diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 72 |
1 files changed, 67 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 37639214cbbb..84d2eaa38101 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -29,6 +29,7 @@ #include "amdgpu.h" #include "amdgpu_gfx.h" +#include "amdgpu_ring.h" #include "vi.h" #include "vi_structs.h" #include "vid.h" @@ -1923,8 +1924,7 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id, + ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec) + ring->pipe; - hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->pipe, - ring->queue) ? + hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring) ? AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_RING_PRIO_DEFAULT; /* type-2 packets are deprecated on MEC, use type-3 instead */ r = amdgpu_ring_init(adev, ring, 1024, @@ -4442,8 +4442,7 @@ static void gfx_v8_0_mqd_set_priority(struct amdgpu_ring *ring, struct vi_mqd *m struct amdgpu_device *adev = ring->adev; if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) { - if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring->pipe, - ring->queue)) { + if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring)) { mqd->cp_hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH; mqd->cp_hqd_queue_priority = AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM; @@ -6847,6 +6846,66 @@ static void gfx_v8_0_emit_mem_sync_compute(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x0000000A); /* poll interval */ } + +/* mmSPI_WCL_PIPE_PERCENT_CS[0-7]_DEFAULT values are same */ +#define mmSPI_WCL_PIPE_PERCENT_CS_DEFAULT 0x0000007f +static void gfx_v8_0_emit_wave_limit_cs(struct amdgpu_ring *ring, + uint32_t pipe, bool enable) +{ + uint32_t val; + uint32_t wcl_cs_reg; + + val = enable ? 0x1 : mmSPI_WCL_PIPE_PERCENT_CS_DEFAULT; + + switch (pipe) { + case 0: + wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS0; + break; + case 1: + wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS1; + break; + case 2: + wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS2; + break; + case 3: + wcl_cs_reg = mmSPI_WCL_PIPE_PERCENT_CS3; + break; + default: + DRM_DEBUG("invalid pipe %d\n", pipe); + return; + } + + amdgpu_ring_emit_wreg(ring, wcl_cs_reg, val); + +} + +#define mmSPI_WCL_PIPE_PERCENT_GFX_DEFAULT 0x07ffffff +static void gfx_v8_0_emit_wave_limit(struct amdgpu_ring *ring, bool enable) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t val; + int i; + + /* mmSPI_WCL_PIPE_PERCENT_GFX is 7 bit multiplier register to limit + * number of gfx waves. Setting 5 bit will make sure gfx only gets + * around 25% of gpu resources. + */ + val = enable ? 0x1f : mmSPI_WCL_PIPE_PERCENT_GFX_DEFAULT; + amdgpu_ring_emit_wreg(ring, mmSPI_WCL_PIPE_PERCENT_GFX, val); + + /* Restrict waves for normal/low priority compute queues as well + * to get best QoS for high priority compute jobs. + * + * amdgpu controls only 1st ME(0-3 CS pipes). + */ + for (i = 0; i < adev->gfx.mec.num_pipe_per_mec; i++) { + if (i != ring->pipe) + gfx_v8_0_emit_wave_limit_cs(ring, i, enable); + + } + +} + static const struct amd_ip_funcs gfx_v8_0_ip_funcs = { .name = "gfx_v8_0", .early_init = gfx_v8_0_early_init, @@ -6930,7 +6989,9 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { 7 + /* gfx_v8_0_ring_emit_pipeline_sync */ VI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v8_0_ring_emit_vm_flush */ 7 + 7 + 7 + /* gfx_v8_0_ring_emit_fence_compute x3 for user fence, vm fence */ - 7, /* gfx_v8_0_emit_mem_sync_compute */ + 7 + /* gfx_v8_0_emit_mem_sync_compute */ + 5 + /* gfx_v8_0_emit_wave_limit for updating mmSPI_WCL_PIPE_PERCENT_GFX register */ + 15, /* for updating 3 mmSPI_WCL_PIPE_PERCENT_CS registers */ .emit_ib_size = 7, /* gfx_v8_0_ring_emit_ib_compute */ .emit_ib = gfx_v8_0_ring_emit_ib_compute, .emit_fence = gfx_v8_0_ring_emit_fence_compute, @@ -6944,6 +7005,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { .pad_ib = amdgpu_ring_generic_pad_ib, .emit_wreg = gfx_v8_0_ring_emit_wreg, .emit_mem_sync = gfx_v8_0_emit_mem_sync_compute, + .emit_wave_limit = gfx_v8_0_emit_wave_limit, }; static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = { |