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authorDave Airlie <airlied@redhat.com>2015-09-14 03:28:34 +0300
committerDave Airlie <airlied@redhat.com>2015-09-24 01:08:17 +0300
commit69e5d3f893e19613486f300fd6e631810338aa4b (patch)
tree66e3e5d668b589c4ddd24f4888f9d7a256e04ee3 /drivers/gpu/drm
parent1f93e4a96c9109378204c147b3eec0d0e8100fde (diff)
downloadlinux-69e5d3f893e19613486f300fd6e631810338aa4b.tar.xz
drm/qxl: only report first monitor as connected if we have no state
If the server isn't new enough to give us state, report the first monitor as always connected, otherwise believe the server side. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/qxl/qxl_display.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 7c6225c84ba6..dd845f82cc24 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -886,13 +886,15 @@ static enum drm_connector_status qxl_conn_detect(
drm_connector_to_qxl_output(connector);
struct drm_device *ddev = connector->dev;
struct qxl_device *qdev = ddev->dev_private;
- int connected;
+ bool connected = false;
/* The first monitor is always connected */
- connected = (output->index == 0) ||
- (qdev->client_monitors_config &&
- qdev->client_monitors_config->count > output->index &&
- qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
+ if (!qdev->client_monitors_config) {
+ if (output->index == 0)
+ connected = true;
+ } else
+ connected = qdev->client_monitors_config->count > output->index &&
+ qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
DRM_DEBUG("#%d connected: %d\n", output->index, connected);
if (!connected)