drm/amdgpu: Add empty HDP flush function to VCN v4.0.3

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VCN 4.0.3 does not HDP flush with RRMT enabled. Instead, mmsch
will do the HDP flush.

This change is necessary for VCN v4.0.3, no need for backward compatibility

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Jane Jian <Jane.Jian@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 49cfaebe48)

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Lijo Lazar 2023-12-11 11:18:42 +05:30 • committed by Alex Deucher

parent 23df34997d

commit 485432d090

1 changed files with 8 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c

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