diff options
author | Mark Brown <broonie@kernel.org> | 2016-02-09 21:20:39 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2016-02-09 21:20:39 +0300 |
commit | fcdcc79628a1919bde9acf239e364f65bab6327c (patch) | |
tree | 5499be387cf3028c90ac083b1cf866ebed7bf7e0 /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | |
parent | 7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff) | |
parent | a0a90718f18264dc904d34a580f332006f5561e9 (diff) | |
download | linux-fcdcc79628a1919bde9acf239e364f65bab6327c.tar.xz |
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index fec65f01c031..17d1fb12128a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -25,7 +25,7 @@ #include <drm/drmP.h> #include "amdgpu.h" -int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel, +int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri, struct amdgpu_ctx *ctx) { unsigned i, j; @@ -35,17 +35,25 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel, ctx->adev = adev; kref_init(&ctx->refcount); spin_lock_init(&ctx->ring_lock); - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) - ctx->rings[i].sequence = 1; + ctx->fences = kzalloc(sizeof(struct fence *) * amdgpu_sched_jobs * + AMDGPU_MAX_RINGS, GFP_KERNEL); + if (!ctx->fences) + return -ENOMEM; + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + ctx->rings[i].sequence = 1; + ctx->rings[i].fences = (void *)ctx->fences + sizeof(struct fence *) * + amdgpu_sched_jobs * i; + } if (amdgpu_enable_scheduler) { /* create context entity for each ring */ for (i = 0; i < adev->num_rings; i++) { struct amd_sched_rq *rq; - if (kernel) - rq = &adev->rings[i]->sched.kernel_rq; - else - rq = &adev->rings[i]->sched.sched_rq; + if (pri >= AMD_SCHED_MAX_PRIORITY) { + kfree(ctx->fences); + return -EINVAL; + } + rq = &adev->rings[i]->sched.sched_rq[pri]; r = amd_sched_entity_init(&adev->rings[i]->sched, &ctx->rings[i].entity, rq, amdgpu_sched_jobs); @@ -57,7 +65,7 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel, for (j = 0; j < i; j++) amd_sched_entity_fini(&adev->rings[j]->sched, &ctx->rings[j].entity); - kfree(ctx); + kfree(ctx->fences); return r; } } @@ -73,8 +81,9 @@ void amdgpu_ctx_fini(struct amdgpu_ctx *ctx) return; for (i = 0; i < AMDGPU_MAX_RINGS; ++i) - for (j = 0; j < AMDGPU_CTX_MAX_CS_PENDING; ++j) + for (j = 0; j < amdgpu_sched_jobs; ++j) fence_put(ctx->rings[i].fences[j]); + kfree(ctx->fences); if (amdgpu_enable_scheduler) { for (i = 0; i < adev->num_rings; i++) @@ -103,9 +112,13 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev, return r; } *id = (uint32_t)r; - r = amdgpu_ctx_init(adev, false, ctx); + r = amdgpu_ctx_init(adev, AMD_SCHED_PRIORITY_NORMAL, ctx); + if (r) { + idr_remove(&mgr->ctx_handles, *id); + *id = 0; + kfree(ctx); + } mutex_unlock(&mgr->lock); - return r; } @@ -239,7 +252,7 @@ uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring, unsigned idx = 0; struct fence *other = NULL; - idx = seq % AMDGPU_CTX_MAX_CS_PENDING; + idx = seq & (amdgpu_sched_jobs - 1); other = cring->fences[idx]; if (other) { signed long r; @@ -274,12 +287,12 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, } - if (seq + AMDGPU_CTX_MAX_CS_PENDING < cring->sequence) { + if (seq + amdgpu_sched_jobs < cring->sequence) { spin_unlock(&ctx->ring_lock); return NULL; } - fence = fence_get(cring->fences[seq % AMDGPU_CTX_MAX_CS_PENDING]); + fence = fence_get(cring->fences[seq & (amdgpu_sched_jobs - 1)]); spin_unlock(&ctx->ring_lock); return fence; |