From 5a5febfccdceff60f86d3d6aff103fb3cb7f0425 Mon Sep 17 00:00:00 2001
From: Mary Guillemard <mary@mary.zone>
Date: Mon, 30 Mar 2026 20:41:48 +0200
Subject: [PATCH] nvk: Ensure that shader I-cache prefetch is enabled on Ada+

Signed-off-by: Mary Guillemard <mary@mary.zone>
Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Tested-by: Thomas H.P. Andersen <phomes@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40700>
---
 src/nouveau/vulkan/nvk_cmd_draw.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nouveau/vulkan/nvk_cmd_draw.c b/src/nouveau/vulkan/nvk_cmd_draw.c
index 9d676adc000..0f12ef9f782 100644
--- a/src/nouveau/vulkan/nvk_cmd_draw.c
+++ b/src/nouveau/vulkan/nvk_cmd_draw.c
@@ -33,6 +33,7 @@
 #include "nv_push_clcb97.h"
 #include "nv_push_clcd97.h"
 #include "clc7c0.h"
+#include "clc997.h"
 #include "clcb97.h"
 #include "clcd97.h"
 #include "drf.h"
@@ -315,6 +316,7 @@ nvk_push_draw_state_init(struct nvk_queue *queue, struct nv_push *p)
    P_NV9097_SET_REDUCE_COLOR_THRESHOLDS_SRGB8(p, {
       .all_covered_all_hit_once = 0xff,
    });
+   P_IMMD(p, NV9097, SET_SHADER_CACHE_CONTROL, pdev->info.cls_eng3d >= ADA_A);
 
    if (pdev->info.cls_eng3d < VOLTA_A)
       P_IMMD(p, NV9097, SET_ALPHA_FRACTION, 0x3f);