diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 170 |
1 files changed, 91 insertions, 79 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 875626a..05865ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -36,7 +36,7 @@ #include "cikd.h" /* 1 second timeout */ -#define VCE_IDLE_TIMEOUT_MS 1000 +#define VCE_IDLE_TIMEOUT msecs_to_jiffies(1000) /* Firmware Names */ #ifdef CONFIG_DRM_AMDGPU_CIK @@ -85,8 +85,6 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) unsigned ucode_version, version_major, version_minor, binary_id; int i, r; - INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); - switch (adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_BONAIRE: @@ -197,6 +195,9 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) adev->vce.filp[i] = NULL; } + INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); + mutex_init(&adev->vce.idle_mutex); + return 0; } @@ -220,6 +221,7 @@ int amdgpu_vce_sw_fini(struct amdgpu_device *adev) amdgpu_ring_fini(&adev->vce.ring[1]); release_firmware(adev->vce.fw); + mutex_destroy(&adev->vce.idle_mutex); return 0; } @@ -310,37 +312,44 @@ static void amdgpu_vce_idle_work_handler(struct work_struct *work) amdgpu_asic_set_vce_clocks(adev, 0, 0); } } else { - schedule_delayed_work(&adev->vce.idle_work, - msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); + schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); } } /** - * amdgpu_vce_note_usage - power up VCE + * amdgpu_vce_ring_begin_use - power up VCE * - * @adev: amdgpu_device pointer + * @ring: amdgpu ring * * Make sure VCE is powerd up when we want to use it */ -static void amdgpu_vce_note_usage(struct amdgpu_device *adev) +void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) { - bool streams_changed = false; - bool set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); - set_clocks &= schedule_delayed_work(&adev->vce.idle_work, - msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); - - if (adev->pm.dpm_enabled) { - /* XXX figure out if the streams changed */ - streams_changed = false; - } + struct amdgpu_device *adev = ring->adev; + bool set_clocks; - if (set_clocks || streams_changed) { + mutex_lock(&adev->vce.idle_mutex); + set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); + if (set_clocks) { if (adev->pm.dpm_enabled) { amdgpu_dpm_enable_vce(adev, true); } else { amdgpu_asic_set_vce_clocks(adev, 53300, 40000); } } + mutex_unlock(&adev->vce.idle_mutex); +} + +/** + * amdgpu_vce_ring_end_use - power VCE down + * + * @ring: amdgpu ring + * + * Schedule work to power VCE down again + */ +void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) +{ + schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); } /** @@ -357,11 +366,10 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) int i, r; for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { uint32_t handle = atomic_read(&adev->vce.handles[i]); + if (!handle || adev->vce.filp[i] != filp) continue; - amdgpu_vce_note_usage(adev); - r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); if (r) DRM_ERROR("Error destroying VCE handle (%d)!\n", r); @@ -437,7 +445,7 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[i] = 0x0; r = amdgpu_ib_schedule(ring, 1, ib, NULL, NULL, &f); - job->fence = f; + job->fence = fence_get(f); if (r) goto err; @@ -469,7 +477,6 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, struct amdgpu_job *job; struct amdgpu_ib *ib; struct fence *f = NULL; - uint64_t dummy; int i, r; r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); @@ -477,7 +484,6 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, return r; ib = &job->ibs[0]; - dummy = ib->gpu_addr + 1024; /* stitch together an VCE destroy msg */ ib->length_dw = 0; @@ -485,11 +491,14 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ ib->ptr[ib->length_dw++] = handle; - ib->ptr[ib->length_dw++] = 0x00000014; /* len */ - ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ - ib->ptr[ib->length_dw++] = upper_32_bits(dummy); - ib->ptr[ib->length_dw++] = dummy; - ib->ptr[ib->length_dw++] = 0x00000001; + ib->ptr[ib->length_dw++] = 0x00000020; /* len */ + ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ + ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ + ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ + ib->ptr[ib->length_dw++] = 0x00000000; + ib->ptr[ib->length_dw++] = 0x00000000; + ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ + ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000008; /* len */ ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ @@ -499,7 +508,7 @@ int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, if (direct) { r = amdgpu_ib_schedule(ring, 1, ib, NULL, NULL, &f); - job->fence = f; + job->fence = fence_get(f); if (r) goto err; @@ -580,12 +589,10 @@ static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, * we we don't have another free session index. */ static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, - uint32_t handle, bool *allocated) + uint32_t handle, uint32_t *allocated) { unsigned i; - *allocated = false; - /* validate the handle */ for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { if (atomic_read(&p->adev->vce.handles[i]) == handle) { @@ -602,7 +609,7 @@ static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { p->adev->vce.filp[i] = p->filp; p->adev->vce.img_size[i] = 0; - *allocated = true; + *allocated |= 1 << i; return i; } } @@ -622,15 +629,13 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; unsigned fb_idx = 0, bs_idx = 0; int session_idx = -1; - bool destroyed = false; - bool created = false; - bool allocated = false; + uint32_t destroyed = 0; + uint32_t created = 0; + uint32_t allocated = 0; uint32_t tmp, handle = 0; uint32_t *size = &tmp; int i, r = 0, idx = 0; - amdgpu_vce_note_usage(p->adev); - while (idx < ib->length_dw) { uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); @@ -641,30 +646,30 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) goto out; } - if (destroyed) { - DRM_ERROR("No other command allowed after destroy!\n"); - r = -EINVAL; - goto out; - } - switch (cmd) { - case 0x00000001: // session + case 0x00000001: /* session */ handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); session_idx = amdgpu_vce_validate_handle(p, handle, &allocated); - if (session_idx < 0) - return session_idx; + if (session_idx < 0) { + r = session_idx; + goto out; + } size = &p->adev->vce.img_size[session_idx]; break; - case 0x00000002: // task info + case 0x00000002: /* task info */ fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); break; - case 0x01000001: // create - created = true; - if (!allocated) { + case 0x01000001: /* create */ + created |= 1 << session_idx; + if (destroyed & (1 << session_idx)) { + destroyed &= ~(1 << session_idx); + allocated |= 1 << session_idx; + + } else if (!(allocated & (1 << session_idx))) { DRM_ERROR("Handle already in use!\n"); r = -EINVAL; goto out; @@ -675,16 +680,16 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) 8 * 3 / 2; break; - case 0x04000001: // config extension - case 0x04000002: // pic control - case 0x04000005: // rate control - case 0x04000007: // motion estimation - case 0x04000008: // rdo - case 0x04000009: // vui - case 0x05000002: // auxiliary buffer + case 0x04000001: /* config extension */ + case 0x04000002: /* pic control */ + case 0x04000005: /* rate control */ + case 0x04000007: /* motion estimation */ + case 0x04000008: /* rdo */ + case 0x04000009: /* vui */ + case 0x05000002: /* auxiliary buffer */ break; - case 0x03000001: // encode + case 0x03000001: /* encode */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9, *size, 0); if (r) @@ -696,18 +701,18 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) goto out; break; - case 0x02000001: // destroy - destroyed = true; + case 0x02000001: /* destroy */ + destroyed |= 1 << session_idx; break; - case 0x05000001: // context buffer + case 0x05000001: /* context buffer */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, *size * 2, 0); if (r) goto out; break; - case 0x05000004: // video bitstream buffer + case 0x05000004: /* video bitstream buffer */ tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, tmp, bs_idx); @@ -715,7 +720,7 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) goto out; break; - case 0x05000005: // feedback buffer + case 0x05000005: /* feedback buffer */ r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 4096, fb_idx); if (r) @@ -737,21 +742,24 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) idx += len / 4; } - if (allocated && !created) { + if (allocated & ~created) { DRM_ERROR("New session without create command!\n"); r = -ENOENT; } out: - if ((!r && destroyed) || (r && allocated)) { - /* - * IB contains a destroy msg or we have allocated an - * handle and got an error, anyway free the handle - */ - for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) - atomic_cmpxchg(&p->adev->vce.handles[i], handle, 0); + if (!r) { + /* No error, free all destroyed handle slots */ + tmp = destroyed; + } else { + /* Error during parsing, free all allocated handle slots */ + tmp = allocated; } + for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) + if (tmp & (1 << i)) + atomic_set(&p->adev->vce.handles[i], 0); + return r; } @@ -837,10 +845,10 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) * @ring: the engine to test on * */ -int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring) +int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct fence *fence = NULL; - int r; + long r; /* skip vce ring1 ib test for now, since it's not reliable */ if (ring == &ring->adev->vce.ring[1]) @@ -848,21 +856,25 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring) r = amdgpu_vce_get_create_msg(ring, 1, NULL); if (r) { - DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); + DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); goto error; } r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); if (r) { - DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); goto error; } - r = fence_wait(fence, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(fence, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out.\n"); + r = -ETIMEDOUT; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); } else { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } error: fence_put(fence); |