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drm/amdgpu: Assign correct bits for SDMA HDP flush

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commit aebd3eb9d3ae017e6260043f6bcace2f5ef60694 upstream.

HDP Flush request bit can be kept unique per AID, and doesn't need to be
unique SOC-wide. Assign only bits 10-13 for SDMA v4.4.2.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lijo Lazar 2024-04-10 19:30:46 +05:30 committed by Greg Kroah-Hartman
parent b33d7aaa2d
commit 65356a1cc4
1 changed files with 2 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
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@ -365,7 +365,8 @@ static void sdma_v4_4_2_ring_emit_hdp_flush(struct amdgpu_ring *ring)
u32 ref_and_mask = 0;
const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0
<< (ring->me % adev->sdma.num_inst_per_aid);
sdma_v4_4_2_wait_reg_mem(ring, 0, 1,
adev->nbio.funcs->get_hdp_flush_done_offset(adev),