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radeonsi/vcn: Limit size to target size in AV1 decode

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Avoids page faults when trying to decode into small target buffer.
This currently happens due to ffmpeg bug when decoding AV1-TEST-VECTORS/av1-1-b8-03-sizeup.

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30072>
This commit is contained in:
David Rosca 2024-07-08 14:47:36 +02:00 • committed by Marge Bot
parent d36b1e30a2
commit 3a6513d7c4
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/radeonsi/radeon_vcn_dec.c
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@ -948,6 +948,12 @@ static rvcn_dec_message_av1_t get_av1_msg(struct radeon_decoder *dec,
result.superres_upscaled_width = pic->picture_parameter.frame_width;
result.order_hint_bits = pic->picture_parameter.order_hint_bits_minus_1 + 1;
/* Limit to target size in case applications try to decode into smaller
* target buffer. */
result.width = MIN2(target->width, result.width);
result.height = MIN2(target->height, result.height);
result.superres_upscaled_width = MIN2(target->width, result.superres_upscaled_width);
for (i = 0; i < NUM_AV1_REFS; ++i) {
uintptr_t ref_frame;
if (pic->ref[i]) {