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

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

From: Alex Deucher <[email protected]>

commit afceb9319f21b18ee3bc15ee9a5f92e18ef8a8c9 upstream.

Some r4xx chips have the wrong frev in the
DVOEncoderControl table.  It should always be 1
on r4xx.  Fixes modesetting on DVO on r4xx chips
with the bad frev.

Reported by twied on #radeon.

Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/gpu/drm/radeon/atombios_encoders.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -230,6 +230,10 @@ atombios_dvo_setup(struct drm_encoder *e
        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 
&crev))
                return;
 
+       /* some R4xx chips have the wrong frev */
+       if (rdev->family <= CHIP_RV410)
+               frev = 1;
+
        switch (frev) {
        case 1:
                switch (crev) {


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