diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 4a97666359331e4554999b552b22089582a43aa2..e7c160b9d0fed756035a03f29f579a27f54e936e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -481,6 +481,24 @@ static void gfx_v11_0_wait_reg_mem(struct amdgpu_ring *ring, int eng_sel, amdgpu_ring_write(ring, inv); /* poll interval */ } +static void gfx_v11_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 int gfx_v11_0_ring_test_ring(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; @@ -6709,7 +6727,7 @@ static const struct amdgpu_ring_funcs gfx_v11_0_ring_funcs_gfx = { .emit_hdp_flush = gfx_v11_0_ring_emit_hdp_flush, .test_ring = gfx_v11_0_ring_test_ring, .test_ib = gfx_v11_0_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = gfx_v11_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_cntxcntl = gfx_v11_0_ring_emit_cntxcntl, .emit_gfx_shadow = gfx_v11_0_ring_emit_gfx_shadow, @@ -6751,7 +6769,7 @@ static const struct amdgpu_ring_funcs gfx_v11_0_ring_funcs_compute = { .emit_hdp_flush = gfx_v11_0_ring_emit_hdp_flush, .test_ring = gfx_v11_0_ring_test_ring, .test_ib = gfx_v11_0_ring_test_ib, - .insert_nop = amdgpu_ring_insert_nop, + .insert_nop = gfx_v11_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_wreg = gfx_v11_0_ring_emit_wreg, .emit_reg_wait = gfx_v11_0_ring_emit_reg_wait,