From: Matthew Wilcox <willy@infradead.org>
To: christian.koenig@amd.com
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 13/34] drm/amdgpu: Convert ctx_handles to XArray
Date: Mon, 25 Feb 2019 08:39:09 -0800 [thread overview]
Message-ID: <20190225163909.GC2496@bombadil.infradead.org> (raw)
In-Reply-To: <88b3990d-b65c-1753-c8b8-3b72506937da@gmail.com>
On Mon, Feb 25, 2019 at 05:07:24PM +0100, Christian König wrote:
> > -#define AMDGPU_VM_MAX_NUM_CTX 4096
> > +#define AMDGPU_VM_CTX_LIMIT XA_LIMIT(0, 4095)
>
> IIRC we actually use 0 as reserved context value in some places.
That's OK; the ALLOC1 prevents it from using index 0.
You can change it to be XA_LIMIT(1, 4095) if you think that'll be clearer;
it'll be slightly less efficient assembly (a 64-bit mov-immediate instead
of a 32-bit mov-immediate), but it's your driver, so it's up to you.
> > @@ -533,22 +533,18 @@ int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx,
> > void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr)
> > {
> > mutex_init(&mgr->lock);
> > - idr_init(&mgr->ctx_handles);
> > + xa_init_flags(&mgr->ctx_handles, XA_FLAGS_ALLOC1);
> > }
> > void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
> > {
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next prev parent reply other threads:[~2019-02-25 16:39 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-21 18:41 [PATCH 00/34] Convert DRM to XArray Matthew Wilcox
2019-02-21 18:41 ` [PATCH 01/34] drm: Convert drm_minors_idr " Matthew Wilcox
2019-02-22 9:11 ` Daniel Vetter
2019-02-22 9:55 ` Daniel Vetter
2019-02-22 15:13 ` Matthew Wilcox
2019-02-21 18:41 ` [PATCH 02/34] drm: Convert aux_idr " Matthew Wilcox
2019-02-25 17:57 ` Ville Syrjälä
2019-02-25 18:42 ` Matthew Wilcox
2019-02-25 18:50 ` Ville Syrjälä
2019-02-21 18:41 ` [PATCH 03/34] drm: Convert object_name_idr " Matthew Wilcox
2019-02-22 9:17 ` Daniel Vetter
2019-02-21 18:41 ` [PATCH 04/34] drm: Convert object_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 05/34] drm: Convert syncobj_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 06/34] drm: Convert magic_map " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 07/34] drm: Convert lessee_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 08/34] drm: Remove linked lists for lessees Matthew Wilcox
2019-02-21 18:41 ` [PATCH 09/34] drm: Convert ctx_idr to XArray Matthew Wilcox
2019-02-21 18:41 ` [PATCH 10/34] drm: Convert tile_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 11/34] drm: Convert crtc_idr " Matthew Wilcox
2019-02-22 9:40 ` Daniel Vetter
2019-02-22 15:32 ` Matthew Wilcox
2019-02-22 17:12 ` Daniel Vetter
2019-02-21 18:41 ` [PATCH 12/34] drm/agp: Convert bo_list_handles " Matthew Wilcox
2019-02-25 16:06 ` Christian König
2019-02-25 16:39 ` Matthew Wilcox
2019-02-21 18:41 ` [PATCH 13/34] drm/amdgpu: Convert ctx_handles " Matthew Wilcox
2019-02-25 16:07 ` Christian König
2019-02-25 16:39 ` Matthew Wilcox [this message]
2019-02-25 16:59 ` Koenig, Christian
2019-02-25 18:47 ` Matthew Wilcox
2019-02-21 18:41 ` [PATCH 14/34] drm/amdgpu: Convert pasid_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 15/34] drm/amdkfd: Convert event_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 16/34] drm/amdkfd: Convert alloc_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 17/34] drm/etnaviv: Convert fence_idr " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 18/34] drm/i915: Convert handles_vma " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 19/34] drm/i915: Convert spt_tree " Matthew Wilcox
2019-02-21 18:41 ` [PATCH 20/34] drm/i915: Convert page_track_tree " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 21/34] drm/i915: Convert get_page " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 22/34] drm/i915: Convert object_idr to IDA Matthew Wilcox
2019-02-21 18:42 ` [PATCH 23/34] drm/i915: Convert context_idr to XArray Matthew Wilcox
2019-02-21 18:42 ` [PATCH 24/34] drm/i915: Convert metrics_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 25/34] drm/i915: Convert vgpus_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 26/34] drm/qxl: Convert release_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 27/34] drm/qxl: Convert surf_id_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 28/34] drm/tegra: Convert contexts IDR " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 29/34] drm/vc4: Convert perfmon " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 30/34] drm/sis: Convert object_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 31/34] drm/vgem: Convert fence_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 32/34] drm/via: Convert object_idr " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 33/34] drm/vmwgfx: Convert base IDR " Matthew Wilcox
2019-02-21 18:42 ` [PATCH 34/34] drm/vmwgfx: Convert res_idr " Matthew Wilcox
2019-02-22 9:54 ` [PATCH 00/34] Convert DRM " Daniel Vetter
2019-02-24 4:21 ` Matthew Wilcox
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