[PATCH] drm/amdgpu: implement harvesting support for UVD 7.2 (v3)
James Zhu
jamesz at amd.com
Wed Jul 25 21:26:38 UTC 2018
This patch is James Zhu <James.Zhu at amd.com>
On 2018-07-25 05:02 PM, Alex Deucher wrote:
> Properly handle cases where one or more instance of the IP
> block may be harvested.
>
> v2: make sure ip_num_rings is initialized amdgpu_queue_mgr.c
> v3: rebase on Christian's UVD changes, drop unused var
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 17 +++++---
> drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c | 13 +++++--
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 11 +++++-
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h | 4 ++
> drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 56 +++++++++++++++++++++++++--
> 5 files changed, 89 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index c7dce14fd47d..dd2132fa2b89 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -286,7 +286,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
> struct drm_crtc *crtc;
> uint32_t ui32 = 0;
> uint64_t ui64 = 0;
> - int i, found;
> + int i, j, found;
> int ui32_size = sizeof(ui32);
>
> if (!info->return_size || !info->return_pointer)
> @@ -348,7 +348,11 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
> break;
> case AMDGPU_HW_IP_UVD:
> type = AMD_IP_BLOCK_TYPE_UVD;
> - ring_mask |= adev->uvd.inst[0].ring.ready;
> + for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> + ring_mask |= adev->uvd.inst[i].ring.ready;
> + }
> ib_start_alignment = 64;
> ib_size_alignment = 64;
> break;
> @@ -361,9 +365,12 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
> break;
> case AMDGPU_HW_IP_UVD_ENC:
> type = AMD_IP_BLOCK_TYPE_UVD;
> - for (i = 0; i < adev->uvd.num_enc_rings; i++)
> - ring_mask |=
> - adev->uvd.inst[0].ring_enc[i].ready << i;
> + for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> + for (j = 0; j < adev->uvd.num_enc_rings; j++)
> + ring_mask |= adev->uvd.inst[i].ring_enc[j].ready << j;
> + }
> ib_start_alignment = 64;
> ib_size_alignment = 64;
> break;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
> index d8357290ad09..a172bba32b45 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c
> @@ -214,7 +214,7 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
> u32 hw_ip, u32 instance, u32 ring,
> struct amdgpu_ring **out_ring)
> {
> - int r, ip_num_rings;
> + int i, r, ip_num_rings = 0;
> struct amdgpu_queue_mapper *mapper = &mgr->mapper[hw_ip];
>
> if (!adev || !mgr || !out_ring)
> @@ -243,14 +243,21 @@ int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
> ip_num_rings = adev->sdma.num_instances;
> break;
> case AMDGPU_HW_IP_UVD:
> - ip_num_rings = adev->uvd.num_uvd_inst;
> + 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 * adev->uvd.num_uvd_inst;
> + adev->uvd.num_enc_rings * ip_num_rings;
> break;
> case AMDGPU_HW_IP_VCN_DEC:
> ip_num_rings = 1;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index fca86d71fafc..632fa5980ff4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -255,7 +255,8 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
> bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
>
> for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
> -
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
> AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
> &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
> @@ -308,6 +309,8 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
> drm_sched_entity_destroy(&adev->uvd.entity);
>
> for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> kfree(adev->uvd.inst[j].saved_bo);
>
> amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
> @@ -343,6 +346,8 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
> }
>
> for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> if (adev->uvd.inst[j].vcpu_bo == NULL)
> continue;
>
> @@ -365,6 +370,8 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
> int i;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> if (adev->uvd.inst[i].vcpu_bo == NULL)
> return -EINVAL;
>
> @@ -1159,6 +1166,8 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
> unsigned fences = 0, i, j;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
> for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
> fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
> index 66872286ab12..33c5f806f925 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
> @@ -48,6 +48,9 @@ struct amdgpu_uvd_inst {
> uint32_t srbm_soft_reset;
> };
>
> +#define AMDGPU_UVD_HARVEST_UVD0 (1 << 0)
> +#define AMDGPU_UVD_HARVEST_UVD1 (1 << 1)
> +
> struct amdgpu_uvd {
> const struct firmware *fw; /* UVD firmware */
> unsigned fw_version;
> @@ -61,6 +64,7 @@ struct amdgpu_uvd {
> atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
> struct drm_sched_entity entity;
> struct delayed_work idle_work;
> + unsigned harvest_config;
> };
>
> int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> index db5f3d78ab12..8179317be750 100644
> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
> @@ -41,6 +41,12 @@
> #include "mmhub/mmhub_1_0_sh_mask.h"
> #include "ivsrcid/uvd/irqsrcs_uvd_7_0.h"
>
> +#define mmUVD_PG0_CC_UVD_HARVESTING 0x00c7
> +#define mmUVD_PG0_CC_UVD_HARVESTING_BASE_IDX 1
> +//UVD_PG0_CC_UVD_HARVESTING
> +#define UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE__SHIFT 0x1
> +#define UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE_MASK 0x00000002L
> +
> #define UVD7_MAX_HW_INSTANCES_VEGA20 2
>
> static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev);
> @@ -370,10 +376,25 @@ static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
> static int uvd_v7_0_early_init(void *handle)
> {
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> - if (adev->asic_type == CHIP_VEGA20)
> +
> + if (adev->asic_type == CHIP_VEGA20) {
> + u32 harvest;
> + int i;
> +
> adev->uvd.num_uvd_inst = UVD7_MAX_HW_INSTANCES_VEGA20;
> - else
> + for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + harvest = RREG32_SOC15(UVD, i, mmUVD_PG0_CC_UVD_HARVESTING);
> + if (harvest & UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE_MASK) {
> + adev->uvd.harvest_config |= 1 << i;
> + }
> + }
> + if (adev->uvd.harvest_config == (AMDGPU_UVD_HARVEST_UVD0 |
> + AMDGPU_UVD_HARVEST_UVD1))
> + /* both instances are harvested, disable the block */
> + return -ENOENT;
> + } else {
> adev->uvd.num_uvd_inst = 1;
> + }
>
> if (amdgpu_sriov_vf(adev))
> adev->uvd.num_enc_rings = 1;
> @@ -393,6 +414,8 @@ static int uvd_v7_0_sw_init(void *handle)
> struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>
> for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> /* UVD TRAP */
> r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_uvds[j], UVD_7_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->uvd.inst[j].irq);
> if (r)
> @@ -425,6 +448,8 @@ static int uvd_v7_0_sw_init(void *handle)
> return r;
>
> for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> if (!amdgpu_sriov_vf(adev)) {
> ring = &adev->uvd.inst[j].ring;
> sprintf(ring->name, "uvd<%d>", j);
> @@ -472,6 +497,8 @@ static int uvd_v7_0_sw_fini(void *handle)
> return r;
>
> for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> for (i = 0; i < adev->uvd.num_enc_rings; ++i)
> amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
> }
> @@ -500,6 +527,8 @@ static int uvd_v7_0_hw_init(void *handle)
> goto done;
>
> for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> ring = &adev->uvd.inst[j].ring;
>
> if (!amdgpu_sriov_vf(adev)) {
> @@ -579,8 +608,11 @@ static int uvd_v7_0_hw_fini(void *handle)
> DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
> }
>
> - for (i = 0; i < adev->uvd.num_uvd_inst; ++i)
> + for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> adev->uvd.inst[i].ring.ready = false;
> + }
>
> return 0;
> }
> @@ -623,6 +655,8 @@ static void uvd_v7_0_mc_resume(struct amdgpu_device *adev)
> int i;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
> WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
> lower_32_bits(adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].mc_addr));
> @@ -695,6 +729,8 @@ static int uvd_v7_0_mmsch_start(struct amdgpu_device *adev,
> WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP, 0);
>
> for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> WDOORBELL32(adev->uvd.inst[i].ring_enc[0].doorbell_index, 0);
> adev->wb.wb[adev->uvd.inst[i].ring_enc[0].wptr_offs] = 0;
> adev->uvd.inst[i].ring_enc[0].wptr = 0;
> @@ -751,6 +787,8 @@ static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
> init_table += header->uvd_table_offset;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> ring = &adev->uvd.inst[i].ring;
> ring->wptr = 0;
> size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
> @@ -890,6 +928,8 @@ static int uvd_v7_0_start(struct amdgpu_device *adev)
> int i, j, k, r;
>
> for (k = 0; k < adev->uvd.num_uvd_inst; ++k) {
> + if (adev->uvd.harvest_config & (1 << k))
> + continue;
> /* disable DPG */
> WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_POWER_STATUS), 0,
> ~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
> @@ -902,6 +942,8 @@ static int uvd_v7_0_start(struct amdgpu_device *adev)
> uvd_v7_0_mc_resume(adev);
>
> for (k = 0; k < adev->uvd.num_uvd_inst; ++k) {
> + if (adev->uvd.harvest_config & (1 << k))
> + continue;
> ring = &adev->uvd.inst[k].ring;
> /* disable clock gating */
> WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_CGC_CTRL), 0,
> @@ -1069,6 +1111,8 @@ static void uvd_v7_0_stop(struct amdgpu_device *adev)
> uint8_t i = 0;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> /* force RBC into idle state */
> WREG32_SOC15(UVD, i, mmUVD_RBC_RB_CNTL, 0x11010101);
>
> @@ -1756,6 +1800,8 @@ static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev)
> int i;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> adev->uvd.inst[i].ring.funcs = &uvd_v7_0_ring_vm_funcs;
> adev->uvd.inst[i].ring.me = i;
> DRM_INFO("UVD(%d) is enabled in VM mode\n", i);
> @@ -1767,6 +1813,8 @@ static void uvd_v7_0_set_enc_ring_funcs(struct amdgpu_device *adev)
> int i, j;
>
> for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
> + if (adev->uvd.harvest_config & (1 << j))
> + continue;
> for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
> adev->uvd.inst[j].ring_enc[i].funcs = &uvd_v7_0_enc_ring_vm_funcs;
> adev->uvd.inst[j].ring_enc[i].me = j;
> @@ -1786,6 +1834,8 @@ static void uvd_v7_0_set_irq_funcs(struct amdgpu_device *adev)
> int i;
>
> for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
> + if (adev->uvd.harvest_config & (1 << i))
> + continue;
> adev->uvd.inst[i].irq.num_types = adev->uvd.num_enc_rings + 1;
> adev->uvd.inst[i].irq.funcs = &uvd_v7_0_irq_funcs;
> }
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