diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c deleted file mode 100644 index a172bba32b45..000000000000 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * Copyright 2017 Valve Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Andres Rodriguez - */ - -#include "amdgpu.h" -#include "amdgpu_ring.h" - -static int amdgpu_queue_mapper_init(struct amdgpu_queue_mapper *mapper, - int hw_ip) -{ - if (!mapper) - return -EINVAL; - - if (hw_ip > AMDGPU_MAX_IP_NUM) - return -EINVAL; - - mapper->hw_ip = hw_ip; - mutex_init(&mapper->lock); - - memset(mapper->queue_map, 0, sizeof(mapper->queue_map)); - - return 0; -} - -static struct amdgpu_ring *amdgpu_get_cached_map(struct amdgpu_queue_mapper *mapper, - int ring) -{ - return mapper->queue_map[ring]; -} - -static int amdgpu_update_cached_map(struct amdgpu_queue_mapper *mapper, - int ring, struct amdgpu_ring *pring) -{ - if (WARN_ON(mapper->queue_map[ring])) { - DRM_ERROR("Un-expected ring re-map\n"); - return -EINVAL; - } - - mapper->queue_map[ring] = pring; - - return 0; -} - -static int amdgpu_identity_map(struct amdgpu_device *adev, - struct amdgpu_queue_mapper *mapper, - u32 ring, - struct amdgpu_ring **out_ring) -{ - switch (mapper->hw_ip) { - case AMDGPU_HW_IP_GFX: - *out_ring = &adev->gfx.gfx_ring[ring]; - break; - case AMDGPU_HW_IP_COMPUTE: - *out_ring = &adev->gfx.compute_ring[ring]; - break; - case AMDGPU_HW_IP_DMA: - *out_ring = &adev->sdma.instance[ring].ring; - break; - case AMDGPU_HW_IP_UVD: - *out_ring = &adev->uvd.inst[0].ring; - break; - case AMDGPU_HW_IP_VCE: - *out_ring = &adev->vce.ring[ring]; - break; - case AMDGPU_HW_IP_UVD_ENC: - *out_ring = &adev->uvd.inst[0].ring_enc[ring]; - break; - case AMDGPU_HW_IP_VCN_DEC: - *out_ring = &adev->vcn.ring_dec; - break; - case AMDGPU_HW_IP_VCN_ENC: - *out_ring = &adev->vcn.ring_enc[ring]; - break; - case AMDGPU_HW_IP_VCN_JPEG: - *out_ring = &adev->vcn.ring_jpeg; - break; - default: - *out_ring = NULL; - DRM_ERROR("unknown HW IP type: %d\n", mapper->hw_ip); - return -EINVAL; - } - - return amdgpu_update_cached_map(mapper, ring, *out_ring); -} - -static enum amdgpu_ring_type amdgpu_hw_ip_to_ring_type(int hw_ip) -{ - switch (hw_ip) { - case AMDGPU_HW_IP_GFX: - return AMDGPU_RING_TYPE_GFX; - case AMDGPU_HW_IP_COMPUTE: - return AMDGPU_RING_TYPE_COMPUTE; - case AMDGPU_HW_IP_DMA: - return AMDGPU_RING_TYPE_SDMA; - case AMDGPU_HW_IP_UVD: - return AMDGPU_RING_TYPE_UVD; - case AMDGPU_HW_IP_VCE: - return AMDGPU_RING_TYPE_VCE; - default: - DRM_ERROR("Invalid HW IP specified %d\n", hw_ip); - return -1; - } -} - -static int amdgpu_lru_map(struct amdgpu_device *adev, - struct amdgpu_queue_mapper *mapper, - u32 user_ring, bool lru_pipe_order, - struct amdgpu_ring **out_ring) -{ - int r, i, j; - int ring_type = amdgpu_hw_ip_to_ring_type(mapper->hw_ip); - int ring_blacklist[AMDGPU_MAX_RINGS]; - struct amdgpu_ring *ring; - - /* 0 is a valid ring index, so initialize to -1 */ - memset(ring_blacklist, 0xff, sizeof(ring_blacklist)); - - for (i = 0, j = 0; i < AMDGPU_MAX_RINGS; i++) { - ring = mapper->queue_map[i]; - if (ring) - ring_blacklist[j++] = ring->idx; - } - - r = amdgpu_ring_lru_get(adev, ring_type, ring_blacklist, - j, lru_pipe_order, out_ring); - if (r) - return r; - - return amdgpu_update_cached_map(mapper, user_ring, *out_ring); -} - -/** - * amdgpu_queue_mgr_init - init an amdgpu_queue_mgr struct - * - * @adev: amdgpu_device pointer - * @mgr: amdgpu_queue_mgr structure holding queue information - * - * Initialize the the selected @mgr (all asics). - * - * Returns 0 on success, error on failure. - */ -int amdgpu_queue_mgr_init(struct amdgpu_device *adev, - struct amdgpu_queue_mgr *mgr) -{ - int i, r; - - if (!adev || !mgr) - return -EINVAL; - - memset(mgr, 0, sizeof(*mgr)); - - for (i = 0; i < AMDGPU_MAX_IP_NUM; ++i) { - r = amdgpu_queue_mapper_init(&mgr->mapper[i], i); - if (r) - return r; - } - - return 0; -} - -/** - * amdgpu_queue_mgr_fini - de-initialize an amdgpu_queue_mgr struct - * - * @adev: amdgpu_device pointer - * @mgr: amdgpu_queue_mgr structure holding queue information - * - * De-initialize the the selected @mgr (all asics). - * - * Returns 0 on success, error on failure. - */ -int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, - struct amdgpu_queue_mgr *mgr) -{ - return 0; -} - -/** - * amdgpu_queue_mgr_map - Map a userspace ring id to an amdgpu_ring - * - * @adev: amdgpu_device pointer - * @mgr: amdgpu_queue_mgr structure holding queue information - * @hw_ip: HW IP enum - * @instance: HW instance - * @ring: user ring id - * @our_ring: pointer to mapped amdgpu_ring - * - * Map a userspace ring id to an appropriate kernel ring. Different - * policies are configurable at a HW IP level. - * - * Returns 0 on success, error on failure. - */ -int amdgpu_queue_mgr_map(struct amdgpu_device *adev, - struct amdgpu_queue_mgr *mgr, - u32 hw_ip, u32 instance, u32 ring, - struct amdgpu_ring **out_ring) -{ - int i, r, ip_num_rings = 0; - struct amdgpu_queue_mapper *mapper = &mgr->mapper[hw_ip]; - - if (!adev || !mgr || !out_ring) - return -EINVAL; - - if (hw_ip >= AMDGPU_MAX_IP_NUM) - return -EINVAL; - - if (ring >= AMDGPU_MAX_RINGS) - return -EINVAL; - - /* Right now all IPs have only one instance - multiple rings. */ - if (instance != 0) { - DRM_DEBUG("invalid ip instance: %d\n", instance); - return -EINVAL; - } - - switch (hw_ip) { - case AMDGPU_HW_IP_GFX: - ip_num_rings = adev->gfx.num_gfx_rings; - break; - case AMDGPU_HW_IP_COMPUTE: - ip_num_rings = adev->gfx.num_compute_rings; - break; - case AMDGPU_HW_IP_DMA: - ip_num_rings = adev->sdma.num_instances; - break; - case AMDGPU_HW_IP_UVD: - for (i = 0; i < adev->uvd.num_uvd_inst; i++) { - if (!(adev->uvd.harvest_config & (1 << i))) - ip_num_rings++; - } - break; - case AMDGPU_HW_IP_VCE: - ip_num_rings = adev->vce.num_rings; - break; - case AMDGPU_HW_IP_UVD_ENC: - for (i = 0; i < adev->uvd.num_uvd_inst; i++) { - if (!(adev->uvd.harvest_config & (1 << i))) - ip_num_rings++; - } - ip_num_rings = - adev->uvd.num_enc_rings * ip_num_rings; - break; - case AMDGPU_HW_IP_VCN_DEC: - ip_num_rings = 1; - break; - case AMDGPU_HW_IP_VCN_ENC: - ip_num_rings = adev->vcn.num_enc_rings; - break; - case AMDGPU_HW_IP_VCN_JPEG: - ip_num_rings = 1; - break; - default: - DRM_DEBUG("unknown ip type: %d\n", hw_ip); - return -EINVAL; - } - - if (ring >= ip_num_rings) { - DRM_DEBUG("Ring index:%d exceeds maximum:%d for ip:%d\n", - ring, ip_num_rings, hw_ip); - return -EINVAL; - } - - mutex_lock(&mapper->lock); - - *out_ring = amdgpu_get_cached_map(mapper, ring); - if (*out_ring) { - /* cache hit */ - r = 0; - goto out_unlock; - } - - switch (mapper->hw_ip) { - case AMDGPU_HW_IP_GFX: - case AMDGPU_HW_IP_UVD: - case AMDGPU_HW_IP_VCE: - case AMDGPU_HW_IP_UVD_ENC: - case AMDGPU_HW_IP_VCN_DEC: - case AMDGPU_HW_IP_VCN_ENC: - case AMDGPU_HW_IP_VCN_JPEG: - r = amdgpu_identity_map(adev, mapper, ring, out_ring); - break; - case AMDGPU_HW_IP_DMA: - r = amdgpu_lru_map(adev, mapper, ring, false, out_ring); - break; - case AMDGPU_HW_IP_COMPUTE: - r = amdgpu_lru_map(adev, mapper, ring, true, out_ring); - break; - default: - *out_ring = NULL; - r = -EINVAL; - DRM_DEBUG("unknown HW IP type: %d\n", mapper->hw_ip); - } - -out_unlock: - mutex_unlock(&mapper->lock); - return r; -} |