Add the private data when the connector type is LVDS.
We can use the private_data to store the LVDS panel limit.
For example: Hdisplay, Vdisplay
Signed-off-by: Zhao Yakui <yakui.z...@intel.com>
---
src/drmmode_display.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
Index: xf86_video_intel/src/drmmode_display.c
===================================================================
--- xf86_video_intel.orig/src/drmmode_display.c 2009-05-26 11:12:39.000000000
+0800
+++ xf86_video_intel/src/drmmode_display.c 2009-06-08 10:00:55.000000000
+0800
@@ -58,6 +58,10 @@
Atom *atoms;
} drmmode_prop_rec, *drmmode_prop_ptr;
+struct fixed_panel_lvds {
+ int hdisplay;
+ int vdisplay;
+};
typedef struct {
drmmode_ptr drmmode;
int output_id;
@@ -66,6 +70,8 @@
drmModePropertyBlobPtr edid_blob;
int num_props;
drmmode_prop_ptr props;
+ void *private_data;
+ /* this is used to store private data */
} drmmode_output_private_rec, *drmmode_output_private_ptr;
static void
@@ -529,6 +535,10 @@
}
xfree(drmmode_output->props);
drmModeFreeConnector(drmmode_output->mode_output);
+ if (drmmode_output->private_data) {
+ xfree(drmmode_output->private_data);
+ drmmode_output->private_data = NULL;
+ }
xfree(drmmode_output);
output->driver_private = NULL;
}
@@ -792,7 +802,19 @@
drmModeFreeEncoder(kencoder);
return;
}
-
+ /*
+ * If the connector type of the output device is LVDS, we will
+ * allocate the private_data to store the panel limit.
+ * For example: hdisplay, vdisplay
+ */
+ drmmode_output->private_data = NULL;
+ if (koutput->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ drmmode_output->private_data = xcalloc(
+ sizeof(struct fixed_panel_lvds), 1);
+ if (!drmmode_output->private_data)
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Can't allocate private memory for LVDS.\n");
+ }
drmmode_output->output_id = drmmode->mode_res->connectors[num];
drmmode_output->mode_output = koutput;
drmmode_output->mode_encoder = kencoder;
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