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radeon: introduce a dp_work handler 

This is to be called on short HPD irqs, just introduce
the basic infrastructure for it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie 2015-02-24 09:23:56 +10:00 committed by Alex Deucher
parent 87f5942d1f
commit de6284aa01
2 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -2412,6 +2412,7 @@ struct radeon_device {
struct radeon_rlc rlc;
struct radeon_mec mec;
struct work_struct hotplug_work;
struct work_struct dp_work;
struct work_struct audio_work;
int num_crtc; /* number of crtcs */
struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */

4
drivers/gpu/drm/radeon/radeon_irq_kms.c
View File

@ -87,6 +87,9 @@ static void radeon_hotplug_work_func(struct work_struct *work)
drm_helper_hpd_irq_event(dev);
}
static void radeon_dp_work_func(struct work_struct *work)
{
}
/**
* radeon_driver_irq_preinstall_kms - drm irq preinstall callback
*
@ -276,6 +279,7 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
}
INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
INIT_WORK(&rdev->dp_work, radeon_dp_work_func);
INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi);
rdev->irq.installed = true;