Am Donnerstag, 24. Juni 2021, 20:26:01 CEST schrieb Ezequiel Garcia:
Parse the device tree rotation specifier, and set a DRM connector orientation property. The property can then be read by compositors to apply hardware plane rotation or a GPU transform.
Signed-off-by: Ezequiel Garcia ezequiel@collabora.com
similar patch already applied for 5.14: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/d...
drivers/gpu/drm/panel/panel-elida-kd35t133.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c index fe5ac3ef9018..5987d28c874c 100644 --- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c +++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c @@ -39,6 +39,7 @@ struct kd35t133 { struct device *dev; struct drm_panel panel;
- enum drm_panel_orientation orientation; struct gpio_desc *reset_gpio; struct regulator *vdd; struct regulator *iovcc;
@@ -216,6 +217,7 @@ static int kd35t133_get_modes(struct drm_panel *panel, connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; drm_mode_probed_add(connector, mode);
drm_connector_set_panel_orientation(connector, ctx->orientation);
return 1;
} @@ -258,6 +260,12 @@ static int kd35t133_probe(struct mipi_dsi_device *dsi) return ret; }
ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
if (ret) {
dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);return ret;}
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dev = dev;