drm/radeon: avoid bouncing connector status btw disconnected & unknown

Since force handling rework of d0d0a225e6ad43314c9aa7ea081f76adc5098ad4
we could end up bouncing connector status btw disconnected and unknown.
When connector status change a call to output_poll_changed happen which
in turn ask again for detect but with force set.

So set the load detect flags whenever we report the connector as
connected or unknown this avoid bouncing btw disconnected and unknown.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index dec6cbe6a0a6a4ef5a1b59be5b63e037521870a4..ff6a2e0d9a250268948d98fb2d780b4e9689750c 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -764,7 +764,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
                if (radeon_connector->dac_load_detect && encoder) {
                        encoder_funcs = encoder->helper_private;
                        ret = encoder_funcs->detect(encoder, connector);
-                       if (ret == connector_status_connected)
+                       if (ret != connector_status_disconnected)
                                radeon_connector->detected_by_load = true;
                }
        }
@@ -1005,8 +1005,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
                                        ret = encoder_funcs->detect(encoder, connector);
                                        if (ret == connector_status_connected) {
                                                radeon_connector->use_digital = false;
-                                               radeon_connector->detected_by_load = true;
                                        }
+                                       if (ret != connector_status_disconnected)
+                                               radeon_connector->detected_by_load = true;
                                }
                                break;
                        }