From: Ben Skeggs <skeggsb@gmail.com>
To: Dave Airlie <airlied@gmail.com>
Cc: sroland@vmware.com,
"ML dri-devel" <dri-devel@lists.freedesktop.org>,
linux-graphics-maintainer@vmware.com,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Christian König" <christian.koenig@amd.com>,
"Ben Skeggs" <bskeggs@redhat.com>
Subject: Re: [PATCH 35/59] drm/ttm: make TTM responsible for cleaning system only.
Date: Wed, 5 Aug 2020 15:46:04 +1000 [thread overview]
Message-ID: <CACAvsv5n1Ck53SUw40EeFFYu5fQ0y5mDFOPxVq9uZnvEFs0cxw@mail.gmail.com> (raw)
In-Reply-To: <20200804025632.3868079-36-airlied@gmail.com>
On Tue, 4 Aug 2020 at 12:58, Dave Airlie <airlied@gmail.com> wrote:
>
> From: Dave Airlie <airlied@redhat.com>
>
> Drivers should all be cleaning up their memory managers
> themselves now, so let the core just clean the system one up.
>
> Remove the legacy cleaning interface.
>
> Reviewed-by: Christian König <christian.koenig@amd.com>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
> ---
> drivers/gpu/drm/ttm/ttm_bo.c | 54 +++------------------------------
> include/drm/ttm/ttm_bo_api.h | 28 -----------------
> include/drm/ttm/ttm_bo_driver.h | 10 ------
> 3 files changed, 4 insertions(+), 88 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index a45038c74de6..ebecb796dd49 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1452,42 +1452,6 @@ int ttm_mem_type_manager_force_list_clean(struct ttm_bo_device *bdev,
> }
> EXPORT_SYMBOL(ttm_mem_type_manager_force_list_clean);
>
> -int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type)
> -{
> - struct ttm_mem_type_manager *man;
> - int ret = -EINVAL;
> -
> - if (mem_type >= TTM_NUM_MEM_TYPES) {
> - pr_err("Illegal memory type %d\n", mem_type);
> - return ret;
> - }
> - man = &bdev->man[mem_type];
> -
> - if (!man->has_type) {
> - pr_err("Trying to take down uninitialized memory manager type %u\n",
> - mem_type);
> - return ret;
> - }
> -
> - ttm_mem_type_manager_disable(man);
> -
> - ret = 0;
> - if (mem_type > 0) {
> - ret = ttm_mem_type_manager_force_list_clean(bdev, man);
> - if (ret) {
> - pr_err("Cleanup eviction failed\n");
> - return ret;
> - }
> -
> - if (man->func->takedown)
> - ret = (*man->func->takedown)(man);
> - }
> -
> - ttm_mem_type_manager_cleanup(man);
> -
> - return ret;
> -}
> -EXPORT_SYMBOL(ttm_bo_clean_mm);
>
> int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
> {
> @@ -1591,21 +1555,11 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
> {
> struct ttm_bo_global *glob = &ttm_bo_glob;
> int ret = 0;
> - unsigned i = TTM_NUM_MEM_TYPES;
> + unsigned i;
> struct ttm_mem_type_manager *man;
>
> - while (i--) {
> - man = &bdev->man[i];
> - if (man->has_type) {
> - man->use_type = false;
> - if ((i != TTM_PL_SYSTEM) && ttm_bo_clean_mm(bdev, i)) {
> - ret = -EBUSY;
> - pr_err("DRM memory manager type %d is not clean\n",
> - i);
> - }
> - man->has_type = false;
> - }
> - }
> + man = &bdev->man[TTM_PL_SYSTEM];
> + ttm_mem_type_manager_disable(man);
>
> mutex_lock(&ttm_global_mutex);
> list_del(&bdev->device_list);
> @@ -1618,7 +1572,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
>
> spin_lock(&glob->lru_lock);
> for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
> - if (list_empty(&bdev->man[0].lru[0]))
> + if (list_empty(&man->lru[0]))
> pr_debug("Swap list %d was clean\n", i);
> spin_unlock(&glob->lru_lock);
>
> diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
> index 2c84622faa44..9c55eafd0e7d 100644
> --- a/include/drm/ttm/ttm_bo_api.h
> +++ b/include/drm/ttm/ttm_bo_api.h
> @@ -546,34 +546,6 @@ void ttm_mem_type_manager_init(struct ttm_bo_device *bdev,
> struct ttm_mem_type_manager *man,
> unsigned long p_size);
>
> -/**
> - * ttm_bo_clean_mm
> - *
> - * @bdev: Pointer to a ttm_bo_device struct.
> - * @mem_type: The memory type.
> - *
> - * Take down a manager for a given memory type after first walking
> - * the LRU list to evict any buffers left alive.
> - *
> - * Normally, this function is part of lastclose() or unload(), and at that
> - * point there shouldn't be any buffers left created by user-space, since
> - * there should've been removed by the file descriptor release() method.
> - * However, before this function is run, make sure to signal all sync objects,
> - * and verify that the delayed delete queue is empty. The driver must also
> - * make sure that there are no NO_EVICT buffers present in this memory type
> - * when the call is made.
> - *
> - * If this function is part of a VT switch, the caller must make sure that
> - * there are no appications currently validating buffers before this
> - * function is called. The caller can do that by first taking the
> - * struct ttm_bo_device::ttm_lock in write mode.
> - *
> - * Returns:
> - * -EINVAL: invalid or uninitialized memory type.
> - * -EBUSY: There are still buffers left in this memory type.
> - */
> -int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
> -
> /**
> * ttm_bo_evict_mm
> *
> diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> index 9b4c22abc22c..8cc39cd55a14 100644
> --- a/include/drm/ttm/ttm_bo_driver.h
> +++ b/include/drm/ttm/ttm_bo_driver.h
> @@ -48,16 +48,6 @@
> struct ttm_mem_type_manager;
>
> struct ttm_mem_type_manager_func {
> - /**
> - * struct ttm_mem_type_manager member takedown
> - *
> - * @man: Pointer to a memory type manager.
> - *
> - * Called to undo the setup done in init. All allocated resources
> - * should be freed.
> - */
> - int (*takedown)(struct ttm_mem_type_manager *man);
> -
> /**
> * struct ttm_mem_type_manager member get_node
> *
> --
> 2.26.2
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-08-05 5:46 UTC|newest]
Thread overview: 136+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 2:55 [00/59] ttm misc cleanups, mem refactoring, rename objects. (v2) Dave Airlie
2020-08-04 2:55 ` [PATCH 01/59] drm/vmwgfx: consolidate ttm object creation and populate Dave Airlie
2020-08-05 7:56 ` daniel
2020-08-04 2:55 ` [PATCH 02/59] drm/vmwgfx: drop bo map/unmap dma functions Dave Airlie
2020-08-05 7:59 ` daniel
2020-08-04 2:55 ` [PATCH 03/59] nouveau: use ttm populate mapping functions. (v2) Dave Airlie
2020-08-05 5:32 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 04/59] qxl/ttm: drop the unusued no wait flag to reserve function Dave Airlie
2020-08-04 10:46 ` Gerd Hoffmann
2020-08-04 2:55 ` [PATCH 05/59] drm/ttm/amdgpu: consolidate ttm reserve paths Dave Airlie
2020-08-04 10:33 ` Christian König
2020-08-04 2:55 ` [PATCH 06/59] drm/ttm: use a helper for unlocked moves to the lru tail Dave Airlie
2020-08-04 10:34 ` Christian König
2020-08-05 5:32 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 07/59] drm/vram-helper: remove populate/unpopulate Dave Airlie
2020-08-04 6:54 ` Thomas Zimmermann
2020-08-04 2:55 ` [PATCH 08/59] drm/ttm: export memory type debug entrypoint Dave Airlie
2020-08-04 10:35 ` Christian König
2020-08-05 5:34 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 09/59] drm/nouveau/ttm: don't fill in blank ttm debug callback Dave Airlie
2020-08-05 5:34 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 10/59] drm/vmwgfx/gmrid: don't provide pointless " Dave Airlie
2020-08-04 2:55 ` [PATCH 11/59] drm/qxl/ttm: call ttm manager debug (v2) Dave Airlie
2020-08-04 10:48 ` Gerd Hoffmann
2020-08-04 2:55 ` [PATCH 12/59] drm/vram-helper: call the ttm manager debug function Dave Airlie
2020-08-04 6:55 ` Thomas Zimmermann
2020-08-04 10:48 ` Gerd Hoffmann
2020-08-04 2:55 ` [PATCH 13/59] drm/ttm: split the mm manager init code (v2) Dave Airlie
2020-08-04 11:07 ` Christian König
2020-08-04 13:08 ` Christian König
2020-08-04 11:10 ` Christian König
2020-08-04 2:55 ` [PATCH 14/59] drm/ttm: provide a driver-led init path for range mm manager. (v2) Dave Airlie
2020-08-04 2:55 ` [PATCH 15/59] drm/amdgpu/ttm: init managers from the driver side Dave Airlie
2020-08-04 11:15 ` Christian König
2020-08-04 2:55 ` [PATCH 16/59] drm/radeon: use new ttm man init path Dave Airlie
2020-08-04 11:15 ` Christian König
2020-08-04 2:55 ` [PATCH 17/59] drm/qxl/ttm: use new init path for manager Dave Airlie
2020-08-04 10:49 ` Gerd Hoffmann
2020-08-04 2:55 ` [PATCH 18/59] drm/vram_helper: use new ttm manager init function Dave Airlie
2020-08-04 6:58 ` Thomas Zimmermann
2020-08-04 10:49 ` Gerd Hoffmann
2020-08-04 2:55 ` [PATCH 19/59] drm/nouveau: use new memory manager init paths Dave Airlie
2020-08-05 5:40 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 20/59] drm/vmwgfx/ttm: convert vram mm init to new code paths Dave Airlie
2020-08-05 8:57 ` daniel
2020-08-04 2:55 ` [PATCH 21/59] drm/vmwgfx/ttm: switch gmrid allocator to new init paths Dave Airlie
2020-08-05 9:00 ` daniel
2020-08-04 2:55 ` [PATCH 22/59] drm/ttm: convert system manager init to new code Dave Airlie
2020-08-05 5:40 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 23/59] drm/ttm: purge old manager init path Dave Airlie
2020-08-05 5:41 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 24/59] drm/ttm: pass man around instead of mem_type in some places Dave Airlie
2020-08-05 5:42 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 25/59] drm/ttm: make some inline helper functions for cleanup paths. (v2) Dave Airlie
2020-08-04 11:18 ` Christian König
2020-08-05 5:42 ` Ben Skeggs
2020-08-04 2:55 ` [PATCH 26/59] drm/ttm: start allowing drivers to use new takedown path (v2) Dave Airlie
2020-08-04 11:20 ` Christian König
2020-08-05 5:43 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 27/59] drm/amdgpu/ttm: use new takedown path Dave Airlie
2020-08-04 2:56 ` [PATCH 28/59] drm/vmwgfx: takedown vram manager Dave Airlie
2020-08-05 9:19 ` daniel
2020-08-04 2:56 ` [PATCH 29/59] drm/vram_helper: call explicit mm takedown Dave Airlie
2020-08-04 6:59 ` Thomas Zimmermann
2020-08-04 2:56 ` [PATCH 30/59] drm/nouveau: use new cleanup paths Dave Airlie
2020-08-05 5:44 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 31/59] drm/radeon/ttm: use new takedown paths Dave Airlie
2020-08-04 2:56 ` [PATCH 32/59] drm/qxl/ttm: use new takedown path Dave Airlie
2020-08-04 10:50 ` Gerd Hoffmann
2020-08-04 2:56 ` [PATCH 33/59] drm/vmwgfx: fix gmrid takedown paths to new interface Dave Airlie
2020-08-05 9:21 ` daniel
2020-08-04 2:56 ` [PATCH 34/59] drm/ttm: remove range manager legacy takedown path Dave Airlie
2020-08-05 5:45 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 35/59] drm/ttm: make TTM responsible for cleaning system only Dave Airlie
2020-08-05 5:46 ` Ben Skeggs [this message]
2020-08-04 2:56 ` [PATCH 36/59] drm/ttm: add wrapper to get manager from bdev Dave Airlie
2020-08-04 11:25 ` Christian König
2020-08-05 5:47 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 37/59] drm/amdgfx/ttm: use wrapper to get ttm memory managers Dave Airlie
2020-08-04 11:26 ` Christian König
2020-08-04 2:56 ` [PATCH 38/59] drm/vram-helper: use wrapper to access " Dave Airlie
2020-08-04 7:00 ` Thomas Zimmermann
2020-08-04 2:56 ` [PATCH 39/59] drm/nouveau/ttm: " Dave Airlie
2020-08-05 5:48 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 40/59] drm/qxl/ttm: use wrapper to access memory manager Dave Airlie
2020-08-04 10:50 ` Gerd Hoffmann
2020-08-04 2:56 ` [PATCH 41/59] drm/radeon/ttm: " Dave Airlie
2020-08-04 11:29 ` Christian König
2020-08-04 2:56 ` [PATCH 42/59] drm/vmwgfx/ttm: " Dave Airlie
2020-08-05 9:22 ` daniel
2020-08-04 2:56 ` [PATCH 43/59] drm/ttm: rename manager variable to make sure wrapper is used Dave Airlie
2020-08-04 11:29 ` Christian König
2020-08-05 5:49 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 44/59] drm/ttm: allow drivers to provide their own manager subclasses Dave Airlie
2020-08-04 11:30 ` Christian König
2020-08-05 5:49 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 45/59] drm/amdgpu/ttm: use bo manager subclassing for vram/gtt mgrs Dave Airlie
2020-08-04 11:32 ` Christian König
2020-08-04 2:56 ` [PATCH 46/59] drm/ttm: make ttm_range_man_init/takedown take type + args Dave Airlie
2020-08-04 11:35 ` Christian König
2020-08-05 5:51 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 47/59] drm/ttm: move range manager to subclassed driver allocation Dave Airlie
2020-08-05 5:52 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 48/59] drm/vmwgfx/ttm: move thp to driver managed Dave Airlie
2020-08-05 9:24 ` daniel
2020-08-04 2:56 ` [PATCH 49/59] drm/vmwgfx/gmrid: convert to driver controlled allocation Dave Airlie
2020-08-05 9:26 ` daniel
2020-08-04 2:56 ` [PATCH 50/59] drm/nouveau/ttm: move to driver allocated manager Dave Airlie
2020-08-05 5:53 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 51/59] drm/ttm: drop priv pointer in memory manager Dave Airlie
2020-08-05 5:54 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 52/59] drm/amdgpu/ttm: remove man->bdev references Dave Airlie
2020-08-04 2:56 ` [PATCH 53/59] drm/ttm: drop man->bdev link Dave Airlie
2020-08-05 5:54 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 54/59] drm/ttm: drop list of memory managers from device. (v2) Dave Airlie
2020-08-04 11:37 ` Christian König
2020-08-05 5:55 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 55/59] drm/ttm: drop type manager has_type Dave Airlie
2020-08-04 11:37 ` Christian König
2020-08-05 5:55 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 56/59] drm/ttm: add a wrapper for checking if manager is in use Dave Airlie
2020-08-04 11:38 ` Christian König
2020-08-05 5:56 ` Ben Skeggs
2020-08-05 9:04 ` daniel
2020-08-04 2:56 ` [PATCH 57/59] drm/ttm: rename bo manager to range manager Dave Airlie
2020-08-04 11:40 ` Christian König
2020-08-05 5:56 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 58/59] drm/ttm: rename ttm_mem_type_manager -> ttm_resource_manager Dave Airlie
2020-08-04 11:41 ` Christian König
2020-08-05 5:57 ` Ben Skeggs
2020-08-04 2:56 ` [PATCH 59/59] drm/ttm: rename ttm_mem_reg to ttm_resource Dave Airlie
2020-08-04 11:41 ` Christian König
2020-08-05 5:58 ` Ben Skeggs
2020-08-04 3:01 ` [00/59] ttm misc cleanups, mem refactoring, rename objects. (v2) Dave Airlie
2020-08-05 11:55 ` Christian König
2020-08-05 11:59 ` Christian König
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=CACAvsv5n1Ck53SUw40EeFFYu5fQ0y5mDFOPxVq9uZnvEFs0cxw@mail.gmail.com \
--to=skeggsb@gmail.com \
--cc=airlied@gmail.com \
--cc=bskeggs@redhat.com \
--cc=christian.koenig@amd.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=kraxel@redhat.com \
--cc=linux-graphics-maintainer@vmware.com \
--cc=sroland@vmware.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 NNTP newsgroup(s).