> commit ac9b8236551d1177fd07b56aef9b565d1864420d
> Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Date: Fri Nov 27 18:55:26 2015 +0200
>
> drm/i915: Introduce a gmbus power domain
>
> gmbus also needs the power domain infrastructure right from the start,
> since as soon as we register the i2c controllers someone can use them.
>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Patrik Jakobsson <patrik.jakobsson@xxxxxxxxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Meelis Roos <mroos@xxxxxxxx>
> Fixes: ac9b8236551d ("drm/i915: Introduce a gmbus power domain")
> Cc: stable@xxxxxxxxxxxxxxx
> References: http://www.spinics.net/lists/intel-gfx/msg83075.html
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Tested-by: Meelis Roos <mroos@xxxxxxxx>
Worked fine on my SNB computer.
> ---
> drivers/gpu/drm/i915/i915_dma.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index b4741d121a74..405aba2ca736 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -396,8 +396,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
> if (ret)
> goto cleanup_vga_switcheroo;
>
> - intel_power_domains_init_hw(dev_priv);
> -
> ret = intel_irq_install(dev_priv);
> if (ret)
> goto cleanup_gem_stolen;
> @@ -1025,6 +1023,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
>
> intel_irq_init(dev_priv);
> intel_uncore_sanitize(dev);
> + intel_power_domains_init(dev_priv);
> + intel_power_domains_init_hw(dev_priv);
>
> /* Try to make sure MCHBAR is enabled before poking at it */
> intel_setup_mchbar(dev);
> @@ -1057,8 +1057,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
> goto out_gem_unload;
> }
>
> - intel_power_domains_init(dev_priv);
> -
> ret = i915_load_modeset_init(dev);
> if (ret < 0) {
> DRM_ERROR("failed to init modeset\n");
>
--
Meelis Roos (mroos@xxxxx) http://www.cs.ut.ee/~mroos/
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