This reverts commit 363c4c3811db330dee9ce27dd3cee6f590d44e4c.
Since the point of this attribute is for a test, this should be done
in debugfs, not sysfs. Let's revert and a new patch can be added later
doing it in debugfs.
Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-edp.c | 39 ++++---------------------------
1 file changed, 5 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index 23da4040e263..a394a15dc3fb 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -222,8 +222,6 @@ struct panel_edp {
struct gpio_desc *enable_gpio;
struct gpio_desc *hpd_gpio;
- const struct edp_panel_entry *detected_panel;
-
struct edid *edid;
struct drm_display_mode override_mode;
@@ -668,6 +666,7 @@ static const struct edp_panel_entry *find_edp_panel(u32 panel_id);
static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
{
+ const struct edp_panel_entry *edp_panel;
struct panel_desc *desc;
u32 panel_id;
char vend[4];
@@ -706,14 +705,14 @@ static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
}
drm_edid_decode_panel_id(panel_id, vend, &product_id);
- panel->detected_panel = find_edp_panel(panel_id);
+ edp_panel = find_edp_panel(panel_id);
/*
* We're using non-optimized timings and want it really obvious that
* someone needs to add an entry to the table, so we'll do a WARN_ON
* splat.
*/
- if (WARN_ON(!panel->detected_panel)) {
+ if (WARN_ON(!edp_panel)) {
dev_warn(dev,
"Unknown panel %s %#06x, using conservative timings\n",
vend, product_id);
@@ -735,14 +734,12 @@ static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
*/
desc->delay.unprepare = 2000;
desc->delay.enable = 200;
-
- panel->detected_panel = ERR_PTR(-EINVAL);
} else {
dev_info(dev, "Detected %s %s (%#06x)\n",
- vend, panel->detected_panel->name, product_id);
+ vend, edp_panel->name, product_id);
/* Update the delay; everything else comes from EDID */
- desc->delay = *panel->detected_panel->delay;
+ desc->delay = *edp_panel->delay;
}
ret = 0;
@@ -753,28 +750,6 @@ static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
return ret;
}
-static ssize_t detected_panel_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct panel_edp *p = dev_get_drvdata(dev);
-
- if (IS_ERR(p->detected_panel))
- return sysfs_emit(buf, "UNKNOWN\n");
- else if (!p->detected_panel)
- return sysfs_emit(buf, "HARDCODED\n");
- else
- return sysfs_emit(buf, "%s\n", p->detected_panel->name);
-}
-
-static const DEVICE_ATTR_RO(detected_panel);
-
-static void edp_panel_remove_detected_panel(void *data)
-{
- struct panel_edp *p = data;
-
- device_remove_file(p->base.dev, &dev_attr_detected_panel);
-}
-
static int panel_edp_probe(struct device *dev, const struct panel_desc *desc,
struct drm_dp_aux *aux)
{
@@ -874,10 +849,6 @@ static int panel_edp_probe(struct device *dev, const struct panel_desc *desc,
drm_panel_add(&panel->base);
- err = device_create_file(dev, &dev_attr_detected_panel);
- if (!err)
- devm_add_action_or_reset(dev, edp_panel_remove_detected_panel, panel);
-
return 0;
err_finished_pm_runtime:
--
2.35.0.rc2.247.g8bbb082509-goog
