drm/modes: Add a switch to differentiate free standing options

[linux-2.6-block.git] / drivers / gpu / drm / drm_modes.c

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index b0369e690f36cf67a9d60eac23f7b767dbb66074..3d10425f6b181506d1c4327ce5a7112f25f34d26 100644 (file)
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1454,6 +1454,7 @@ static int drm_mode_parse_cmdline_refresh(const char *str, char **end_ptr,
 }
 
 static int drm_mode_parse_cmdline_extra(const char *str, int length,
+                                       bool freestanding,
                                        const struct drm_connector *connector,
                                        struct drm_cmdline_mode *mode)
 {
@@ -1462,9 +1463,15 @@ static int drm_mode_parse_cmdline_extra(const char *str, int length,
        for (i = 0; i < length; i++) {
                switch (str[i]) {
                case 'i':
+                       if (freestanding)
+                               return -EINVAL;
+
                        mode->interlace = true;
                        break;
                case 'm':
+                       if (freestanding)
+                               return -EINVAL;
+
                        mode->margins = true;
                        break;
                case 'D':
@@ -1542,6 +1549,7 @@ static int drm_mode_parse_cmdline_res_mode(const char *str, unsigned int length,
                        if (extras) {
                                int ret = drm_mode_parse_cmdline_extra(end_ptr + i,
                                                                       1,
+                                                                      false,
                                                                       connector,
                                                                       mode);
                                if (ret)
@@ -1811,7 +1819,7 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option,
            extra_ptr != options_ptr) {
                int len = strlen(name) - (extra_ptr - name);
 
-               ret = drm_mode_parse_cmdline_extra(extra_ptr, len,
+               ret = drm_mode_parse_cmdline_extra(extra_ptr, len, false,
                                                   connector, mode);
                if (ret)
                        return false;