Re: [PATCH] i915: Register ACPI video even when not modesetting

From: Len Brown
Date: Fri Apr 24 2009 - 00:43:21 EST


applied

(and acpi-devel fixed to linux-acpi on cc:-)

thanks,
Len Brown, Intel Open Source Technology Center

On Wed, 15 Apr 2009, Matthew Garrett wrote:

> The ACPI video driver defers registration to the i915 driver if the
> system supports opregion-mediated backlight control. This registration
> was only being performed in the KMS case. Ensure it's done even if we
> don't have modesetting enabled.
>
> Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx>
>
> diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c
> index 6942772..8dc1fd3 100644
> --- a/drivers/gpu/drm/i915/i915_opregion.c
> +++ b/drivers/gpu/drm/i915/i915_opregion.c
> @@ -370,11 +370,8 @@ int intel_opregion_init(struct drm_device *dev, int resume)
> if (mboxes & MBOX_ACPI) {
> DRM_DEBUG("Public ACPI methods supported\n");
> opregion->acpi = base + OPREGION_ACPI_OFFSET;
> - if (drm_core_check_feature(dev, DRIVER_MODESET)) {
> + if (drm_core_check_feature(dev, DRIVER_MODESET))
> intel_didl_outputs(dev);
> - if (!resume)
> - acpi_video_register();
> - }
> } else {
> DRM_DEBUG("Public ACPI methods not supported\n");
> err = -ENOTSUPP;
> @@ -391,6 +388,10 @@ int intel_opregion_init(struct drm_device *dev, int resume)
> opregion->asle = base + OPREGION_ASLE_OFFSET;
> }
>
> + if (!resume)
> + acpi_video_register();
> +
> +
> /* Notify BIOS we are ready to handle ACPI video ext notifs.
> * Right now, all the events are handled by the ACPI video module.
> * We don't actually need to do anything with them. */
>
> --
> Matthew Garrett | mjg59@xxxxxxxxxxxxx
> --
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