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radeonsi/vcn: Disable H264 encode 8x8 transform when CABAC is disabled

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VCN5 only supports it with CABAC enabled.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13029
Fixes: e509139f61 ("radeonsi/vcn: Add support for H264 8x8 transform on VCN5")
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36881>
(cherry picked from commit 2e400fc099)
This commit is contained in:
David Rosca 2025-08-20 15:51:57 +02:00 • committed by Eric Engestrom
parent 836891ad44
commit e048d6204c
2 changed files with 2 additions and 1 deletions
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2
.pick_status.json
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@ -6224,7 +6224,7 @@
"description": "radeonsi/vcn: Disable H264 encode 8x8 transform when CABAC is disabled",
"nominated": true,
"nomination_type": 2,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "e509139f61a2b517ab7e4d08cafd227c2a149aa3",
"notes": null

1
src/gallium/drivers/radeonsi/radeon_vcn_enc.c
View file

@ -302,6 +302,7 @@ static void radeon_vcn_enc_h264_get_spec_misc_param(struct radeon_encoder *enc,
pic->pic_ctrl.weighted_bipred_idc : 0;
enc->enc_pic.spec_misc.transform_8x8_mode =
sscreen->info.vcn_ip_version >= VCN_5_0_0 &&
enc->enc_pic.spec_misc.cabac_enable &&
pic->pic_ctrl.transform_8x8_mode_flag;
enc->enc_pic.spec_misc.level_idc = pic->seq.level_idc;
}