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drm/amdgpu: add HDP flush dummy for UVD 6/7

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The UVD firmware doesn't seem to like the HDP flush here.

This worked for years without HDP flush, so just skip it.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-05-08 12:26:52 +02:00 committed by Alex Deucher
parent a50cb94819
commit 996cab9553
2 changed files with 26 additions and 3 deletions
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16
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
View File

@ -963,6 +963,16 @@ static void uvd_v6_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
amdgpu_ring_write(ring, HEVC_ENC_CMD_TRAP);
}
/**
* uvd_v6_0_ring_emit_hdp_flush - skip HDP flushing
*
* @ring: amdgpu_ring pointer
*/
static void uvd_v6_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
/* The firmware doesn't seem to like touching registers at this point. */
}
/**
* uvd_v6_0_ring_test_ring - register write test
*
@ -1528,12 +1538,13 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = {
.set_wptr = uvd_v6_0_ring_set_wptr,
.parse_cs = amdgpu_uvd_ring_parse_cs,
.emit_frame_size =
6 + 6 + /* hdp flush / invalidate */
6 + /* hdp invalidate */
10 + /* uvd_v6_0_ring_emit_pipeline_sync */
14, /* uvd_v6_0_ring_emit_fence x1 no user fence */
.emit_ib_size = 8, /* uvd_v6_0_ring_emit_ib */
.emit_ib = uvd_v6_0_ring_emit_ib,
.emit_fence = uvd_v6_0_ring_emit_fence,
.emit_hdp_flush = uvd_v6_0_ring_emit_hdp_flush,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
@ -1552,7 +1563,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
.get_wptr = uvd_v6_0_ring_get_wptr,
.set_wptr = uvd_v6_0_ring_set_wptr,
.emit_frame_size =
6 + 6 + /* hdp flush / invalidate */
6 + /* hdp invalidate */
10 + /* uvd_v6_0_ring_emit_pipeline_sync */
VI_FLUSH_GPU_TLB_NUM_WREG * 6 + 8 + /* uvd_v6_0_ring_emit_vm_flush */
14 + 14, /* uvd_v6_0_ring_emit_fence x2 vm fence */
@ -1561,6 +1572,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
.emit_fence = uvd_v6_0_ring_emit_fence,
.emit_vm_flush = uvd_v6_0_ring_emit_vm_flush,
.emit_pipeline_sync = uvd_v6_0_ring_emit_pipeline_sync,
.emit_hdp_flush = uvd_v6_0_ring_emit_hdp_flush,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,

13
drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
View File

@ -1135,6 +1135,16 @@ static void uvd_v7_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
amdgpu_ring_write(ring, HEVC_ENC_CMD_TRAP);
}
/**
* uvd_v7_0_ring_emit_hdp_flush - skip HDP flushing
*
* @ring: amdgpu_ring pointer
*/
static void uvd_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
/* The firmware doesn't seem to like touching registers at this point. */
}
/**
* uvd_v7_0_ring_test_ring - register write test
*
@ -1654,7 +1664,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
.get_wptr = uvd_v7_0_ring_get_wptr,
.set_wptr = uvd_v7_0_ring_set_wptr,
.emit_frame_size =
6 + 6 + /* hdp flush / invalidate */
6 + /* hdp invalidate */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
8 + /* uvd_v7_0_ring_emit_vm_flush */
@ -1663,6 +1673,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
.emit_ib = uvd_v7_0_ring_emit_ib,
.emit_fence = uvd_v7_0_ring_emit_fence,
.emit_vm_flush = uvd_v7_0_ring_emit_vm_flush,
.emit_hdp_flush = uvd_v7_0_ring_emit_hdp_flush,
.test_ring = uvd_v7_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = uvd_v7_0_ring_insert_nop,