drm/asahi: Identify and implement helper config register

Signed-off-by: Asahi Lina <[email protected]>

Author: hoshinolina

drivers/gpu/drm/asahi/fw/compute.rs

@@ -24,7 +24,7 @@ pub(crate) mod raw {
         pub(crate) helper_program: u32,
         pub(crate) unk_44: u32,
         pub(crate) helper_arg: U64,
-        pub(crate) helper_unk: u32,
+        pub(crate) helper_cfg: u32,
         pub(crate) unk_54: u32,
         pub(crate) unk_58: u32,
         pub(crate) unk_5c: u32,

drivers/gpu/drm/asahi/fw/fragment.rs

@@ -141,7 +141,7 @@ pub(crate) mod raw {
         pub(crate) isp_bgobjvals: u32,
         pub(crate) unk_38: u32,
         pub(crate) unk_3c: u32,
-        pub(crate) unk_40: u32,
+        pub(crate) helper_cfg: u32,
         pub(crate) __pad: Pad<0xac>,
     }
 

drivers/gpu/drm/asahi/fw/vertex.rs

@@ -25,7 +25,8 @@ pub(crate) mod raw {
         pub(crate) tpc_stride: u32,
         pub(crate) unk_24: u32,
         pub(crate) unk_28: u32,
-        pub(crate) __pad: Pad<0x74>,
+        pub(crate) helper_cfg: u32,
+        pub(crate) __pad: Pad<0x70>,
     }
 
     #[versions(AGX)]

drivers/gpu/drm/asahi/queue/compute.rs

@@ -279,7 +279,7 @@ impl super::Queue::ver {
                         helper_program: cmdbuf.helper_program, // Internal program addr | 1
                         unk_44: 0,
                         helper_arg: U64(cmdbuf.helper_arg), // Only if internal program used
-                        helper_unk: cmdbuf.helper_unk, // 0x40 if internal program used
+                        helper_cfg: cmdbuf.helper_cfg, // 0x40 if internal program used
                         unk_54: 0,
                         unk_58: 1,
                         unk_5c: 0,

drivers/gpu/drm/asahi/queue/render.rs

@@ -200,6 +200,7 @@ impl super::Queue::ver {
                 } else {
                     0x8000
                 },
+                helper_cfg: cmdbuf.vertex_helper_cfg,
                 __pad: Default::default(),
             },
         })
@@ -862,7 +863,7 @@ impl super::Queue::ver {
                         isp_bgobjvals: unks.load_bgobjvals as u32,
                         unk_38: unks.frg_unk_38 as u32,
                         unk_3c: unks.frg_unk_3c as u32,
-                        unk_40: unks.frg_unk_40 as u32,
+                        helper_cfg: cmdbuf.fragment_helper_cfg,
                         __pad: Default::default(),
                     }),
                     #[ver(G >= G14X)]