From a043ae8e249ce2c1c5df947434ffc76e654b5fe0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tapani=20P=C3=A4lli?= <tapani.palli@intel.com>
Date: Tue, 14 Feb 2023 11:23:29 +0200
Subject: [PATCH] iris: implement emission of 3DSTATE_HS for Wa_1306463417
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

We need to emit 3DSTATE_HS for each primitive with tessellation.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21308>
---
 src/gallium/drivers/iris/iris_state.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 4dee0bc..b9b7e6f 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -7126,6 +7126,13 @@ iris_upload_render_state(struct iris_context *ice,
       batch->contains_draw_with_next_seqno = true;
    }
 
+   /* Wa_1306463417 - Send HS state for every primitive on gfx11.
+    * We implement this by setting TCS dirty on each draw.
+    */
+   if (GFX_VER == 11 && ice->shaders.prog[MESA_SHADER_TESS_CTRL]) {
+      ice->state.stage_dirty |= IRIS_STAGE_DIRTY_TCS;
+   }
+
    iris_upload_dirty_render_state(ice, batch, draw);
 
    if (draw->index_size > 0) {
-- 
2.7.4