From 2ddd1e6ccb139b9e7f1fed2883e34add832cbd77 Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Fri, 1 Jul 2022 20:52:54 +0200 Subject: 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 Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20220701185303.284082-2-dakr@redhat.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c') 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); -- cgit v1.2.3-70-g09d2