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From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
To: "Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>
Cc: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>,
	<amd-gfx@lists.freedesktop.org>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v6 3/8] drm/amdgpu: create multiple clear/move ttm entities
Date: Wed, 8 Apr 2026 12:03:14 +0200	[thread overview]
Message-ID: <20260408100327.1372-3-pierre-eric.pelloux-prayer@amd.com> (raw)
In-Reply-To: <20260408100327.1372-1-pierre-eric.pelloux-prayer@amd.com>

This enables parallelism of operations.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 0e9620df91b7..5d10c08fd989 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2356,8 +2356,8 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
 			return;
 		}
 
-		num_clear_entities = 1;
-		num_move_entities = 1;
+		num_clear_entities = MIN(adev->mman.num_buffer_funcs_scheds, TTM_NUM_MOVE_FENCES);
+		num_move_entities = MIN(adev->mman.num_buffer_funcs_scheds, TTM_NUM_MOVE_FENCES);
 		sched = adev->mman.buffer_funcs_scheds[0];
 		r = amdgpu_ttm_buffer_entity_init(&adev->mman.gtt_mgr,
 						  &adev->mman.default_entity,
-- 
2.43.0


  parent reply	other threads:[~2026-04-08 10:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-08 10:03 [PATCH v6 1/8] drm/amdgpu: pass all the sdma scheds to amdgpu_mman Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` [PATCH v6 2/8] drm/amdgpu: only use working sdma schedulers for ttm Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` Pierre-Eric Pelloux-Prayer [this message]
2026-04-08 10:03 ` [PATCH v6 4/8] drm/amdgpu: give ttm entities access to all the sdma scheds Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` [PATCH v6 5/8] drm/amdgpu: get rid of amdgpu_ttm_clear_buffer Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` [PATCH v6 6/8] drm/amdgpu: rename amdgpu_fill_buffer as amdgpu_ttm_clear_buffer Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` [PATCH v6 7/8] drm/amdgpu: split amdgpu_ttm_set_buffer_funcs_status in 2 funcs Pierre-Eric Pelloux-Prayer
2026-04-08 10:03 ` [PATCH v6 8/8] drm/amdgpu: use DRM_SCHED_PRIORITY_KERNEL for all ttm entities Pierre-Eric Pelloux-Prayer
2026-04-08 14:11   ` Christian König
2026-04-08 14:09 ` [PATCH v6 1/8] drm/amdgpu: pass all the sdma scheds to amdgpu_mman Christian König

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