[Nouveau] display force off - kernel 3.18

[Andrei Amuraritei]

On 10/24/2014 11:55 PM, poma wrote:
> linux-next, commit 2d65a9f broke nouveau(display is powered off):
> - boot from soft-off(S5)
> - thaw from hibernate(S4)
> - resume from suspend(S3)
>
> Chipset: G98 (NV98)
> Family : NV50
>
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=2d65a9f
>
> commit 2d65a9f48fcdf7866aab6457bc707ca233e0c791
> Merge: da92da3 dfda0df
> Author: Linus Torvalds <torvalds at linux-foundation.org>
> Date:   Tue Oct 14 09:39:08 2014 +0200
>
>      Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
>      
>      Pull drm updates from Dave Airlie:
>       "This is the main git pull for the drm,
>      
>        I pretty much froze major pulls at -rc5/6 time, and haven't had much
>        fallout, so will probably continue doing that.
>      
>        Lots of changes all over, big internal header cleanup to make it clear
>        drm features are legacy things and what are things that modern KMS
>        drivers should be using.  Also big move to use the new generic fences
>        in all the TTM drivers.
>      
>        core:
>              atomic prep work,
>              vblank rework changes, allows immediate vblank disables
>              major header reworking and cleanups to better delinate legacy
>              interfaces from what KMS drivers should be using.
>              cursor planes locking fixes
>      
>        ttm:
>              move to generic fences (affects all TTM drivers)
>              ppc64 caching fixes
>      
>        radeon:
>              userptr support,
>              uvd for old asics,
>              reset rework for fence changes
>              better buffer placement changes,
>              dpm feature enablement
>              hdmi audio support fixes
>      
>        intel:
>              Cherryview work,
>              180 degree rotation,
>              skylake prep work,
>              execlist command submission
>              full ppgtt prep work
>              cursor improvements
>              edid caching,
>              vdd handling improvements
>      
>        nouveau:
>              fence reworking
>              kepler memory clock work
>              gt21x clock work
>              fan control improvements
>              hdmi infoframe fixes
>              DP audio
>      
>        ast:
>              ppc64 fixes
>              caching fix
>      
>        rcar:
>              rcar-du DT support
>      
>        ipuv3:
>              prep work for capture support
>      
>        msm:
>              LVDS support for mdp4, new panel, gpu refactoring
>      
>        exynos:
>              exynos3250 SoC support, drop bad mmap interface,
>              mipi dsi changes, and component match support"
>      
>      * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
>        drm/mst: rework payload table allocation to conform better.
>        drm/ast: Fix HW cursor image
>        drm/radeon/kv: add uvd/vce info to dpm debugfs output
>        drm/radeon/ci: add uvd/vce info to dpm debugfs output
>        drm/radeon: export reservation_object from dmabuf to ttm
>        drm/radeon: cope with foreign fences inside the reservation object
>        drm/radeon: cope with foreign fences inside display
>        drm/core: use helper to check driver features
>        drm/radeon/cik: write gfx ucode version to ucode addr reg
>        drm/radeon/si: print full CS when we hit a packet 0
>        drm/radeon: remove unecessary includes
>        drm/radeon/combios: declare legacy_connector_convert as static
>        drm/radeon/atombios: declare connector convert tables as static
>        drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
>        drm/radeon/dpm: drop clk/voltage dependency filters for BTC
>        drm/radeon/dpm: drop clk/voltage dependency filters for CI
>        drm/radeon/dpm: drop clk/voltage dependency filters for SI
>        drm/radeon/dpm: drop clk/voltage dependency filters for NI
>        drm/radeon: disable audio when we disable hdmi (v2)
>        drm/radeon: split audio enable between eg and r600 (v2)
>        ...
>
>
> Up to and with prior commit da92da3 nouveau(S3/4/5) works OK.
>
>
> poma
>
>
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Thanks for reporting on this poma. Much appreciated your time with this 
issue is.

Andrei Amuraritei.