drm/radeon/kms: get HPD info for connectors
This populates the connectors with HPD (Hot Plug Detect)
information. This will be used in subsequent patches
for automatic digital monitor connect/disconnect handling.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 62c929e..d4f4fb1 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -250,6 +250,16 @@
"HDMI-B",
};
+static const char *hpd_names[7] = {
+ "NONE",
+ "HPD1",
+ "HPD2",
+ "HPD3",
+ "HPD4",
+ "HPD5",
+ "HPD6",
+};
+
static void radeon_print_display_setup(struct drm_device *dev)
{
struct drm_connector *connector;
@@ -264,6 +274,8 @@
radeon_connector = to_radeon_connector(connector);
DRM_INFO("Connector %d:\n", i);
DRM_INFO(" %s\n", connector_names[connector->connector_type]);
+ if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
+ DRM_INFO(" %s\n", hpd_names[radeon_connector->hpd.hpd]);
if (radeon_connector->ddc_bus)
DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
radeon_connector->ddc_bus->rec.mask_clk_reg,