This reverts commit 02f6bcccf7c324115747aae2f0addd6af5d321cd.
The OA buffer can contain global data (in particular, not linked to a
context or a single batch execution) about GPU events (eg. hw context
switches, rc6 transitions, frequency changes, ...) and needs to be
mapped to GGTT. The pin ioctl provided a way to do that.
Admittedly, this change broke what seems to be a valid use case of
pinning a buffer in GGTT, even when PPGTT is used (which is the reason
invoked in the commit message).
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
Cc: Tomasz Madajczak <tomasz.madajc...@intel.com>
Cc: Adam Rutkowski <adam.j.rutkow...@intel.com>
Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1794a04..8019809 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4143,9 +4143,6 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_object *obj;
int ret;
- if (INTEL_INFO(dev)->gen >= 6)
- return -ENODEV;
-
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
--
1.8.3.1
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