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radeonsi/vcn: vcn5 av1 decoding context buffer fix

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In VCN5, the AV1 context buffer has changed to a bigger
one than VCN4. It fixed an AV1 decoding issue on VCN5.

Cc: mesa-stable

Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36208>
(cherry picked from commit 32a2012975)
This commit is contained in:
Ruijing Dong 2025-07-17 17:43:29 -04:00 • committed by Eric Engestrom
parent ec77210538
commit 7e564fd963
2 changed files with 22 additions and 12 deletions
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2
.pick_status.json
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@ -5474,7 +5474,7 @@
"description": "radeonsi/vcn: vcn5 av1 decoding context buffer fix",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

32
src/amd/common/ac_vcn_dec.c
View file

@ -32,19 +32,29 @@ ac_vcn_dec_calc_ctx_size_av1(unsigned av1_version)
int sdb_pitch_128x128 = align(32 * num_128x128_CTB_8k, 256) * 2;
int sdb_lf_size_ctb_64x64 = sdb_pitch_64x64 * (align(1728, 64) / 64);
int sdb_lf_size_ctb_128x128 = sdb_pitch_128x128 * (align(3008, 64) / 64);
int sdb_superres_size_ctb_64x64 = sdb_pitch_64x64 * (align(3232, 64) / 64);
int sdb_superres_size_ctb_128x128 = sdb_pitch_128x128 * (align(6208, 64) / 64);
int sdb_output_size_ctb_64x64 = sdb_pitch_64x64 * (align(1312, 64) / 64);
int sdb_output_size_ctb_128x128 = sdb_pitch_128x128 * (align(2336, 64) / 64);
int sdb_fg_avg_luma_size_ctb_64x64 = sdb_pitch_64x64 * (align(384, 64) / 64);
int sdb_fg_avg_luma_size_ctb_128x128 = sdb_pitch_128x128 * (align(640, 64) / 64);
ctx_size += (MAX2(sdb_lf_size_ctb_64x64, sdb_lf_size_ctb_128x128) +
MAX2(sdb_superres_size_ctb_64x64, sdb_superres_size_ctb_128x128) +
MAX2(sdb_output_size_ctb_64x64, sdb_output_size_ctb_128x128) +
MAX2(sdb_fg_avg_luma_size_ctb_64x64, sdb_fg_avg_luma_size_ctb_128x128)) *
if (av1_version == RDECODE_AV1_VER_2) {
int aligned_height_in_64x64_blk = align(4352, 64) / 64;
int aligned_superres_total_pixels = align((78 + 2) * 3 * 32, 256);
int sdb_superres_size_ctb = aligned_height_in_64x64_blk * aligned_superres_total_pixels;
ctx_size += (MAX2(sdb_lf_size_ctb_64x64, sdb_lf_size_ctb_128x128) + sdb_superres_size_ctb) *
2 +
68 * 512;
68 * 512;
} else {
int sdb_superres_size_ctb_64x64 = sdb_pitch_64x64 * (align(3232, 64) / 64);
int sdb_superres_size_ctb_128x128 = sdb_pitch_128x128 * (align(6208, 64) / 64);
int sdb_output_size_ctb_64x64 = sdb_pitch_64x64 * (align(1312, 64) / 64);
int sdb_output_size_ctb_128x128 = sdb_pitch_128x128 * (align(2336, 64) / 64);
int sdb_fg_avg_luma_size_ctb_64x64 = sdb_pitch_64x64 * (align(384, 64) / 64);
int sdb_fg_avg_luma_size_ctb_128x128 = sdb_pitch_128x128 * (align(640, 64) / 64);
ctx_size += (MAX2(sdb_lf_size_ctb_64x64, sdb_lf_size_ctb_128x128) +
MAX2(sdb_superres_size_ctb_64x64, sdb_superres_size_ctb_128x128) +
MAX2(sdb_output_size_ctb_64x64, sdb_output_size_ctb_128x128) +
MAX2(sdb_fg_avg_luma_size_ctb_64x64, sdb_fg_avg_luma_size_ctb_128x128)) *
2 +
68 * 512;
}
return ctx_size;
}