From: Friedrich Vock <friedrich.vock@gmx.de>
To: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org
Cc: "Pierre-Loup Griffais" <pgriffais@valvesoftware.com>,
"Tvrtko Ursulin" <tvrtko.ursulin@igalia.com>,
"Bas Nieuwenhuizen" <bas@basnieuwenhuizen.nl>,
"Joshua Ashton" <joshua@froggi.es>,
"Christian König" <christian.koenig@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>
Subject: [RFC PATCH 04/18] drm/ttm: Add driver funcs for uneviction control
Date: Wed, 24 Apr 2024 18:56:54 +0200 [thread overview]
Message-ID: <20240424165937.54759-5-friedrich.vock@gmx.de> (raw)
In-Reply-To: <20240424165937.54759-1-friedrich.vock@gmx.de>
Provides fine-grained control for drivers over which buffers should be
considered when attempting to undo evictions.
Signed-off-by: Friedrich Vock <friedrich.vock@gmx.de>
---
include/drm/ttm/ttm_device.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h
index baa264efe483d..283795d674189 100644
--- a/include/drm/ttm/ttm_device.h
+++ b/include/drm/ttm/ttm_device.h
@@ -133,6 +133,29 @@ struct ttm_device_funcs {
void (*evict_flags)(struct ttm_buffer_object *bo,
struct ttm_placement *placement);
+ /**
+ * struct ttm_bo_driver member uneviction_valuable
+ *
+ * @bo: the buffer object to be unevicted
+ *
+ * Check with the driver if it is valuable to unevict a BO,
+ * that is to move it back to its placecment before it was
+ * evicted.
+ */
+ bool (*uneviction_valuable)(struct ttm_buffer_object *bo);
+ /**
+ * struct ttm_bo_driver member evict_flags:
+ *
+ * @bo: the buffer object that can be unevicted
+ * @dest: The placement for the unevicted buffer
+ *
+ * This should not cause multihop evictions, and the core will warn
+ * if one is proposed.
+ */
+
+ void (*unevict_flags)(struct ttm_buffer_object *bo,
+ struct ttm_placement *dest);
+
/**
* struct ttm_bo_driver member move:
*
--
2.44.0
next prev parent reply other threads:[~2024-04-24 17:01 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 16:56 [RFC PATCH 00/18] TTM interface for managing VRAM oversubscription Friedrich Vock
2024-04-24 16:56 ` [RFC PATCH 01/18] drm/ttm: Add tracking for evicted memory Friedrich Vock
2024-04-24 16:56 ` [RFC PATCH 02/18] drm/ttm: Add per-BO eviction tracking Friedrich Vock
2024-04-25 6:18 ` Christian König
2024-04-25 19:02 ` Matthew Brost
2024-04-26 6:27 ` Christian König
2024-04-24 16:56 ` [RFC PATCH 03/18] drm/ttm: Implement BO " Friedrich Vock
2024-04-24 16:56 ` Friedrich Vock [this message]
2024-04-24 16:56 ` [RFC PATCH 05/18] drm/ttm: Add option to evict no BOs in operation Friedrich Vock
2024-04-25 6:20 ` Christian König
2024-04-24 16:56 ` [RFC PATCH 06/18] drm/ttm: Add public buffer eviction/uneviction functions Friedrich Vock
2024-04-24 16:56 ` [RFC PATCH 07/18] drm/amdgpu: Add TTM uneviction control functions Friedrich Vock
2024-04-24 16:56 ` [RFC PATCH 08/18] drm/amdgpu: Don't try moving BOs to preferred domain before submit Friedrich Vock
2024-04-25 6:36 ` Christian König
2024-04-24 16:56 ` [RFC PATCH 09/18] drm/amdgpu: Don't mark VRAM as a busy placement for VRAM|GTT resources Friedrich Vock
2024-04-25 6:24 ` Christian König
2024-04-24 16:57 ` [RFC PATCH 10/18] drm/amdgpu: Don't add GTT to initial domains after failing to allocate VRAM Friedrich Vock
2024-04-25 6:25 ` Christian König
2024-04-25 7:39 ` Friedrich Vock
2024-04-25 7:54 ` Christian König
2024-04-24 16:57 ` [RFC PATCH 11/18] drm/ttm: Bump BO priority count Friedrich Vock
2024-04-24 16:57 ` [RFC PATCH 12/18] drm/ttm: Do not evict BOs with higher priority Friedrich Vock
2024-04-25 6:26 ` Christian König
2024-04-24 16:57 ` [RFC PATCH 13/18] drm/ttm: Implement ttm_bo_update_priority Friedrich Vock
2024-04-25 6:29 ` Christian König
2024-04-24 16:57 ` [RFC PATCH 14/18] drm/ttm: Consider BOs placed in non-favorite locations evicted Friedrich Vock
2024-04-24 16:57 ` [RFC PATCH 15/18] drm/amdgpu: Set a default priority for user/kernel BOs Friedrich Vock
2024-04-24 16:57 ` [RFC PATCH 16/18] drm/amdgpu: Implement SET_PRIORITY GEM op Friedrich Vock
2024-04-25 6:32 ` Christian König
2024-04-25 6:46 ` Friedrich Vock
2024-04-25 6:58 ` Christian König
2024-04-25 7:06 ` Friedrich Vock
2024-04-25 7:15 ` Christian König
2024-04-25 7:39 ` Friedrich Vock
2024-04-24 16:57 ` [RFC PATCH 17/18] drm/amdgpu: Implement EVICTED_VRAM query Friedrich Vock
2024-04-24 16:57 ` [RFC PATCH 18/18] drm/amdgpu: Bump minor version Friedrich Vock
2024-04-25 6:54 ` [RFC PATCH 00/18] TTM interface for managing VRAM oversubscription Christian König
2024-04-25 13:22 ` Marek Olšák
2024-04-25 13:33 ` Christian König
2024-05-02 14:23 ` Maarten Lankhorst
2024-05-13 13:44 ` Friedrich Vock
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240424165937.54759-5-friedrich.vock@gmx.de \
--to=friedrich.vock@gmx.de \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=bas@basnieuwenhuizen.nl \
--cc=christian.koenig@amd.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=joshua@froggi.es \
--cc=pgriffais@valvesoftware.com \
--cc=tvrtko.ursulin@igalia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).