summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
diff options
context:
space:
mode:
authorDanilo Krummrich <dakr@redhat.com>2022-07-01 20:52:54 +0200
committerMaxime Ripard <maxime@cerno.tech>2022-07-28 15:35:55 +0100
commit2ddd1e6ccb139b9e7f1fed2883e34add832cbd77 (patch)
tree216fc2de796797cace84264f581fe262b7dabd52 /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
parent5727dcfd8486399c40e39d2c08fe36fedab29d99 (diff)
drm/amdgpu: use idr_init_base() to initialize mgr->ctx_handles
idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient"), let us set an arbitrary base other than idr_init(), which uses base 0. Since, for this IDR, no ID < 1 is ever requested, using idr_init_base(&idr, 1) avoids unnecessary tree walks. Signed-off-by: Danilo Krummrich <dakr@redhat.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20220701185303.284082-2-dakr@redhat.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 2ef5296216d6..b212eaa280a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -842,7 +842,7 @@ void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr,
mgr->adev = adev;
mutex_init(&mgr->lock);
- idr_init(&mgr->ctx_handles);
+ idr_init_base(&mgr->ctx_handles, 1);
for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
atomic64_set(&mgr->time_spend[i], 0);