drm_gem_object_lookup(dev, file, args->handle);
if (obj == NULL)
return -ENOENT;
@ -1255,9 +1244,6 @@ i915_gem_mmap_gtt(struct drm_file *file,
struct drm_i915_gem_object *obj;
int ret;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@ -1315,9 +1301,6 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
{
struct drm_i915_gem_mmap_gtt *args = data;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
return i915_gem_mmap_gtt(file, dev, args->handle, &args->offset);
}

15
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -1164,15 +1164,12 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
return ret;
trace_i915_ring_wait_begin(ring);
if (drm_core_check_feature(dev, DRIVER_GEM))
/* With GEM the hangcheck timer should kick us out of the loop,
* leaving it early runs the risk of corrupting GEM state (due
* to running on almost untested codepaths). But on resume
* timers don't work yet, so prevent a complete hang in that
* case by choosing an insanely large timeout. */
end = jiffies + 60 * HZ;
else
end = jiffies + 3 * HZ;
/* With GEM the hangcheck timer should kick us out of the loop,
* leaving it early runs the risk of corrupting GEM state (due
* to running on almost untested codepaths). But on resume
* timers don't work yet, so prevent a complete hang in that
* case by choosing an insanely large timeout. */
end = jiffies + 60 * HZ;
do {
ring->head = I915_READ_HEAD(ring);