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drm/radeon: Fix WARN_ON if DRM_DP_AUX_CHARDEV is enabled

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Rafael Antognolli's new DRM_DP_AUX_CHARDEV feature causes a WARN_ON
if drm_dp_aux->dev == drm_connector->kdev and drm_dp_aux_unregister()
is called after drm_connector_unregister(). radeon is the only driver
affected by this besides i915. (amdgpu calls drm_dp_aux_unregister()
before drm_connector_unregister().)

Cc: Rafael Antognolli <rafael.antognolli@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lukas Wunner 2016-01-21 15:10:21 -08:00 committed by Alex Deucher
parent 549300ceae
commit 477d9f0ea6
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/radeon/radeon_display.c
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@ -1686,6 +1686,9 @@ void radeon_modeset_fini(struct radeon_device *rdev)
radeon_fbdev_fini(rdev);
kfree(rdev->mode_info.bios_hardcoded_edid);
/* free i2c buses */
radeon_i2c_fini(rdev);
if (rdev->mode_info.mode_config_initialized) {
radeon_afmt_fini(rdev);
drm_kms_helper_poll_fini(rdev->ddev);
@ -1693,8 +1696,6 @@ void radeon_modeset_fini(struct radeon_device *rdev)
drm_mode_config_cleanup(rdev->ddev);
rdev->mode_info.mode_config_initialized = false;
}
/* free i2c buses */
radeon_i2c_fini(rdev);
}
static bool is_hdtv_mode(const struct drm_display_mode *mode)