From e9341be2463d96a385fbdf7a8495f034e7907ed4 Mon Sep 17 00:00:00 2001
From: David Rosca <david.rosca@amd.com>
Date: Fri, 22 Nov 2024 11:08:00 +0100
Subject: [PATCH] ac/surface: Only allow linear modifier for subsampled 422
 formats

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33598>
---
 src/amd/common/ac_surface.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/amd/common/ac_surface.c b/src/amd/common/ac_surface.c
index 90b6933828c..2e8395579ce 100644
--- a/src/amd/common/ac_surface.c
+++ b/src/amd/common/ac_surface.c
@@ -260,6 +260,10 @@ bool ac_is_modifier_supported(const struct radeon_info *info,
    if (info->gfx_level < GFX9 && util_format_get_num_planes(format) > 1)
       return false;
 
+   /* Tiling doesn't work with the 422 (SUBSAMPLED) formats. */
+   if (util_format_is_subsampled_422(format))
+      return false;
+
    uint32_t allowed_swizzles = 0xFFFFFFFF;
    switch(info->gfx_level) {
    case GFX9: