We'll need to propagate drm_edid everywhere.
v2: Drop incorrect NULL name check (Dan Carpenter)
Signed-off-by: Jani Nikula jani.nikula@intel.com --- drivers/gpu/drm/drm_edid.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index b8deced8de01..4fd2ee976d39 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4812,15 +4812,15 @@ monitor_name(const struct detailed_timing *timing, void *data) *res = timing->data.other_data.data.str.str; }
-static int get_monitor_name(const struct edid *edid, char name[13]) +static int get_monitor_name(const struct drm_edid *drm_edid, char name[13]) { const char *edid_name = NULL; int mnl;
- if (!edid || !name) + if (!drm_edid || !name) return 0;
- drm_for_each_detailed_block(edid, monitor_name, &edid_name); + drm_for_each_detailed_block(drm_edid->edid, monitor_name, &edid_name); for (mnl = 0; edid_name && mnl < 13; mnl++) { if (edid_name[mnl] == 0x0a) break; @@ -4840,14 +4840,22 @@ static int get_monitor_name(const struct edid *edid, char name[13]) */ void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize) { - int name_length; - char buf[13]; + int name_length = 0;
if (bufsize <= 0) return;
- name_length = min(get_monitor_name(edid, buf), bufsize - 1); - memcpy(name, buf, name_length); + if (edid) { + char buf[13]; + struct drm_edid drm_edid = { + .edid = edid, + .size = edid_size(edid), + }; + + name_length = min(get_monitor_name(&drm_edid, buf), bufsize - 1); + memcpy(name, buf, name_length); + } + name[name_length] = '\0'; } EXPORT_SYMBOL(drm_edid_get_monitor_name); @@ -4887,7 +4895,7 @@ static void drm_edid_to_eld(struct drm_connector *connector, if (!drm_edid) return;
- mnl = get_monitor_name(drm_edid->edid, &eld[DRM_ELD_MONITOR_NAME_STRING]); + mnl = get_monitor_name(drm_edid, &eld[DRM_ELD_MONITOR_NAME_STRING]); DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
eld[DRM_ELD_CEA_EDID_VER_MNL] = info->cea_rev << DRM_ELD_CEA_EDID_VER_SHIFT;