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drm/vmwgfx: Fix SET_SHADER_CONST emulation on guest-backed devices 

Emulate the SET_SHADER_CONST legacy command on guest-backed devices by
issuing a SET_GB_SHADERCONSTS_INLINE command.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
hifive-unleashed-5.1
Thomas Hellstrom 2014-01-30 11:13:43 +01:00
parent cf5e341333
commit 0ccbbae43c
1 changed files with 35 additions and 2 deletions
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37
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
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@ -1528,6 +1528,39 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
return 0;
}
/**
* vmw_cmd_set_shader_const - Validate an SVGA_3D_CMD_SET_SHADER_CONST
* command
*
* @dev_priv: Pointer to a device private struct.
* @sw_context: The software context being used for this batch.
* @header: Pointer to the command header in the command stream.
*/
static int vmw_cmd_set_shader_const(struct vmw_private *dev_priv,
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
struct vmw_set_shader_const_cmd {
SVGA3dCmdHeader header;
SVGA3dCmdSetShaderConst body;
} *cmd;
int ret;
cmd = container_of(header, struct vmw_set_shader_const_cmd,
header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
user_context_converter, &cmd->body.cid,
NULL);
if (unlikely(ret != 0))
return ret;
if (dev_priv->has_mob)
header->id = SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE;
return 0;
}
/**
* vmw_cmd_bind_gb_shader - Validate an SVGA_3D_CMD_BIND_GB_SHADER
* command
@ -1642,8 +1675,8 @@ static const struct vmw_cmd_entry const vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
true, true, false),
VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER, &vmw_cmd_set_shader,
true, false, false),
VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_cid_check,
true, true, false),
VMW_CMD_DEF(SVGA_3D_CMD_SET_SHADER_CONST, &vmw_cmd_set_shader_const,
true, false, false),
VMW_CMD_DEF(SVGA_3D_CMD_DRAW_PRIMITIVES, &vmw_cmd_draw,
true, false, false),
VMW_CMD_DEF(SVGA_3D_CMD_SETSCISSORRECT, &vmw_cmd_cid_check,