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From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH 3/7] drm/ttm: allow reserve more than one shared slot
Date: Mon, 24 Sep 2018 13:58:15 +0200	[thread overview]
Message-ID: <20180924115819.2116-4-christian.koenig@amd.com> (raw)
In-Reply-To: <20180924115819.2116-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>

Let's support simultaneous submissions to multiple engines.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/ttm/ttm_execbuf_util.c | 6 ++++--
 include/drm/ttm/ttm_execbuf_util.h     | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index e493edb0d3e7..9b842884530a 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -129,7 +129,8 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 			if (!entry->shared)
 				continue;
 
-			ret = reservation_object_reserve_shared(bo->resv, 1);
+			ret = reservation_object_reserve_shared(bo->resv,
+								entry->shared);
 			if (!ret)
 				continue;
 		}
@@ -151,7 +152,8 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 		}
 
 		if (!ret && entry->shared)
-			ret = reservation_object_reserve_shared(bo->resv, 1);
+			ret = reservation_object_reserve_shared(bo->resv,
+								entry->shared);
 
 		if (unlikely(ret != 0)) {
 			if (ret == -EINTR)
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h
index b0fdd1980034..3b16dda9bd08 100644
--- a/include/drm/ttm/ttm_execbuf_util.h
+++ b/include/drm/ttm/ttm_execbuf_util.h
@@ -46,7 +46,7 @@
 struct ttm_validate_buffer {
 	struct list_head head;
 	struct ttm_buffer_object *bo;
-	bool shared;
+	unsigned int shared;
 };
 
 /**
-- 
2.14.1

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  parent reply	other threads:[~2018-09-24 11:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-24 11:58 Improve reservation object shared slot function Christian König
     [not found] ` <20180924115819.2116-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2018-09-24 11:58   ` [PATCH 1/7] dma-buf: remove shared fence staging in reservation object Christian König
2018-09-24 11:58   ` [PATCH 2/7] dma-buf: allow reserving more than one shared fence slot Christian König
2018-09-24 11:58   ` Christian König [this message]
2018-09-24 14:11     ` [PATCH 3/7] drm/ttm: allow reserve more than one shared slot Michel Dänzer
2018-09-24 11:58   ` [PATCH 4/7] drm/amdgpu: fix using shared fence for exported BOs Christian König
2018-09-24 11:58   ` [PATCH 6/7] drm/amdgpu: always reserve one more shared slot for pipelines BO moves Christian König
2018-09-24 11:58   ` [PATCH 7/7] drm/ttm: drop the extra reservation " Christian König
2018-09-24 11:58 ` [PATCH 5/7] drm/amdgpu: always reserve two slots for the VM Christian König
     [not found]   ` <20180924115819.2116-6-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2018-09-24 14:14     ` Michel Dänzer
2018-09-24 15:03 ` Improve reservation object shared slot function Daniel Vetter
     [not found]   ` <20180924150319.GV11082-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org>
2018-09-24 15:16     ` Christian König
     [not found]       ` <b84dbae6-12ce-5632-d80f-567cb7fe678b-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-09-24 15:43         ` Daniel Vetter

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