diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8df65d698476..b777497285da 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -24,6 +24,7 @@ * Eric Anholt <eric@anholt.net> */ +#include <acpi/video.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/intel-iommu.h> @@ -43,6 +44,7 @@ #include <drm/drm_probe_helper.h> #include <drm/drm_rect.h> +#include "display/intel_audio.h" #include "display/intel_crt.h" #include "display/intel_ddi.h" #include "display/intel_display_debugfs.h" @@ -13954,6 +13956,57 @@ void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915) intel_bios_driver_remove(i915); } +void intel_display_driver_register(struct drm_i915_private *i915) +{ + if (!HAS_DISPLAY(i915)) + return; + + intel_display_debugfs_register(i915); + + /* Must be done after probing outputs */ + intel_opregion_register(i915); + acpi_video_register(); + + intel_audio_init(i915); + + /* + * Some ports require correctly set-up hpd registers for + * detection to work properly (leading to ghost connected + * connector status), e.g. VGA on gm45. Hence we can only set + * up the initial fbdev config after hpd irqs are fully + * enabled. We do it last so that the async config cannot run + * before the connectors are registered. + */ + intel_fbdev_initial_config_async(&i915->drm); + + /* + * We need to coordinate the hotplugs with the asynchronous + * fbdev configuration, for which we use the + * fbdev->async_cookie. + */ + drm_kms_helper_poll_init(&i915->drm); +} + +void intel_display_driver_unregister(struct drm_i915_private *i915) +{ + if (!HAS_DISPLAY(i915)) + return; + + intel_fbdev_unregister(i915); + intel_audio_deinit(i915); + + /* + * After flushing the fbdev (incl. a late async config which + * will have delayed queuing of a hotplug event), then flush + * the hotplug events. + */ + drm_kms_helper_poll_fini(&i915->drm); + drm_atomic_helper_shutdown(&i915->drm); + + acpi_video_unregister(); + intel_opregion_unregister(i915); +} + #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) struct intel_display_error_state { |