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52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
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Date: Sun, 12 Jun 2022 23:59:05 +0300
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Subject: [PATCH] anv: force MEDIA_INTERFACE_DESCRIPTOR_LOAD reemit after
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3D->GPGPU switch
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Seems to fix a hang in the following titles :
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- Age of Empire 4
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- Monster Hunter Rise
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where the HW is hung on a PIPE_CONTROL after a GPGPU_WALKER but no
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MEDIA_INTERFACE_DESCRIPTOR_LOAD was emitted since the switch from 3D
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to GPGPU.
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This would happen in the following case :
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vkCmdBindPipeline(COMPUTE, cs_pipeline);
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vkCmdDispatch(...);
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vkCmdBindPipeline(GRAPHICS, gfx_pipeline);
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vkCmdDraw(...);
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vkCmdDispatch(...);
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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
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---
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src/intel/vulkan/genX_cmd_buffer.c | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
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index 6e4ecbe5939b..700b824e3e8f 100644
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--- a/src/intel/vulkan/genX_cmd_buffer.c
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+++ b/src/intel/vulkan/genX_cmd_buffer.c
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@@ -6030,6 +6030,20 @@ genX(flush_pipeline_select)(struct anv_cmd_buffer *cmd_buffer,
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}
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#endif
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+#if GFX_VERx10 == 120
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+ /* Undocumented workaround to force the re-emission of
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+ * MEDIA_INTERFACE_DESCRIPTOR_LOAD when switching from 3D to Compute
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+ * pipeline without rebinding a pipeline :
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+ * vkCmdBindPipeline(COMPUTE, cs_pipeline);
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+ * vkCmdDispatch(...);
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+ * vkCmdBindPipeline(GRAPHICS, gfx_pipeline);
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+ * vkCmdDraw(...);
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+ * vkCmdDispatch(...);
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+ */
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+ if (pipeline == _3D)
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+ cmd_buffer->state.compute.pipeline_dirty = true;
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+#endif
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+
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/* From "BXML » GT » MI » vol1a GPU Overview » [Instruction]
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* PIPELINE_SELECT [DevBWR+]":
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*
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