drm/nouveau/bios/init: stub opcode 0xaa

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 17 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index 2e11ea02cf87..cede3d662c35 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -579,8 +579,22 @@ static void
 init_reserved(struct nvbios_init *init)
 {
         u8 opcode = nv_ro08(init->bios, init->offset);
-        trace("RESERVED\t0x%02x\n", opcode);
-        init->offset += 1;
+        u8 length, i;
+
+        switch (opcode) {
+        case 0xaa:
+                length = 4;
+                break;
+        default:
+                length = 1;
+                break;
+        }
+
+        trace("RESERVED 0x%02x\t", opcode);
+        for (i = 1; i < length; i++)
+                cont(" 0x%02x", nv_ro08(init->bios, init->offset + i));
+        cont("\n");
+        init->offset += length;
 }
 
 /**
@@ -2135,6 +2149,7 @@ static struct nvbios_init_opcode {
         [0x99] = { init_zm_auxch },
         [0x9a] = { init_i2c_long_if },
         [0xa9] = { init_gpio_ne },
+        [0xaa] = { init_reserved },
 };
 
 #define init_opcode_nr (sizeof(init_opcode) / sizeof(init_opcode[0]))