[Nouveau] [Bug 76483] [NV50, bisected, RFC patch] xset dpms force {on, off} does not work over DP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76483

--- Comment #15 from Ben Skeggs <skeggsb at gmail.com> ---
(In reply to comment #12)
> Ok.  Not sure what the latest drm-next is, I found a recent looking
> drm-nouveau-next and it did the same thing.
> 
> Monitor is blanked (backlight off) via:
> [  225.790860] nouveau D[     I2C][0000:05:00.0] AUXCH(3): 8: 0x00000600 1
> [  225.790894] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000002
> [  225.790897] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  225.790899] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  225.790901] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  225.791037] nouveau D[     I2C][0000:05:00.0] AUXCH(3): 00 0x01108000
> 0x10000000
> 
> and the unsuccessful attempt to restore backlight is:
> 
> [  251.285375] nouveau D[     I2C][0000:05:00.0] AUXCH(3): 8: 0x00000600 1
> [  251.285388] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000001
> [  251.285391] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  251.285393] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  251.285395] nouveau D[     I2C][0000:05:00.0] AUXCH(3): wr 0x00000000
> [  251.285529] nouveau D[     I2C][0000:05:00.0] AUXCH(3): 00 0x01108000
> 0x10000000
> 
> Full log attached as it's rather lengthy.  ***NOTE*** lines show when things
> happened.

Can you grab a new log with that patch I just attached applied?

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