From dd3b0de42c71f4df783a11d48b47e52bad7d5ba0 Mon Sep 17 00:00:00 2001
From: Nanley Chery <nanley.g.chery@intel.com>
Date: Tue, 12 Nov 2024 13:14:45 -0500
Subject: [PATCH] anv: Disable fast-clears on linear surfaces

Bspec 57340 does not have a fast-clear rectangle for linear surfaces.

Reviewed-by: Jianxun Zhang <jianxun.zhang@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32120>
---
 src/intel/vulkan/anv_image.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/intel/vulkan/anv_image.c b/src/intel/vulkan/anv_image.c
index d05e60969fb..8d6b74a8bb6 100644
--- a/src/intel/vulkan/anv_image.c
+++ b/src/intel/vulkan/anv_image.c
@@ -3408,6 +3408,12 @@ anv_layout_to_fast_clear_type(const struct intel_device_info * const devinfo,
    if (image->planes[plane].aux_usage == ISL_AUX_USAGE_NONE)
       return ANV_FAST_CLEAR_NONE;
 
+   /* Bspec 57340 (r68483) has no fast-clear rectangle for linear surfaces. */
+   if (image->planes[plane].primary_surface.isl.tiling == ISL_TILING_LINEAR) {
+      assert(devinfo->ver >= 20);
+      return ANV_FAST_CLEAR_NONE;
+   }
+
    /* Xe2+ platforms don't have fast clear type and can always support
     * arbitrary fast-clear values.
     */