diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index 89881967dfd..98fad6c8f87 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp @@ -822,11 +822,11 @@ vec4_visitor::is_dep_ctrl_unsafe(const vec4_instruction *inst) (reg.type == BRW_REGISTER_TYPE_UD || \ reg.type == BRW_REGISTER_TYPE_D) - /* From the destination hazard section of the spec: - * > Instructions other than send, may use this control as long as operations - * > that have different pipeline latencies are not mixed. + /* "When source or destination datatype is 64b or operation is integer DWord + * multiply, DepCtrl must not be used." + * May apply to future SoCs as well. */ - if (brw->gen >= 8) { + if (brw->is_cherryview) { if (inst->opcode == BRW_OPCODE_MUL && IS_DWORD(inst->src[0]) && IS_DWORD(inst->src[1])) |