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drm/amd/display: Add missing DCN21 IP parameter
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[why]
IP parameter min_meta_chunk_size_bytes is read for bandwidth
calculations but it was never defined.

[how]
Define min_meta_chunk_size_bytes and initialize value to 256.

Reviewed-by: Laktyushkin Dmytro <dmytro.laktyushkin@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Victor Lu authored and Alex Deucher committed Jul 27, 2021
1 parent c8f8e96 commit 8d17757
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,7 @@ struct _vcs_dpi_ip_params_st dcn2_1_ip = {
.max_page_table_levels = 4,
.pte_chunk_size_kbytes = 2,
.meta_chunk_size_kbytes = 2,
.min_meta_chunk_size_bytes = 256,
.writeback_chunk_size_kbytes = 2,
.line_buffer_size_bits = 789504,
.is_line_buffer_bpp_fixed = 0,
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