From d770e3cfe5a274a343d896b2cc1646af85646fbc Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 15 Apr 2009 21:46:36 +0100 Subject: drm/i915: Register ACPI video even when not modesetting 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 Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_opregion.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/i915/i915_opregion.c') diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 69427722d20e..8dc1fd3115c2 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. */ -- cgit v1.2.3 From 3b1c1c1118880921da1188b7245e0470742802f8 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 1 Apr 2009 19:52:29 +0100 Subject: drm/i915: Unregister ACPI video driver when exiting The i915 DRM triggers registration of the ACPI video driver on load. It should unregister it at unload in order to avoid generating backtraces on being reloaded. Signed-off-by: Matthew Garrett Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_opregion.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/i915/i915_opregion.c') diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 8dc1fd3115c2..3eceefe3475f 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -409,7 +409,7 @@ err_out: return err; } -void intel_opregion_free(struct drm_device *dev) +void intel_opregion_free(struct drm_device *dev, int suspend) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; @@ -417,6 +417,9 @@ void intel_opregion_free(struct drm_device *dev) if (!opregion->enabled) return; + if (!suspend) + acpi_video_exit(); + opregion->acpi->drdy = 0; system_opregion = NULL; -- cgit v1.2.3 From 44ab43155e8071fbf037513e57de9a79044edf56 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 1 Apr 2009 19:53:33 +0100 Subject: drm/i915: Enable ASLE if present The changes to opregion initialisation order meant that the ASLE setup code might not be run at the correct time. Ensure that the interrupts are set up. Signed-off-by: Matthew Garrett Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_opregion.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/i915/i915_opregion.c') diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 3eceefe3475f..dc425e74a268 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -386,6 +386,7 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ASLE) { DRM_DEBUG("ASLE supported\n"); opregion->asle = base + OPREGION_ASLE_OFFSET; + opregion_enable_asle(dev); } if (!resume) -- cgit v1.2.3