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| author | Deepak R Varma <mh12gx2825@gmail.com> | 2020-11-04 17:45:32 +0530 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2020-11-11 10:30:07 +0800 |
| commit | 64e65f443a43c35967242fd13b494c251bc5d7ee (patch) | |
| tree | 37a8d160bd16f2f58f141f8cca4ace5230632aff | |
| parent | a5a8ef937cfa79167f4b2a5602092b8d14fd6b9a (diff) | |
| download | linux-64e65f443a43c35967242fd13b494c251bc5d7ee.tar.gz linux-64e65f443a43c35967242fd13b494c251bc5d7ee.tar.bz2 linux-64e65f443a43c35967242fd13b494c251bc5d7ee.zip | |
drm/i915/gvt: replace idr_init() by idr_init_base()
idr_init() uses base 0 which is an invalid identifier. The new function
idr_init_base allows IDR to set the ID lookup from base 1. This avoids
all lookups that otherwise starts from 0 since 0 is always unused.
References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient")
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20201104121532.GA48202@localhost
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/vgpu.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 495b6afd6571..0262a6fa3a6c 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -312,7 +312,7 @@ int intel_gvt_init_device(struct drm_i915_private *i915) gvt_dbg_core("init gvt device\n"); - idr_init(&gvt->vgpu_idr); + idr_init_base(&gvt->vgpu_idr, 1); spin_lock_init(&gvt->scheduler.mmio_context_lock); mutex_init(&gvt->lock); mutex_init(&gvt->sched_lock); diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 8fa9b31a2484..85bfcc15385f 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -392,7 +392,7 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, mutex_init(&vgpu->dmabuf_lock); INIT_LIST_HEAD(&vgpu->dmabuf_obj_list_head); INIT_RADIX_TREE(&vgpu->page_track_tree, GFP_KERNEL); - idr_init(&vgpu->object_idr); + idr_init_base(&vgpu->object_idr, 1); intel_vgpu_init_cfg_space(vgpu, param->primary); vgpu->d3_entered = false; |