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drm/amdgpu: add hdp invalidation for gfx7 

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2016-03-03 11:46:40 +08:00 committed by Alex Deucher
parent 11afbde85e
commit 0955860b87
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
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@ -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,