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path: root/drivers/gpu/drm/gma500/psb_intel_sdvo.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/psb_intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/gma500/psb_intel_sdvo.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index f2ee6aa10afa..dd3cec0e3190 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -429,13 +429,20 @@ static const char *cmd_status_names[] = {
"Scaling not supported"
};
+#define MAX_ARG_LEN 32
+
static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
const void *args, int args_len)
{
- u8 buf[args_len*2 + 2], status;
- struct i2c_msg msgs[args_len + 3];
+ u8 buf[MAX_ARG_LEN*2 + 2], status;
+ struct i2c_msg msgs[MAX_ARG_LEN + 3];
int i, ret;
+ if (args_len > MAX_ARG_LEN) {
+ DRM_ERROR("Need to increase arg length\n");
+ return false;
+ }
+
psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
for (i = 0; i < args_len; i++) {
@@ -1465,7 +1472,7 @@ static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector)
bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
if (connector_is_digital == monitor_is_digital) {
- drm_mode_connector_update_edid_property(connector, edid);
+ drm_connector_update_edid_property(connector, edid);
drm_add_edid_modes(connector, edid);
}