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Commit 0955860b authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add hdp invalidation for gfx7 



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 11afbde8

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

+21 −0
Original line number Diff line number Diff line
@@ -1924,6 +1924,25 @@ static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 
	amdgpu_ring_write(ring, 0x20); /* poll interval */

}



/**

 * gfx_v7_0_ring_emit_hdp_invalidate - emit an hdp invalidate on the cp

 *

 * @adev: amdgpu_device pointer

 * @ridx: amdgpu ring index

 *

 * Emits an hdp invalidate on the cp.

 */

static void gfx_v7_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);

}



/**

 * gfx_v7_0_ring_emit_fence_gfx - emit a fence on the gfx ring

 *
@@ -5132,6 +5151,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { 
	.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,

	.emit_gds_switch = gfx_v7_0_ring_emit_gds_switch,

	.emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,

	.emit_hdp_invalidate = gfx_v7_0_ring_emit_hdp_invalidate,

	.test_ring = gfx_v7_0_ring_test_ring,

	.test_ib = gfx_v7_0_ring_test_ib,

	.insert_nop = amdgpu_ring_insert_nop,
@@ -5148,6 +5168,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { 
	.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,

	.emit_gds_switch = gfx_v7_0_ring_emit_gds_switch,

	.emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,

	.emit_hdp_invalidate = gfx_v7_0_ring_emit_hdp_invalidate,

	.test_ring = gfx_v7_0_ring_test_ring,

	.test_ib = gfx_v7_0_ring_test_ib,

	.insert_nop = amdgpu_ring_insert_nop,