drm/dp: add a hw mutex around the transfer functions. (v2)
This should avoid races between connector probing and HPD
irqs in the future, currently mode_config.mutex blocks this
possibility.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 225f6c6..a54c441 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -222,11 +222,12 @@
radeon_connector->ddc_bus->rec.hpd = radeon_connector->hpd.hpd;
radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer;
- ret = drm_dp_aux_register_i2c_bus(&radeon_connector->ddc_bus->aux);
+
+ ret = drm_dp_aux_register(&radeon_connector->ddc_bus->aux);
if (!ret)
radeon_connector->ddc_bus->has_aux = true;
- WARN(ret, "drm_dp_aux_register_i2c_bus() failed with error %d\n", ret);
+ WARN(ret, "drm_dp_aux_register() failed with error %d\n", ret);
}
/***** general DP utility functions *****/