panfrost: Remove fbd_type enum

Just use the MALI_MFBD tag directly; it's clean.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3118>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3118>

src/gallium/drivers/panfrost/pan_sfbd.c

@@ -269,5 +269,5 @@ panfrost_sfbd_fragment(struct panfrost_batch *batch, bool has_draws)
                 fb.format.unk2 |= MALI_SFBD_FORMAT_MSAA_B;
         }
 
-        return panfrost_upload_transient(batch, &fb, sizeof(fb)) | MALI_SFBD;
+        return panfrost_upload_transient(batch, &fb, sizeof(fb));
 }

src/panfrost/include/panfrost-job.h

@@ -872,14 +872,11 @@ struct mali_attr_meta {
         int32_t src_offset;
 } __attribute__((packed));
 
-enum mali_fbd_type {
-        MALI_SFBD = 0,
-        MALI_MFBD = 1,
-};
-
-#define FBD_TYPE (1)
 #define FBD_MASK (~0x3f)
 
+/* MFBD, rather than SFBD */
+#define MALI_MFBD (0x1)
+
 /* ORed into an MFBD address to specify the fbx section is included */
 #define MALI_MFBD_TAG_EXTRA (0x2)
 

src/panfrost/pandecode/decode.c

@@ -2116,7 +2116,7 @@ pandecode_vertex_tiler_postfix_pre(
         };
 
         if (is_bifrost)
-                pandecode_scratchpad(p->framebuffer & ~FBD_TYPE, job_no, suffix);
+                pandecode_scratchpad(p->framebuffer & ~1, job_no, suffix);
         else if (p->framebuffer & MALI_MFBD)
                 fbd_info = pandecode_mfbd_bfr((u64) ((uintptr_t) p->framebuffer) & FBD_MASK, job_no, false);
         else if (job_type == JOB_TYPE_COMPUTE)
@@ -2734,7 +2734,7 @@ pandecode_fragment_job(const struct pandecode_mapped_memory *mem,
 {
         const struct mali_payload_fragment *PANDECODE_PTR_VAR(s, mem, payload);
 
-        bool is_mfbd = (s->framebuffer & FBD_TYPE) == MALI_MFBD;
+        bool is_mfbd = s->framebuffer & MALI_MFBD;
 
         /* Bifrost theoretically may retain support for SFBD on compute jobs,
          * but for graphics workloads with a FRAGMENT payload, use MFBD */
@@ -2754,7 +2754,7 @@ pandecode_fragment_job(const struct pandecode_mapped_memory *mem,
          * additional structures follow the MFBD header (an extra payload or
          * not, as well as a count of render targets) */
 
-        unsigned expected_tag = is_mfbd ? MALI_MFBD : MALI_SFBD;
+        unsigned expected_tag = is_mfbd ? MALI_MFBD : 0;
 
         if (is_mfbd) {
                 if (info.has_extra)