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authorJani Nikula2013-10-31 17:55:48 +0100
committerDaniel Vetter2013-11-06 17:55:16 +0100
commit91a60f20712179e56b7a6c3d332a5f6f9a54aa11 (patch)
tree558121398fc14245ea7ceba3cbf89cad43c7b00e /drivers/gpu/drm/i915/intel_opregion.c
parentdrm/i915/vlv: use PIPE_START_VBLANK interrupts on VLV (diff)
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drm/i915: move opregion asle request handling to a work queue
Doing this has been long overdue anyway, but now we really need it in preparation for per connector backlight handling. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
-rw-r--r--drivers/gpu/drm/i915/intel_opregion.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index b82050c96f3e..892d520175d8 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -486,9 +486,13 @@ static u32 asle_isct_state(struct drm_device *dev)
return ASLC_ISCT_STATE_FAILED;
}
-void intel_opregion_asle_intr(struct drm_device *dev)
+static void asle_work(struct work_struct *work)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_opregion *opregion =
+ container_of(work, struct intel_opregion, asle_work);
+ struct drm_i915_private *dev_priv =
+ container_of(opregion, struct drm_i915_private, opregion);
+ struct drm_device *dev = dev_priv->dev;
struct opregion_asle __iomem *asle = dev_priv->opregion.asle;
u32 aslc_stat = 0;
u32 aslc_req;
@@ -535,6 +539,14 @@ void intel_opregion_asle_intr(struct drm_device *dev)
iowrite32(aslc_stat, &asle->aslc);
}
+void intel_opregion_asle_intr(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->opregion.asle)
+ schedule_work(&dev_priv->opregion.asle_work);
+}
+
#define ACPI_EV_DISPLAY_SWITCH (1<<0)
#define ACPI_EV_LID (1<<1)
#define ACPI_EV_DOCK (1<<2)
@@ -735,6 +747,8 @@ void intel_opregion_fini(struct drm_device *dev)
if (opregion->asle)
iowrite32(ASLE_ARDY_NOT_READY, &opregion->asle->ardy);
+ cancel_work_sync(&dev_priv->opregion.asle_work);
+
if (opregion->acpi) {
iowrite32(0, &opregion->acpi->drdy);
@@ -828,6 +842,8 @@ int intel_opregion_setup(struct drm_device *dev)
return -ENOTSUPP;
}
+ INIT_WORK(&opregion->asle_work, asle_work);
+
base = acpi_os_ioremap(asls, OPREGION_SIZE);
if (!base)
return -ENOMEM;