From fe5c82e853d5e1b91937e777d0a5dbc3e296d8e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tapani=20P=C3=A4lli?= <tapani.palli@intel.com>
Date: Wed, 2 Aug 2023 09:44:59 +0300
Subject: [PATCH] isl: implement Wa_14018471104
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Set EnableSamplerRouteToLSC in case ResourceMinLOD is 0.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26801>
---
 src/intel/isl/isl_surface_state.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index 406b5bcb590..a8f875b50cc 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -525,6 +525,15 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
 #if GFX_VERx10 >= 200
    s.EnableSamplerRoutetoLSC = isl_format_support_sampler_route_to_lsc(info->view->format);
    s.EnableSamplerRoutetoLSC &= (s.SurfaceType == SURFTYPE_2D);
+
+/* Wa_14018471104:
+ * For APIs that use ResourceMinLod, do the following: (remains same as before)
+ *    1. If ResourceMinLod == 0.0 then **Enable Sampler Route to LSC**
+ *       in RENDER SURFACE STATE to 1 else to 0
+ */
+#if INTEL_NEEDS_WA_14018471104
+   s.EnableSamplerRoutetoLSC &= info->view->min_lod_clamp == 0;
+#endif
 #endif /* if GFX_VERx10 >= 200 */
 
 #else