On Mon, Jun 29, 2026 at 02:44:57PM +0200, Thomas Zimmermann wrote:
> Hi
> 
> Am 29.06.26 um 14:27 schrieb Thierry Reding:
> > On Thu, Jun 25, 2026 at 11:39:38AM +0200, Thomas Zimmermann wrote:
> > > Implement drm_of_get_panel_orientation() to retrieve a panel's
> > > rotation property as enum drm_panel_orientation. The code has
> > > been taken from of_drm_get_panel_orientation(), so convert that
> > > helper over. Callers of the old helper can be converted as well.
> > > 
> > > Signed-off-by: Thomas Zimmermann <[email protected]>
> > > ---
> > >   drivers/gpu/drm/drm_of.c    | 44 +++++++++++++++++++++++++++++++++++++
> > >   drivers/gpu/drm/drm_panel.c | 26 ++--------------------
> > >   include/drm/drm_of.h        | 11 ++++++++++
> > >   3 files changed, 57 insertions(+), 24 deletions(-)
> > So you're effectively renaming of_drm_get_panel_orientation() to
> > drm_of_get_panel_orientation(), while moving it to drm_of.c,  and then
> > you keep of_drm_get_panel_orientation() as an alias.
> > 
> > I don't understand the use of this. Maybe if we really need to move this
> > out of drm_panel.c to make it more widely available, fine. Maybe we also
> > want the drm_of_ prefix instead of of_drm_, also fine, I suppose. But in
> > that case we should just go ahead and update all callers of the old
> > helper and get rid of it while we're at it. No use in keeping around
> > aliases/duplicates.
> 
> I'm all for it. i though this would be a different issue.
> 
> > 
> > I've attached a patch to do just that. Feel free to integrate it into
> > the series, or we can apply after your series is merged.
> 
> Thanks.
> 
> Let me split of theĀ  first 5 patches in series and merge them. They are the
> fixes and hardening patches and seem ready to be merged. I'll prepare a
> separate series for the panel orientation with your changes and it can go in
> separately. If we touch all the panel drivers, we should make sure that the
> panel maintainers get another chance of looking over it.

Here's the updated patch with all the modified drivers build-tested and
checked that the build covers all of them.

Thierry
From 31901850ebf521afc0b24bc90e97dd4af660df9b Mon Sep 17 00:00:00 2001
From: Thierry Reding <[email protected]>
Date: Mon, 29 Jun 2026 14:23:27 +0200
Subject: [PATCH v2] drm/panel: Use drm_of_get_panel_orientation()

The old of_drm_get_panel_orientation() function was replaced by the
drm_of_get_panel_orientation() in the core DRM OF helpers. Replace all
uses of the old helper and remove it.

Changes in v2:
- include drm_of.h in all drivers to make sure the new symbol is defined

Signed-off-by: Thierry Reding <[email protected]>
---
 drivers/gpu/drm/drm_panel.c                   | 20 -------------------
 .../drm/panel/panel-boe-th101mb31ig002-28a.c  |  3 ++-
 .../gpu/drm/panel/panel-boe-tv101wum-nl6.c    |  3 ++-
 .../gpu/drm/panel/panel-chipwealth-ch13726a.c |  3 ++-
 drivers/gpu/drm/panel/panel-edp.c             |  3 ++-
 drivers/gpu/drm/panel/panel-elida-kd35t133.c  |  3 ++-
 .../gpu/drm/panel/panel-focaltech-ota7290b.c  |  3 ++-
 drivers/gpu/drm/panel/panel-himax-hx83102.c   |  3 ++-
 drivers/gpu/drm/panel/panel-himax-hx8394.c    |  3 ++-
 .../gpu/drm/panel/panel-ilitek-ili9806e-dsi.c |  3 ++-
 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c |  3 ++-
 drivers/gpu/drm/panel/panel-ilitek-ili9882t.c |  3 ++-
 .../gpu/drm/panel/panel-jadard-jd9365da-h3.c  |  2 +-
 drivers/gpu/drm/panel/panel-lvds.c            |  2 +-
 drivers/gpu/drm/panel/panel-novatek-nt36523.c |  3 ++-
 drivers/gpu/drm/panel/panel-simple.c          |  2 +-
 drivers/gpu/drm/panel/panel-sitronix-st7701.c |  3 ++-
 drivers/gpu/drm/panel/panel-sitronix-st7703.c |  3 ++-
 .../gpu/drm/panel/panel-sitronix-st7789v.c    |  3 ++-
 include/drm/drm_panel.h                       |  8 --------
 20 files changed, 33 insertions(+), 46 deletions(-)

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index eddd13a34c03..d7c6f4824b2d 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -492,26 +492,6 @@ struct drm_panel *of_drm_find_panel(const struct 
device_node *np)
        return ERR_PTR(-EPROBE_DEFER);
 }
 EXPORT_SYMBOL(of_drm_find_panel);
-
-/**
- * of_drm_get_panel_orientation - look up the orientation of the panel through
- * the "rotation" binding from a device tree node
- * @np: device tree node of the panel
- * @orientation: orientation enum to be filled in
- *
- * Looks up the rotation of a panel in the device tree. The orientation of the
- * panel is expressed as a property name "rotation" in the device tree. The
- * rotation in the device tree is counter clockwise.
- *
- * Return: 0 when a valid rotation value (0, 90, 180, or 270) is read or the
- * rotation property doesn't exist. Return a negative error code on failure.
- */
-int of_drm_get_panel_orientation(const struct device_node *np,
-                                enum drm_panel_orientation *orientation)
-{
-       return drm_of_get_panel_orientation(np, orientation);
-}
-EXPORT_SYMBOL(of_drm_get_panel_orientation);
 #endif
 
 /* Find panel by fwnode. This should be identical to of_drm_find_panel(). */
diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c 
b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 01b4458e55ad..a70a2e58f88c 100644
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -15,6 +15,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_probe_helper.h>
 
@@ -380,7 +381,7 @@ static int boe_th101mb31ig002_dsi_probe(struct 
mipi_dsi_device *dsi)
                return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
                                     "Failed to get reset GPIO\n");
 
-       ret = of_drm_get_panel_orientation(dsi->dev.of_node,
+       ret = drm_of_get_panel_orientation(dsi->dev.of_node,
                                           &ctx->orientation);
        if (ret)
                return dev_err_probe(&dsi->dev, ret,
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c 
b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index 658ce64c71eb..150dff3ab6c3 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -13,6 +13,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <video/mipi_display.h>
@@ -1722,7 +1723,7 @@ static int boe_panel_add(struct boe_panel *boe)
 
        boe->base.prepare_prev_first = true;
 
-       err = of_drm_get_panel_orientation(dev->of_node, &boe->orientation);
+       err = drm_of_get_panel_orientation(dev->of_node, &boe->orientation);
        if (err < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, err);
                return err;
diff --git a/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c 
b/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c
index be76bc825c3f..562dc573528d 100644
--- a/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c
+++ b/drivers/gpu/drm/panel/panel-chipwealth-ch13726a.c
@@ -13,6 +13,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <video/mipi_display.h>
@@ -268,7 +269,7 @@ static int ch13726a_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
                                     "Failed to get reset-gpios\n");
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (ret < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, ret);
                return ret;
diff --git a/drivers/gpu/drm/panel/panel-edp.c 
b/drivers/gpu/drm/panel/panel-edp.c
index aa27d6cd932e..3d3865329ece 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -40,6 +40,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_device.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 /**
@@ -865,7 +866,7 @@ static int panel_edp_probe(struct device *dev, const struct 
panel_desc *desc,
                return dev_err_probe(dev, PTR_ERR(panel->enable_gpio),
                                     "failed to request GPIO\n");
 
-       err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation);
+       err = drm_of_get_panel_orientation(dev->of_node, &panel->orientation);
        if (err) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, err);
                return err;
diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c 
b/drivers/gpu/drm/panel/panel-elida-kd35t133.c
index 1f177834d629..d23002b5a2d7 100644
--- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c
+++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c
@@ -21,6 +21,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 /* Manufacturer specific Commands send via DSI */
@@ -233,7 +234,7 @@ static int kd35t133_probe(struct mipi_dsi_device *dsi)
                return ret;
        }
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (ret < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, ret);
                return ret;
diff --git a/drivers/gpu/drm/panel/panel-focaltech-ota7290b.c 
b/drivers/gpu/drm/panel/panel-focaltech-ota7290b.c
index ed02a8daf96f..bbc870b8fda8 100644
--- a/drivers/gpu/drm/panel/panel-focaltech-ota7290b.c
+++ b/drivers/gpu/drm/panel/panel-focaltech-ota7290b.c
@@ -17,6 +17,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_probe_helper.h>
 
@@ -181,7 +182,7 @@ static int ota7290b_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(&dsi->dev, PTR_ERR(ctx->vdd),
                                        "Couldn't get our VDD supply\n");
 
-       ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
        if (ret) {
                dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n",
                        dsi->dev.of_node, ret);
diff --git a/drivers/gpu/drm/panel/panel-himax-hx83102.c 
b/drivers/gpu/drm/panel/panel-himax-hx83102.c
index d7e5664a5838..6a0851ccf9bb 100644
--- a/drivers/gpu/drm/panel/panel-himax-hx83102.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx83102.c
@@ -17,6 +17,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <video/mipi_display.h>
@@ -1264,7 +1265,7 @@ static int hx83102_panel_add(struct hx83102 *ctx)
 
        ctx->base.prepare_prev_first = true;
 
-       err = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+       err = drm_of_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (err < 0)
                return dev_err_probe(dev, err, "failed to get orientation\n");
 
diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c 
b/drivers/gpu/drm/panel/panel-himax-hx8394.c
index bf80354567df..b57ccce38cf8 100644
--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c
@@ -22,6 +22,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #define DRV_NAME "panel-himax-hx8394"
@@ -992,7 +993,7 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
                                     "Failed to get reset gpio\n");
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (ret < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, ret);
                return ret;
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c 
b/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c
index ecdbed8d4a3a..47b79fac1562 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c
@@ -10,6 +10,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_probe_helper.h>
 
@@ -132,7 +133,7 @@ static int ili9806e_dsi_probe(struct mipi_dsi_device *dsi)
        dsi->format = ctx->desc->format;
        dsi->lanes = ctx->desc->lanes;
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (ret)
                return dev_err_probe(dev, ret, "Failed to get orientation\n");
 
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c 
b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 0652cdb57d11..3abdd0870e83 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -16,6 +16,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <video/mipi_display.h>
@@ -2571,7 +2572,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
                                     "Couldn't get our reset GPIO\n");
 
-       ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
        if (ret) {
                dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n",
                        dsi->dev.of_node, ret);
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c 
b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
index 5f4e0d82ee67..6d07fe901357 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
@@ -13,6 +13,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <video/mipi_display.h>
@@ -795,7 +796,7 @@ static int ili9882t_add(struct ili9882t *ili)
 
        gpiod_set_value_cansleep(ili->enable_gpio, 0);
 
-       err = of_drm_get_panel_orientation(dev->of_node, &ili->orientation);
+       err = drm_of_get_panel_orientation(dev->of_node, &ili->orientation);
        if (err < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, err);
                return err;
diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c 
b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
index f6b04de1182e..67ef9e0fea03 100644
--- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
+++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
@@ -2992,7 +2992,7 @@ static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(&dsi->dev, PTR_ERR(jadard->vccio),
                                "failed to get vccio regulator\n");
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &jadard->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &jadard->orientation);
        if (ret < 0)
                return dev_err_probe(dev, ret, "failed to get orientation\n");
 
diff --git a/drivers/gpu/drm/panel/panel-lvds.c 
b/drivers/gpu/drm/panel/panel-lvds.c
index 46b07f38559f..37f7498449ec 100644
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -126,7 +126,7 @@ static int panel_lvds_parse_dt(struct panel_lvds *lvds)
        struct device_node *np = lvds->dev->of_node;
        int ret;
 
-       ret = of_drm_get_panel_orientation(np, &lvds->orientation);
+       ret = drm_of_get_panel_orientation(np, &lvds->orientation);
        if (ret < 0) {
                dev_err(lvds->dev, "%pOF: failed to get orientation %d\n", np, 
ret);
                return ret;
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c 
b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
index 226d91daf8c7..34b9123d3fd7 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36523.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -19,6 +19,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #define DSI_NUM_MIN 1
@@ -1206,7 +1207,7 @@ static int nt36523_probe(struct mipi_dsi_device *dsi)
        pinfo->dsi[0] = dsi;
        mipi_dsi_set_drvdata(dsi, pinfo);
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &pinfo->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &pinfo->orientation);
        if (ret < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, ret);
                return ret;
diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index c09bf3db5e78..5c169fdf265c 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -693,7 +693,7 @@ static struct panel_simple *panel_simple_probe(struct 
device *dev)
                return dev_err_cast_probe(dev, panel->enable_gpio,
                                          "failed to request GPIO\n");
 
-       err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation);
+       err = drm_of_get_panel_orientation(dev->of_node, &panel->orientation);
        if (err) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", 
dev->of_node, err);
                return ERR_PTR(err);
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c 
b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
index 2f79ec4a2063..f16e0de1ea60 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
@@ -7,6 +7,7 @@
 #include <drm/drm_mipi_dbi.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #include <linux/bitfield.h>
@@ -1296,7 +1297,7 @@ static int st7701_probe(struct device *dev, int 
connector_type)
                return PTR_ERR(st7701->reset);
        }
 
-       ret = of_drm_get_panel_orientation(dev->of_node, &st7701->orientation);
+       ret = drm_of_get_panel_orientation(dev->of_node, &st7701->orientation);
        if (ret < 0)
                return dev_err_probe(dev, ret, "Failed to get orientation\n");
 
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c 
b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 6c348fe28955..9916036630b7 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -21,6 +21,7 @@
 
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #define DRV_NAME "panel-sitronix-st7703"
@@ -874,7 +875,7 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
                                     "Failed to request iovcc regulator\n");
 
-       ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(dsi->dev.of_node, &ctx->orientation);
        if (ret < 0)
                return dev_err_probe(&dsi->dev, ret, "Failed to get 
orientation\n");
 
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c 
b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index d5f821d6b23c..da6ed31d151e 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -14,6 +14,7 @@
 
 #include <drm/drm_device.h>
 #include <drm/drm_modes.h>
+#include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
 #define ST7789V_RAMCTRL_CMD            0xb0
@@ -646,7 +647,7 @@ static int st7789v_probe(struct spi_device *spi)
        if (ret)
                return dev_err_probe(dev, ret, "Failed to get backlight\n");
 
-       ret = of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
+       ret = drm_of_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
        if (ret)
                return dev_err_probe(&spi->dev, ret, "Failed to get 
orientation\n");
 
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 86b3f9c65c92..b87323443f49 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -337,19 +337,11 @@ int drm_panel_get_modes(struct drm_panel *panel, struct 
drm_connector *connector
 
 #if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL)
 struct drm_panel *of_drm_find_panel(const struct device_node *np);
-int of_drm_get_panel_orientation(const struct device_node *np,
-                                enum drm_panel_orientation *orientation);
 #else
 static inline struct drm_panel *of_drm_find_panel(const struct device_node *np)
 {
        return ERR_PTR(-ENODEV);
 }
-
-static inline int of_drm_get_panel_orientation(const struct device_node *np,
-                                              enum drm_panel_orientation 
*orientation)
-{
-       return -ENODEV;
-}
 #endif
 
 #if defined(CONFIG_DRM_PANEL)
-- 
2.54.0

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