[ 099/110] drm/nouveau/bios/init: stub opcode 0xaa

From: Greg Kroah-Hartman
Date: Fri Oct 11 2013 - 16:23:46 EST


3.10-stable review patch. If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@xxxxxxxxxx>

commit 5495e39fb3695182b9f2a72fe4169056cada37a1 upstream.

Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/nouveau/core/subdev/bios/init.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)

--- 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]))


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