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Commit d35db561 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add hdp invalidation for gfx8 



Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0955860b

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

+14 −0
Original line number Diff line number Diff line
@@ -4589,6 +4589,18 @@ static void gfx_v8_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 
	amdgpu_ring_write(ring, 0x20); /* poll interval */

}



static void gfx_v8_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)

{

	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));

	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |

				 WRITE_DATA_DST_SEL(0) |

				 WR_CONFIRM));

	amdgpu_ring_write(ring, mmHDP_DEBUG0);

	amdgpu_ring_write(ring, 0);

	amdgpu_ring_write(ring, 1);



}



static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,

				  struct amdgpu_ib *ib)

{
@@ -5030,6 +5042,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = { 
	.emit_vm_flush = gfx_v8_0_ring_emit_vm_flush,

	.emit_gds_switch = gfx_v8_0_ring_emit_gds_switch,

	.emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush,

	.emit_hdp_invalidate = gfx_v8_0_ring_emit_hdp_invalidate,

	.test_ring = gfx_v8_0_ring_test_ring,

	.test_ib = gfx_v8_0_ring_test_ib,

	.insert_nop = amdgpu_ring_insert_nop,
@@ -5046,6 +5059,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { 
	.emit_vm_flush = gfx_v8_0_ring_emit_vm_flush,

	.emit_gds_switch = gfx_v8_0_ring_emit_gds_switch,

	.emit_hdp_flush = gfx_v8_0_ring_emit_hdp_flush,

	.emit_hdp_invalidate = gfx_v8_0_ring_emit_hdp_invalidate,

	.test_ring = gfx_v8_0_ring_test_ring,

	.test_ib = gfx_v8_0_ring_test_ib,

	.insert_nop = amdgpu_ring_insert_nop,