From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org,
daniel@ffwll.ch
Subject: [PATCH 2/5] drm/ttm: remove the backing store if no placement is given
Date: Mon, 17 Feb 2020 16:45:06 +0100 [thread overview]
Message-ID: <20200217154509.2265-3-christian.koenig@amd.com> (raw)
In-Reply-To: <20200217154509.2265-1-christian.koenig@amd.com>
Pipeline removal of the BOs backing store when no placement is given
during validation.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 229205e499db..a56cb2a2b4ad 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1225,6 +1225,18 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
uint32_t new_flags;
dma_resv_assert_held(bo->base.resv);
+
+ /*
+ * Remove the backing store if no placement is given.
+ */
+ if (!placement->num_placement && !placement->num_busy_placement) {
+ ret = ttm_bo_pipeline_gutting(bo);
+ if (ret)
+ return ret;
+
+ return ttm_tt_create(bo, false);
+ }
+
/*
* Check whether we need to move buffer.
*/
--
2.17.1
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next prev parent reply other threads:[~2020-02-17 15:45 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-17 15:45 RFC: Unpinned DMA-buf handling Christian König
2020-02-17 15:45 ` [PATCH 1/5] dma-buf: add dynamic DMA-buf handling v14 Christian König
2020-02-17 15:50 ` Christian König
2020-02-17 15:45 ` Christian König [this message]
2020-02-17 15:45 ` [PATCH 3/5] drm/amdgpu: use allowed_domains for exported DMA-bufs Christian König
2020-02-17 15:45 ` [PATCH 4/5] drm/amdgpu: add amdgpu_dma_buf_pin/unpin v2 Christian König
2020-02-17 15:45 ` [PATCH 5/5] drm/amdgpu: implement amdgpu_gem_prime_move_notify v2 Christian König
2020-02-17 17:55 ` Daniel Vetter
2020-02-17 18:58 ` Christian König
2020-02-17 19:38 ` Daniel Vetter
2020-02-18 10:42 ` Christian König
2020-02-18 20:17 ` Thomas Hellström (VMware)
2020-02-18 21:01 ` Daniel Vetter
2020-02-19 6:42 ` Thomas Hellström (VMware)
2020-02-20 9:39 ` Thomas Hellström (VMware)
2020-02-20 18:04 ` Daniel Vetter
2020-02-20 19:46 ` Thomas Hellström (VMware)
2020-02-20 20:08 ` Daniel Vetter
2020-02-20 22:51 ` Thomas Hellström (VMware)
2020-02-21 17:12 ` Daniel Vetter
2020-02-21 19:45 ` Thomas Hellström (VMware)
2020-02-23 15:45 ` Christian König
2020-02-23 16:54 ` Thomas Hellström (VMware)
2020-02-24 18:46 ` Christian König
2020-02-24 21:11 ` Thomas Hellström (VMware)
2020-02-25 17:16 ` Daniel Vetter
2020-02-26 16:32 ` Daniel Vetter
2020-02-27 9:20 ` Christian König
2020-02-27 9:38 ` Daniel Vetter
-- strict thread matches above, loose matches on Subject: below --
2019-10-29 10:40 RFC: Unpinned DMA-buf handling Christian König
2019-10-29 10:40 ` [PATCH 2/5] drm/ttm: remove the backing store if no placement is given Christian König
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