diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 50 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 46 |
2 files changed, 94 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index bdfd29a22b3d..84d2eaa38101 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -6846,10 +6846,45 @@ 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 @@ -6857,6 +6892,18 @@ static void gfx_v8_0_emit_wave_limit(struct amdgpu_ring *ring, bool enable) */ 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 = { @@ -6943,7 +6990,8 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { 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 */ - 5, /* gfx_v8_0_emit_wave_limit for updating mmSPI_WCL_PIPE_PERCENT_GFX register */ + 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, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 027997e95e46..65db88bb6cbc 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -6668,10 +6668,42 @@ static void gfx_v9_0_emit_mem_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x0000000A); /* POLL_INTERVAL */ } +static void gfx_v9_0_emit_wave_limit_cs(struct amdgpu_ring *ring, + uint32_t pipe, bool enable) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t val; + uint32_t wcl_cs_reg; + + /* mmSPI_WCL_PIPE_PERCENT_CS[0-7]_DEFAULT values are same */ + val = enable ? 0x1 : mmSPI_WCL_PIPE_PERCENT_CS0_DEFAULT; + + switch (pipe) { + case 0: + wcl_cs_reg = SOC15_REG_OFFSET(GC, 0, mmSPI_WCL_PIPE_PERCENT_CS0); + break; + case 1: + wcl_cs_reg = SOC15_REG_OFFSET(GC, 0, mmSPI_WCL_PIPE_PERCENT_CS1); + break; + case 2: + wcl_cs_reg = SOC15_REG_OFFSET(GC, 0, mmSPI_WCL_PIPE_PERCENT_CS2); + break; + case 3: + wcl_cs_reg = SOC15_REG_OFFSET(GC, 0, mmSPI_WCL_PIPE_PERCENT_CS3); + break; + default: + DRM_DEBUG("invalid pipe %d\n", pipe); + return; + } + + amdgpu_ring_emit_wreg(ring, wcl_cs_reg, val); + +} static void gfx_v9_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 @@ -6682,6 +6714,17 @@ static void gfx_v9_0_emit_wave_limit(struct amdgpu_ring *ring, bool enable) amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(GC, 0, 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_v9_0_emit_wave_limit_cs(ring, i, enable); + + } } static const struct amd_ip_funcs gfx_v9_0_ip_funcs = { @@ -6774,7 +6817,8 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = { 2 + /* gfx_v9_0_ring_emit_vm_flush */ 8 + 8 + 8 + /* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */ 7 + /* gfx_v9_0_emit_mem_sync */ - 5, /* gfx_v9_0_emit_wave_limit for updating mmSPI_WCL_PIPE_PERCENT_GFX register */ + 5 + /* gfx_v9_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_v9_0_ring_emit_ib_compute */ .emit_ib = gfx_v9_0_ring_emit_ib_compute, .emit_fence = gfx_v9_0_ring_emit_fence, |