[RFC 3/8] R300 fixes

[aaron.zakhrov@gmail.com]

From: Aaron Dominick <aaron.zakhrov@gmail.com>

---
 hw/display/r300.c | 9 +++++++++
 hw/display/r300.h | 6 ++++++
 2 files changed, 15 insertions(+)

diff --git a/hw/display/r300.c b/hw/display/r300.c
index 653474c3aa..074dbf5b2d 100644
--- a/hw/display/r300.c
+++ b/hw/display/r300.c
@@ -878,6 +878,15 @@ static void r300_mm_write(void *opaque, hwaddr addr,
     case RADEON_DEFAULT_SC_BOTTOM_RIGHT:
         s->regs.default_sc_bottom_right = data & 0x3fff3fff;
         break;
+    case R300_GB_ENABLE:
+        s->regs.r300_gb_enable = data;
+        break;
+    case R300_GB_TILE_CONFIG:
+            s->regs.r300_gb_tile_config = data;
+            break;
+    case R300_GB_FIFO_SIZE:
+            s->regs.r300_gb_fifo_size = data;
+            break;
     default:
         break;
     }
diff --git a/hw/display/r300.h b/hw/display/r300.h
index a9e1db32be..19e3d97f8a 100644
--- a/hw/display/r300.h
+++ b/hw/display/r300.h
@@ -83,6 +83,12 @@ typedef struct RADVGARegs{
   uint32_t default_sc_bottom_right;
   uint32_t mc_status;
 
+  //R300 GB Registers
+  uint32_t r300_gb_enable;
+  uint32_t r300_gb_tile_config;
+  uint32_t r300_gb_fifo_size;
+
+
 //Color Buffer RB3D
   uint32_t r300_rb3d_aaresolve_ctl;
   uint32_t r300_rb3d_aaresolve_offset;
-- 
2.24.0