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-rw-r--r--drivers/gpu/drm/panel/panel-simple.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index a12dfe8b8d90..9be050ab372f 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -189,6 +189,8 @@ struct panel_simple {
struct gpio_desc *enable_gpio;
struct gpio_desc *hpd_gpio;
+ struct edid *edid;
+
struct drm_display_mode override_mode;
enum drm_panel_orientation orientation;
@@ -345,6 +347,9 @@ static int panel_simple_suspend(struct device *dev)
regulator_disable(p->supply);
p->unprepared_time = ktime_get();
+ kfree(p->edid);
+ p->edid = NULL;
+
return 0;
}
@@ -510,15 +515,13 @@ static int panel_simple_get_modes(struct drm_panel *panel,
/* probe EDID if a DDC bus is available */
if (p->ddc) {
- struct edid *edid;
-
pm_runtime_get_sync(panel->dev);
- edid = drm_get_edid(connector, p->ddc);
- if (edid) {
- num += drm_add_edid_modes(connector, edid);
- kfree(edid);
- }
+ if (!p->edid)
+ p->edid = drm_get_edid(connector, p->ddc);
+
+ if (p->edid)
+ num += drm_add_edid_modes(connector, p->edid);
pm_runtime_mark_last_busy(panel->dev);
pm_runtime_put_autosuspend(panel->dev);