From 4893e09c10510edeb1e1a4396ec51d6e28fa9d1e Mon Sep 17 00:00:00 2001
From: David Rosca <david.rosca@amd.com>
Date: Mon, 11 Aug 2025 17:02:07 +0200
Subject: [PATCH] radeonsi/vcn: Enable AV1 decode workaround for gfx1153

Cc: mesa-stable
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36725>
---
 src/gallium/drivers/radeonsi/radeon_vcn_dec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/radeon_vcn_dec.c b/src/gallium/drivers/radeonsi/radeon_vcn_dec.c
index 46e11207e0d..64d15c5e409 100644
--- a/src/gallium/drivers/radeonsi/radeon_vcn_dec.c
+++ b/src/gallium/drivers/radeonsi/radeon_vcn_dec.c
@@ -698,6 +698,7 @@ static rvcn_dec_message_av1_t get_av1_msg(struct radeon_decoder *dec,
                                           struct pipe_video_buffer *target,
                                           struct pipe_av1_picture_desc *pic)
 {
+   struct si_screen *sscreen = (struct si_screen *)dec->screen;
    rvcn_dec_message_av1_t result;
    unsigned i, j, num_refs = 0, valid_ref = UINT32_MAX;
    uint16_t tile_count = pic->picture_parameter.tile_cols * pic->picture_parameter.tile_rows;
@@ -1076,6 +1077,8 @@ static rvcn_dec_message_av1_t get_av1_msg(struct radeon_decoder *dec,
       }
    }
 
+   result.av1_intrabc_workaround = sscreen->info.family == CHIP_GFX1153;
+
    return result;
 }