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drm/amdgpu: Avoid HDP flush on JPEG v5.0.1

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Similar to JPEG v4.0.3, HDP flush shouldn't be performed by JPEG engine.
Keep it empty.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-02-20 13:38:06 +05:30 committed by Alex Deucher
parent 6fcfaac604
commit a734a717dc
3 changed files with 3 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
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@ -686,7 +686,7 @@ static uint64_t jpeg_v4_0_3_dec_ring_get_wptr(struct amdgpu_ring *ring)
jpeg_v4_0_3_core_reg_offset(ring->pipe));
}
static void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring)
void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
/* JPEG engine access for HDP flush doesn't work when RRMT is enabled.
* This is a workaround to avoid any HDP flush through JPEG ring.

1
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
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@ -56,6 +56,7 @@ void jpeg_v4_0_3_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq
unsigned int flags);
void jpeg_v4_0_3_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned int vmid, uint64_t pd_addr);
void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring);
void jpeg_v4_0_3_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count);
void jpeg_v4_0_3_dec_ring_insert_start(struct amdgpu_ring *ring);
void jpeg_v4_0_3_dec_ring_insert_end(struct amdgpu_ring *ring);

1
drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
View File

@ -740,6 +740,7 @@ static const struct amdgpu_ring_funcs jpeg_v5_0_1_dec_ring_vm_funcs = {
.emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
.emit_fence = jpeg_v4_0_3_dec_ring_emit_fence,
.emit_vm_flush = jpeg_v4_0_3_dec_ring_emit_vm_flush,
.emit_hdp_flush = jpeg_v4_0_3_ring_emit_hdp_flush,
.test_ring = amdgpu_jpeg_dec_ring_test_ring,
.test_ib = amdgpu_jpeg_dec_ring_test_ib,
.insert_nop = jpeg_v4_0_3_dec_ring_nop,