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

commit 5495e39fb3695182b9f2a72fe4169056cada37a1 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index c434d398d16f0302bec862c95b6421cb8e505652..e2d7f38447cc5d9e710f29aee6f6350b157817f8 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -580,8 +580,22 @@ 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;
 }
 
 /**
@@ -2136,6 +2150,7 @@ 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]))