diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index f932c7ff85e3..29b3bf1b29b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -5005,6 +5005,24 @@ static void gfx_v12_0_emit_mem_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, gcr_cntl); /* GCR_CNTL */ } +static void gfx_v12_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop) +{ + int i; + + /* Header itself is a NOP packet */ + if (num_nop == 1) { + amdgpu_ring_write(ring, ring->funcs->nop); + return; + } + + /* Max HW optimization till 0x3ffe, followed by remaining one NOP at a time*/ + amdgpu_ring_write(ring, PACKET3(PACKET3_NOP, min(num_nop - 2, 0x3ffe))); + + /* Header is at index 0, followed by num_nops - 1 NOP packet's */ + for (i = 1; i < num_nop; i++) + amdgpu_ring_write(ring, ring->funcs->nop); +} + static void gfx_v12_ip_print(void *handle, struct drm_printer *p) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -5186,7 +5204,7 @@ static const struct amdgpu_ring_funcs gfx_v12_0_ring_funcs_gfx = { .emit_hdp_flush = gfx_v12_0_ring_emit_hdp_flush, .test_ring = gfx_v12_0_ring_test_ring, .test_ib = gfx_v12_0_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = gfx_v12_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_cntxcntl = gfx_v12_0_ring_emit_cntxcntl, .init_cond_exec = gfx_v12_0_ring_emit_init_cond_exec, @@ -5224,7 +5242,7 @@ static const struct amdgpu_ring_funcs gfx_v12_0_ring_funcs_compute = { .emit_hdp_flush = gfx_v12_0_ring_emit_hdp_flush, .test_ring = gfx_v12_0_ring_test_ring, .test_ib = gfx_v12_0_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = gfx_v12_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_wreg = gfx_v12_0_ring_emit_wreg, .emit_reg_wait = gfx_v12_0_ring_emit_reg_wait, |