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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Date: Sun, 12 Jun 2022 23:59:05 +0300
Subject: [PATCH] anv: force MEDIA_INTERFACE_DESCRIPTOR_LOAD reemit after
3D->GPGPU switch
Seems to fix a hang in Age of Empire 4 where the HW is hung on a
PIPE_CONTROL after a GPGPU_WALKER but no
MEDIA_INTERFACE_DESCRIPTOR_LOAD was emitted since the switch from 3D
to GPGPU.
This would happen in the following case :
vkCmdBindPipeline(COMPUTE, cs_pipeline);
vkCmdDispatch(...);
vkCmdBindPipeline(GRAPHICS, gfx_pipeline);
vkCmdDraw(...);
vkCmdDispatch(...);
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
src/intel/vulkan/genX_cmd_buffer.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 1aa997f2ade2..2e9979c8f63e 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -5955,6 +5955,11 @@ genX(flush_pipeline_select)(struct anv_cmd_buffer *cmd_buffer,
}
#endif
+#if GFX_VERx10 == 120
+ if (pipeline == _3D)
+ cmd_buffer->state.compute.pipeline_dirty = true;
+#endif
+
/* From "BXML » GT » MI » vol1a GPU Overview » [Instruction]
* PIPELINE_SELECT [DevBWR+]":
*
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