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Message-ID: <20251104083605.13677-1-pierre-eric.pelloux-prayer@amd.com> Date: Tue, 4 Nov 2025 09:35:15 +0100 From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com> To: CC: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>, Christian König <christian.koenig@....com>, Alex Deucher <alexander.deucher@....com>, David Airlie <airlied@...il.com>, Felix Kuehling <Felix.Kuehling@....com>, Harry Wentland <harry.wentland@....com>, Huang Rui <ray.huang@....com>, Leo Li <sunpeng.li@....com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Simona Vetter <simona@...ll.ch>, Sumit Semwal <sumit.semwal@...aro.org>, Thomas Zimmermann <tzimmermann@...e.de>, <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>, <linaro-mm-sig@...ts.linaro.org>, <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org> Subject: [PATCH v1 00/20] drm/amdgpu: use all SDMA instances for TTM clears and moves The drm/ttm patch modifies TTM to support multiple contexts for the pipelined moves. Then amdgpu/ttm is updated to express dependencies between jobs explicitely, instead of relying on the ordering of execution guaranteed by the use of a single instance. With all of this in place, we can use multiple entities, with each having access to the available SDMA instances. This rework also gives the opportunity to merge the clear functions into a single one and to optimize a bit GART usage. (The first patch of the series has already been merged through drm-misc but I'm including it here to reduce conflicts) Pierre-Eric Pelloux-Prayer (20): drm/amdgpu: give each kernel job a unique id drm/ttm: rework pipelined eviction fence handling drm/amdgpu: remove direct_submit arg from amdgpu_copy_buffer drm/amdgpu: introduce amdgpu_ttm_entity drm/amdgpu: pass the entity to use to ttm functions drm/amdgpu: statically assign gart windows to ttm entities drm/amdgpu: allocate multiple clear entities drm/amdgpu: allocate multiple move entities drm/amdgpu: pass optional dependency to amdgpu_fill_buffer drm/amdgpu: prepare amdgpu_fill_buffer to use N entities drm/amdgpu: use multiple entities in amdgpu_fill_buffer drm/amdgpu: use TTM_FENCES_MAX_SLOT_COUNT drm/amdgpu: use multiple entities in amdgpu_move_blit drm/amdgpu: pass all the sdma rings to amdgpu_mman drm/amdgpu: introduce amdgpu_sdma_set_vm_pte_scheds drm/amdgpu: give ttm entities access to all the sdma scheds drm/amdgpu: get rid of amdgpu_ttm_clear_buffer drm/amdgpu: rename amdgpu_fill_buffer as amdgpu_clear_buffer drm/amdgpu: use larger gart window when possible drm/amdgpu: double AMDGPU_GTT_MAX_TRANSFER_SIZE drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 + drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c | 7 +- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 3 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 23 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 19 +- drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c | 3 +- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 19 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 496 ++++++++++++------ drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 51 +- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 8 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 24 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 12 +- drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 17 +- drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 17 +- drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 10 +- drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 10 +- drivers/gpu/drm/amd/amdgpu/si_dma.c | 10 +- drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 6 +- drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 6 +- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 31 +- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 +- .../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 2 +- .../drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c | 2 +- .../gpu/drm/ttm/tests/ttm_bo_validate_test.c | 13 +- drivers/gpu/drm/ttm/tests/ttm_resource_test.c | 5 +- drivers/gpu/drm/ttm/ttm_bo.c | 56 +- drivers/gpu/drm/ttm/ttm_bo_util.c | 36 +- drivers/gpu/drm/ttm/ttm_resource.c | 45 +- include/drm/ttm/ttm_resource.h | 34 +- 45 files changed, 651 insertions(+), 414 deletions(-) -- 2.43.0
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