From 64e65f443a43c35967242fd13b494c251bc5d7ee Mon Sep 17 00:00:00 2001 From: Deepak R Varma Date: Wed, 4 Nov 2020 17:45:32 +0530 Subject: 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 Signed-off-by: Deepak R Varma Signed-off-by: Zhenyu Wang Link: http://patchwork.freedesktop.org/patch/msgid/20201104121532.GA48202@localhost --- drivers/gpu/drm/i915/gvt/vgpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/i915/gvt/vgpu.c') 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; -- cgit