From 03ca8d88ffaa1920357555b9631ccaebff2aadde Mon Sep 17 00:00:00 2001
From: Deepak Rawat <drawat.floss@gmail.com>
Date: Thu, 13 Dec 2018 14:00:18 -0800
Subject: drm/vmwgfx: Add support for indirect and dispatch commands
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Git-commit: b6fad7397521cb032b3222d750147fb111555a59
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Validate indirect and dispatch commands in command buffer.
Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 70 +++++++++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index ed56d9918c6a..ecab6cbbc8d3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -2816,6 +2816,16 @@ static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
&cmd->body.surface.sid, NULL);
}
+static int vmw_cmd_sm5(struct vmw_private *dev_priv,
+ struct vmw_sw_context *sw_context,
+ SVGA3dCmdHeader *header)
+{
+ if (!has_sm5_context(dev_priv))
+ return -EINVAL;
+
+ return 0;
+}
+
static int vmw_cmd_sm5_view_define(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
@@ -2938,6 +2948,57 @@ static int vmw_cmd_set_cs_uav(struct vmw_private *dev_priv,
return ret;
}
+static int vmw_cmd_indexed_instanced_indirect(struct vmw_private *dev_priv,
+ struct vmw_sw_context *sw_context,
+ SVGA3dCmdHeader *header)
+{
+ struct vmw_draw_indexed_instanced_indirect_cmd {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdDXDrawIndexedInstancedIndirect body;
+ } *cmd = container_of(header, typeof(*cmd), header);
+
+ if (!has_sm5_context(dev_priv))
+ return -EINVAL;
+
+ return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
+ VMW_RES_DIRTY_NONE, user_surface_converter,
+ &cmd->body.argsBufferSid, NULL);
+}
+
+static int vmw_cmd_instanced_indirect(struct vmw_private *dev_priv,
+ struct vmw_sw_context *sw_context,
+ SVGA3dCmdHeader *header)
+{
+ struct vmw_draw_instanced_indirect_cmd {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdDXDrawInstancedIndirect body;
+ } *cmd = container_of(header, typeof(*cmd), header);
+
+ if (!has_sm5_context(dev_priv))
+ return -EINVAL;
+
+ return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
+ VMW_RES_DIRTY_NONE, user_surface_converter,
+ &cmd->body.argsBufferSid, NULL);
+}
+
+static int vmw_cmd_dispatch_indirect(struct vmw_private *dev_priv,
+ struct vmw_sw_context *sw_context,
+ SVGA3dCmdHeader *header)
+{
+ struct vmw_dispatch_indirect_cmd {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdDXDispatchIndirect body;
+ } *cmd = container_of(header, typeof(*cmd), header);
+
+ if (!has_sm5_context(dev_priv))
+ return -EINVAL;
+
+ return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
+ VMW_RES_DIRTY_NONE, user_surface_converter,
+ &cmd->body.argsBufferSid, NULL);
+}
+
static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
void *buf, uint32_t *size)
@@ -3303,8 +3364,17 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_UA_VIEWS, &vmw_cmd_set_uav, true, false,
true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INDEXED_INSTANCED_INDIRECT,
+ &vmw_cmd_indexed_instanced_indirect, true, false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DRAW_INSTANCED_INDIRECT,
+ &vmw_cmd_instanced_indirect, true, false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH, &vmw_cmd_sm5, true, false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DISPATCH_INDIRECT,
+ &vmw_cmd_dispatch_indirect, true, false, true),
VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_CS_UA_VIEWS, &vmw_cmd_set_cs_uav, true,
false, true),
+ VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_DEPTHSTENCIL_VIEW_V2,
+ &vmw_cmd_sm5_view_define, true, false, true),
};
bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
--
2.28.0