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drm/amdgpu/psp: flush HDP write fifo after submitting cmds to the psp

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We need to make sure the fifo is flushed before we ask the psp to
process the commands.

Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2019-09-17 15:12:18 -05:00
parent 5222d26146
commit e8186eeccb
4 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
View file

@ -266,6 +266,7 @@ static int psp_v10_0_cmd_submit(struct psp_context *psp,
write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
write_frame->fence_value = index;
amdgpu_asic_flush_hdp(adev, NULL);
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;

1
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
View file

@ -549,6 +549,7 @@ static int psp_v11_0_cmd_submit(struct psp_context *psp,
write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
write_frame->fence_value = index;
amdgpu_asic_flush_hdp(adev, NULL);
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;

1
drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
View file

@ -378,6 +378,7 @@ static int psp_v12_0_cmd_submit(struct psp_context *psp,
write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
write_frame->fence_value = index;
amdgpu_asic_flush_hdp(adev, NULL);
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;

1
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
View file

@ -454,6 +454,7 @@ static int psp_v3_1_cmd_submit(struct psp_context *psp,
write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
write_frame->fence_value = index;
amdgpu_asic_flush_hdp(adev, NULL);
/* Update the write Pointer in DWORDs */
psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;