diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 1009 |
1 files changed, 1009 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c new file mode 100644 index 000000000..23f0067f9 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -0,0 +1,1009 @@ +/* + * Copyright 2014 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * 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. + * + */ + +#include <linux/firmware.h> +#include "amdgpu.h" +#include "amdgpu_gfx.h" +#include "amdgpu_rlc.h" +#include "amdgpu_ras.h" + +/* delay 0.1 second to enable gfx off feature */ +#define GFX_OFF_DELAY_ENABLE msecs_to_jiffies(100) + +#define GFX_OFF_NO_DELAY 0 + +/* + * GPU GFX IP block helpers function. + */ + +int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec, + int pipe, int queue) +{ + int bit = 0; + + bit += mec * adev->gfx.mec.num_pipe_per_mec + * adev->gfx.mec.num_queue_per_pipe; + bit += pipe * adev->gfx.mec.num_queue_per_pipe; + bit += queue; + + return bit; +} + +void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit, + int *mec, int *pipe, int *queue) +{ + *queue = bit % adev->gfx.mec.num_queue_per_pipe; + *pipe = (bit / adev->gfx.mec.num_queue_per_pipe) + % adev->gfx.mec.num_pipe_per_mec; + *mec = (bit / adev->gfx.mec.num_queue_per_pipe) + / adev->gfx.mec.num_pipe_per_mec; + +} + +bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, + int mec, int pipe, int queue) +{ + return test_bit(amdgpu_gfx_mec_queue_to_bit(adev, mec, pipe, queue), + adev->gfx.mec.queue_bitmap); +} + +int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, + int me, int pipe, int queue) +{ + int bit = 0; + + bit += me * adev->gfx.me.num_pipe_per_me + * adev->gfx.me.num_queue_per_pipe; + bit += pipe * adev->gfx.me.num_queue_per_pipe; + bit += queue; + + return bit; +} + +void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit, + int *me, int *pipe, int *queue) +{ + *queue = bit % adev->gfx.me.num_queue_per_pipe; + *pipe = (bit / adev->gfx.me.num_queue_per_pipe) + % adev->gfx.me.num_pipe_per_me; + *me = (bit / adev->gfx.me.num_queue_per_pipe) + / adev->gfx.me.num_pipe_per_me; +} + +bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, + int me, int pipe, int queue) +{ + return test_bit(amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue), + adev->gfx.me.queue_bitmap); +} + +/** + * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter + * + * @mask: array in which the per-shader array disable masks will be stored + * @max_se: number of SEs + * @max_sh: number of SHs + * + * The bitmask of CUs to be disabled in the shader array determined by se and + * sh is stored in mask[se * max_sh + sh]. + */ +void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh) +{ + unsigned se, sh, cu; + const char *p; + + memset(mask, 0, sizeof(*mask) * max_se * max_sh); + + if (!amdgpu_disable_cu || !*amdgpu_disable_cu) + return; + + p = amdgpu_disable_cu; + for (;;) { + char *next; + int ret = sscanf(p, "%u.%u.%u", &se, &sh, &cu); + if (ret < 3) { + DRM_ERROR("amdgpu: could not parse disable_cu\n"); + return; + } + + if (se < max_se && sh < max_sh && cu < 16) { + DRM_INFO("amdgpu: disabling CU %u.%u.%u\n", se, sh, cu); + mask[se * max_sh + sh] |= 1u << cu; + } else { + DRM_ERROR("amdgpu: disable_cu %u.%u.%u is out of range\n", + se, sh, cu); + } + + next = strchr(p, ','); + if (!next) + break; + p = next + 1; + } +} + +static bool amdgpu_gfx_is_graphics_multipipe_capable(struct amdgpu_device *adev) +{ + return amdgpu_async_gfx_ring && adev->gfx.me.num_pipe_per_me > 1; +} + +static bool amdgpu_gfx_is_compute_multipipe_capable(struct amdgpu_device *adev) +{ + if (amdgpu_compute_multipipe != -1) { + DRM_INFO("amdgpu: forcing compute pipe policy %d\n", + amdgpu_compute_multipipe); + return amdgpu_compute_multipipe == 1; + } + + if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)) + return true; + + /* FIXME: spreading the queues across pipes causes perf regressions + * on POLARIS11 compute workloads */ + if (adev->asic_type == CHIP_POLARIS11) + return false; + + return adev->gfx.mec.num_mec > 1; +} + +bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + int queue = ring->queue; + int pipe = ring->pipe; + + /* Policy: use pipe1 queue0 as high priority graphics queue if we + * have more than one gfx pipe. + */ + if (amdgpu_gfx_is_graphics_multipipe_capable(adev) && + adev->gfx.num_gfx_rings > 1 && pipe == 1 && queue == 0) { + int me = ring->me; + int bit; + + bit = amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue); + if (ring == &adev->gfx.gfx_ring[bit]) + return true; + } + + return false; +} + +bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + /* Policy: use 1st queue as high priority compute queue if we + * have more than one compute queue. + */ + if (adev->gfx.num_compute_rings > 1 && + ring == &adev->gfx.compute_ring[0]) + return true; + + return false; +} + +void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev) +{ + int i, queue, pipe; + bool multipipe_policy = amdgpu_gfx_is_compute_multipipe_capable(adev); + int max_queues_per_mec = min(adev->gfx.mec.num_pipe_per_mec * + adev->gfx.mec.num_queue_per_pipe, + adev->gfx.num_compute_rings); + + if (multipipe_policy) { + /* policy: make queues evenly cross all pipes on MEC1 only */ + for (i = 0; i < max_queues_per_mec; i++) { + pipe = i % adev->gfx.mec.num_pipe_per_mec; + queue = (i / adev->gfx.mec.num_pipe_per_mec) % + adev->gfx.mec.num_queue_per_pipe; + + set_bit(pipe * adev->gfx.mec.num_queue_per_pipe + queue, + adev->gfx.mec.queue_bitmap); + } + } else { + /* policy: amdgpu owns all queues in the given pipe */ + for (i = 0; i < max_queues_per_mec; ++i) + set_bit(i, adev->gfx.mec.queue_bitmap); + } + + dev_dbg(adev->dev, "mec queue bitmap weight=%d\n", bitmap_weight(adev->gfx.mec.queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES)); +} + +void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev) +{ + int i, queue, pipe; + bool multipipe_policy = amdgpu_gfx_is_graphics_multipipe_capable(adev); + int max_queues_per_me = adev->gfx.me.num_pipe_per_me * + adev->gfx.me.num_queue_per_pipe; + + if (multipipe_policy) { + /* policy: amdgpu owns the first queue per pipe at this stage + * will extend to mulitple queues per pipe later */ + for (i = 0; i < max_queues_per_me; i++) { + pipe = i % adev->gfx.me.num_pipe_per_me; + queue = (i / adev->gfx.me.num_pipe_per_me) % + adev->gfx.me.num_queue_per_pipe; + + set_bit(pipe * adev->gfx.me.num_queue_per_pipe + queue, + adev->gfx.me.queue_bitmap); + } + } else { + for (i = 0; i < max_queues_per_me; ++i) + set_bit(i, adev->gfx.me.queue_bitmap); + } + + /* update the number of active graphics rings */ + adev->gfx.num_gfx_rings = + bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES); +} + +static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + int queue_bit; + int mec, pipe, queue; + + queue_bit = adev->gfx.mec.num_mec + * adev->gfx.mec.num_pipe_per_mec + * adev->gfx.mec.num_queue_per_pipe; + + while (--queue_bit >= 0) { + if (test_bit(queue_bit, adev->gfx.mec.queue_bitmap)) + continue; + + amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue); + + /* + * 1. Using pipes 2/3 from MEC 2 seems cause problems. + * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN + * only can be issued on queue 0. + */ + if ((mec == 1 && pipe > 1) || queue != 0) + continue; + + ring->me = mec + 1; + ring->pipe = pipe; + ring->queue = queue; + + return 0; + } + + dev_err(adev->dev, "Failed to find a queue for KIQ\n"); + return -EINVAL; +} + +int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + int r = 0; + + spin_lock_init(&kiq->ring_lock); + + ring->adev = NULL; + ring->ring_obj = NULL; + ring->use_doorbell = true; + ring->doorbell_index = adev->doorbell_index.kiq; + + r = amdgpu_gfx_kiq_acquire(adev, ring); + if (r) + return r; + + ring->eop_gpu_addr = kiq->eop_gpu_addr; + ring->no_scheduler = true; + sprintf(ring->name, "kiq_%d.%d.%d", ring->me, ring->pipe, ring->queue); + r = amdgpu_ring_init(adev, ring, 1024, irq, AMDGPU_CP_KIQ_IRQ_DRIVER0, + AMDGPU_RING_PRIO_DEFAULT, NULL); + if (r) + dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r); + + return r; +} + +void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring) +{ + amdgpu_ring_fini(ring); +} + +void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + + amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL); +} + +int amdgpu_gfx_kiq_init(struct amdgpu_device *adev, + unsigned hpd_size) +{ + int r; + u32 *hpd; + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + + r = amdgpu_bo_create_kernel(adev, hpd_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj, + &kiq->eop_gpu_addr, (void **)&hpd); + if (r) { + dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r); + return r; + } + + memset(hpd, 0, hpd_size); + + r = amdgpu_bo_reserve(kiq->eop_obj, true); + if (unlikely(r != 0)) + dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r); + amdgpu_bo_kunmap(kiq->eop_obj); + amdgpu_bo_unreserve(kiq->eop_obj); + + return 0; +} + +/* create MQD for each compute/gfx queue */ +int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, + unsigned mqd_size) +{ + struct amdgpu_ring *ring = NULL; + int r, i; + + /* create MQD for KIQ */ + ring = &adev->gfx.kiq.ring; + if (!adev->enable_mes_kiq && !ring->mqd_obj) { + /* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must + * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD + * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for + * KIQ MQD no matter SRIOV or Bare-metal + */ + r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, &ring->mqd_obj, + &ring->mqd_gpu_addr, &ring->mqd_ptr); + if (r) { + dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r); + return r; + } + + /* prepare MQD backup */ + adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS] = kmalloc(mqd_size, GFP_KERNEL); + if (!adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]) + dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); + } + + if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) { + /* create MQD for each KGQ */ + for (i = 0; i < adev->gfx.num_gfx_rings; i++) { + ring = &adev->gfx.gfx_ring[i]; + if (!ring->mqd_obj) { + r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj, + &ring->mqd_gpu_addr, &ring->mqd_ptr); + if (r) { + dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r); + return r; + } + + /* prepare MQD backup */ + adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL); + if (!adev->gfx.me.mqd_backup[i]) + dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); + } + } + } + + /* create MQD for each KCQ */ + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + ring = &adev->gfx.compute_ring[i]; + if (!ring->mqd_obj) { + r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj, + &ring->mqd_gpu_addr, &ring->mqd_ptr); + if (r) { + dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r); + return r; + } + + /* prepare MQD backup */ + adev->gfx.mec.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL); + if (!adev->gfx.mec.mqd_backup[i]) + dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name); + } + } + + return 0; +} + +void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev) +{ + struct amdgpu_ring *ring = NULL; + int i; + + if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) { + for (i = 0; i < adev->gfx.num_gfx_rings; i++) { + ring = &adev->gfx.gfx_ring[i]; + kfree(adev->gfx.me.mqd_backup[i]); + amdgpu_bo_free_kernel(&ring->mqd_obj, + &ring->mqd_gpu_addr, + &ring->mqd_ptr); + } + } + + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + ring = &adev->gfx.compute_ring[i]; + kfree(adev->gfx.mec.mqd_backup[i]); + amdgpu_bo_free_kernel(&ring->mqd_obj, + &ring->mqd_gpu_addr, + &ring->mqd_ptr); + } + + ring = &adev->gfx.kiq.ring; + kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]); + amdgpu_bo_free_kernel(&ring->mqd_obj, + &ring->mqd_gpu_addr, + &ring->mqd_ptr); +} + +int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + struct amdgpu_ring *kiq_ring = &kiq->ring; + int i, r = 0; + + if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) + return -EINVAL; + + spin_lock(&adev->gfx.kiq.ring_lock); + if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size * + adev->gfx.num_compute_rings)) { + spin_unlock(&adev->gfx.kiq.ring_lock); + return -ENOMEM; + } + + for (i = 0; i < adev->gfx.num_compute_rings; i++) + kiq->pmf->kiq_unmap_queues(kiq_ring, &adev->gfx.compute_ring[i], + RESET_QUEUES, 0, 0); + + if (adev->gfx.kiq.ring.sched.ready && !adev->job_hang) + r = amdgpu_ring_test_helper(kiq_ring); + spin_unlock(&adev->gfx.kiq.ring_lock); + + return r; +} + +int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev, + int queue_bit) +{ + int mec, pipe, queue; + int set_resource_bit = 0; + + amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue); + + set_resource_bit = mec * 4 * 8 + pipe * 8 + queue; + + return set_resource_bit; +} + +int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + struct amdgpu_ring *kiq_ring = &adev->gfx.kiq.ring; + uint64_t queue_mask = 0; + int r, i; + + if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources) + return -EINVAL; + + for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) { + if (!test_bit(i, adev->gfx.mec.queue_bitmap)) + continue; + + /* This situation may be hit in the future if a new HW + * generation exposes more than 64 queues. If so, the + * definition of queue_mask needs updating */ + if (WARN_ON(i > (sizeof(queue_mask)*8))) { + DRM_ERROR("Invalid KCQ enabled: %d\n", i); + break; + } + + queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i)); + } + + DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe, + kiq_ring->queue); + spin_lock(&adev->gfx.kiq.ring_lock); + r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size * + adev->gfx.num_compute_rings + + kiq->pmf->set_resources_size); + if (r) { + DRM_ERROR("Failed to lock KIQ (%d).\n", r); + spin_unlock(&adev->gfx.kiq.ring_lock); + return r; + } + + if (adev->enable_mes) + queue_mask = ~0ULL; + + kiq->pmf->kiq_set_resources(kiq_ring, queue_mask); + for (i = 0; i < adev->gfx.num_compute_rings; i++) + kiq->pmf->kiq_map_queues(kiq_ring, &adev->gfx.compute_ring[i]); + + r = amdgpu_ring_test_helper(kiq_ring); + spin_unlock(&adev->gfx.kiq.ring_lock); + if (r) + DRM_ERROR("KCQ enable failed\n"); + + return r; +} + +/* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable + * + * @adev: amdgpu_device pointer + * @bool enable true: enable gfx off feature, false: disable gfx off feature + * + * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled. + * 2. other client can send request to disable gfx off feature, the request should be honored. + * 3. other client can cancel their request of disable gfx off feature + * 4. other client should not send request to enable gfx off feature before disable gfx off feature. + */ + +void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable) +{ + unsigned long delay = GFX_OFF_DELAY_ENABLE; + + if (!(adev->pm.pp_feature & PP_GFXOFF_MASK)) + return; + + mutex_lock(&adev->gfx.gfx_off_mutex); + + if (enable) { + /* If the count is already 0, it means there's an imbalance bug somewhere. + * Note that the bug may be in a different caller than the one which triggers the + * WARN_ON_ONCE. + */ + if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0)) + goto unlock; + + adev->gfx.gfx_off_req_count--; + + if (adev->gfx.gfx_off_req_count == 0 && + !adev->gfx.gfx_off_state) { + schedule_delayed_work(&adev->gfx.gfx_off_delay_work, + delay); + } + } else { + if (adev->gfx.gfx_off_req_count == 0) { + cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work); + + if (adev->gfx.gfx_off_state && + !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) { + adev->gfx.gfx_off_state = false; + + if (adev->gfx.funcs->init_spm_golden) { + dev_dbg(adev->dev, + "GFXOFF is disabled, re-init SPM golden settings\n"); + amdgpu_gfx_init_spm_golden(adev); + } + } + } + + adev->gfx.gfx_off_req_count++; + } + +unlock: + mutex_unlock(&adev->gfx.gfx_off_mutex); +} + +int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value) +{ + int r = 0; + + mutex_lock(&adev->gfx.gfx_off_mutex); + + r = amdgpu_dpm_set_residency_gfxoff(adev, value); + + mutex_unlock(&adev->gfx.gfx_off_mutex); + + return r; +} + +int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value) +{ + int r = 0; + + mutex_lock(&adev->gfx.gfx_off_mutex); + + r = amdgpu_dpm_get_residency_gfxoff(adev, value); + + mutex_unlock(&adev->gfx.gfx_off_mutex); + + return r; +} + +int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value) +{ + int r = 0; + + mutex_lock(&adev->gfx.gfx_off_mutex); + + r = amdgpu_dpm_get_entrycount_gfxoff(adev, value); + + mutex_unlock(&adev->gfx.gfx_off_mutex); + + return r; +} + +int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value) +{ + + int r = 0; + + mutex_lock(&adev->gfx.gfx_off_mutex); + + r = amdgpu_dpm_get_status_gfxoff(adev, value); + + mutex_unlock(&adev->gfx.gfx_off_mutex); + + return r; +} + +int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block) +{ + int r; + + if (amdgpu_ras_is_supported(adev, ras_block->block)) { + if (!amdgpu_persistent_edc_harvesting_supported(adev)) + amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX); + + r = amdgpu_ras_block_late_init(adev, ras_block); + if (r) + return r; + + if (adev->gfx.cp_ecc_error_irq.funcs) { + r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0); + if (r) + goto late_fini; + } + } else { + amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0); + } + + return 0; +late_fini: + amdgpu_ras_block_late_fini(adev, ras_block); + return r; +} + +int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev, + void *err_data, + struct amdgpu_iv_entry *entry) +{ + /* TODO ue will trigger an interrupt. + * + * When “Full RAS” is enabled, the per-IP interrupt sources should + * be disabled and the driver should only look for the aggregated + * interrupt via sync flood + */ + if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) { + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops && + adev->gfx.ras->ras_block.hw_ops->query_ras_error_count) + adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data); + amdgpu_ras_reset_gpu(adev); + } + return AMDGPU_RAS_SUCCESS; +} + +int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + struct ras_common_if *ras_if = adev->gfx.ras_if; + struct ras_dispatch_if ih_data = { + .entry = entry, + }; + + if (!ras_if) + return 0; + + ih_data.head = *ras_if; + + DRM_ERROR("CP ECC ERROR IRQ\n"); + amdgpu_ras_interrupt_dispatch(adev, &ih_data); + return 0; +} + +uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg) +{ + signed long r, cnt = 0; + unsigned long flags; + uint32_t seq, reg_val_offs = 0, value = 0; + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + struct amdgpu_ring *ring = &kiq->ring; + + if (amdgpu_device_skip_hw_access(adev)) + return 0; + + if (adev->mes.ring.sched.ready) + return amdgpu_mes_rreg(adev, reg); + + BUG_ON(!ring->funcs->emit_rreg); + + spin_lock_irqsave(&kiq->ring_lock, flags); + if (amdgpu_device_wb_get(adev, ®_val_offs)) { + pr_err("critical bug! too many kiq readers\n"); + goto failed_unlock; + } + amdgpu_ring_alloc(ring, 32); + amdgpu_ring_emit_rreg(ring, reg, reg_val_offs); + r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); + if (r) + goto failed_undo; + + amdgpu_ring_commit(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + + /* don't wait anymore for gpu reset case because this way may + * block gpu_recover() routine forever, e.g. this virt_kiq_rreg + * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will + * never return if we keep waiting in virt_kiq_rreg, which cause + * gpu_recover() hang there. + * + * also don't wait anymore for IRQ context + * */ + if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt())) + goto failed_kiq_read; + + might_sleep(); + while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) { + msleep(MAX_KIQ_REG_BAILOUT_INTERVAL); + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + } + + if (cnt > MAX_KIQ_REG_TRY) + goto failed_kiq_read; + + mb(); + value = adev->wb.wb[reg_val_offs]; + amdgpu_device_wb_free(adev, reg_val_offs); + return value; + +failed_undo: + amdgpu_ring_undo(ring); +failed_unlock: + spin_unlock_irqrestore(&kiq->ring_lock, flags); +failed_kiq_read: + if (reg_val_offs) + amdgpu_device_wb_free(adev, reg_val_offs); + dev_err(adev->dev, "failed to read reg:%x\n", reg); + return ~0; +} + +void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) +{ + signed long r, cnt = 0; + unsigned long flags; + uint32_t seq; + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + struct amdgpu_ring *ring = &kiq->ring; + + BUG_ON(!ring->funcs->emit_wreg); + + if (amdgpu_device_skip_hw_access(adev)) + return; + + if (adev->mes.ring.sched.ready) { + amdgpu_mes_wreg(adev, reg, v); + return; + } + + spin_lock_irqsave(&kiq->ring_lock, flags); + amdgpu_ring_alloc(ring, 32); + amdgpu_ring_emit_wreg(ring, reg, v); + r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); + if (r) + goto failed_undo; + + amdgpu_ring_commit(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + + /* don't wait anymore for gpu reset case because this way may + * block gpu_recover() routine forever, e.g. this virt_kiq_rreg + * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will + * never return if we keep waiting in virt_kiq_rreg, which cause + * gpu_recover() hang there. + * + * also don't wait anymore for IRQ context + * */ + if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt())) + goto failed_kiq_write; + + might_sleep(); + while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) { + + msleep(MAX_KIQ_REG_BAILOUT_INTERVAL); + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + } + + if (cnt > MAX_KIQ_REG_TRY) + goto failed_kiq_write; + + return; + +failed_undo: + amdgpu_ring_undo(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); +failed_kiq_write: + dev_err(adev->dev, "failed to write reg:%x\n", reg); +} + +int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev) +{ + if (amdgpu_num_kcq == -1) { + return 8; + } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) { + dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n"); + return 8; + } + return amdgpu_num_kcq; +} + +void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev, + uint32_t ucode_id) +{ + const struct gfx_firmware_header_v1_0 *cp_hdr; + const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0; + struct amdgpu_firmware_info *info = NULL; + const struct firmware *ucode_fw; + unsigned int fw_size; + + switch (ucode_id) { + case AMDGPU_UCODE_ID_CP_PFP: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.pfp_fw->data; + adev->gfx.pfp_fw_version = + le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.pfp_feature_version = + le32_to_cpu(cp_hdr->ucode_feature_version); + ucode_fw = adev->gfx.pfp_fw; + fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_RS64_PFP: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.pfp_fw->data; + adev->gfx.pfp_fw_version = + le32_to_cpu(cp_hdr_v2_0->header.ucode_version); + adev->gfx.pfp_feature_version = + le32_to_cpu(cp_hdr_v2_0->ucode_feature_version); + ucode_fw = adev->gfx.pfp_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK: + case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.pfp_fw->data; + ucode_fw = adev->gfx.pfp_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_ME: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.me_fw->data; + adev->gfx.me_fw_version = + le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.me_feature_version = + le32_to_cpu(cp_hdr->ucode_feature_version); + ucode_fw = adev->gfx.me_fw; + fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_RS64_ME: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.me_fw->data; + adev->gfx.me_fw_version = + le32_to_cpu(cp_hdr_v2_0->header.ucode_version); + adev->gfx.me_feature_version = + le32_to_cpu(cp_hdr_v2_0->ucode_feature_version); + ucode_fw = adev->gfx.me_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK: + case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.me_fw->data; + ucode_fw = adev->gfx.me_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_CE: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.ce_fw->data; + adev->gfx.ce_fw_version = + le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.ce_feature_version = + le32_to_cpu(cp_hdr->ucode_feature_version); + ucode_fw = adev->gfx.ce_fw; + fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_MEC1: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec_fw->data; + adev->gfx.mec_fw_version = + le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.mec_feature_version = + le32_to_cpu(cp_hdr->ucode_feature_version); + ucode_fw = adev->gfx.mec_fw; + fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) - + le32_to_cpu(cp_hdr->jt_size) * 4; + break; + case AMDGPU_UCODE_ID_CP_MEC1_JT: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec_fw->data; + ucode_fw = adev->gfx.mec_fw; + fw_size = le32_to_cpu(cp_hdr->jt_size) * 4; + break; + case AMDGPU_UCODE_ID_CP_MEC2: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec2_fw->data; + adev->gfx.mec2_fw_version = + le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.mec2_feature_version = + le32_to_cpu(cp_hdr->ucode_feature_version); + ucode_fw = adev->gfx.mec2_fw; + fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) - + le32_to_cpu(cp_hdr->jt_size) * 4; + break; + case AMDGPU_UCODE_ID_CP_MEC2_JT: + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec2_fw->data; + ucode_fw = adev->gfx.mec2_fw; + fw_size = le32_to_cpu(cp_hdr->jt_size) * 4; + break; + case AMDGPU_UCODE_ID_CP_RS64_MEC: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.mec_fw->data; + adev->gfx.mec_fw_version = + le32_to_cpu(cp_hdr_v2_0->header.ucode_version); + adev->gfx.mec_feature_version = + le32_to_cpu(cp_hdr_v2_0->ucode_feature_version); + ucode_fw = adev->gfx.mec_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes); + break; + case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK: + case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK: + case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK: + case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK: + cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *) + adev->gfx.mec_fw->data; + ucode_fw = adev->gfx.mec_fw; + fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes); + break; + default: + break; + } + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + info = &adev->firmware.ucode[ucode_id]; + info->ucode_id = ucode_id; + info->fw = ucode_fw; + adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE); + } +} |