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Message-Id: <20230718-feature-st7789v-v2-2-207cb1baea0f@wolfvision.net>
Date: Thu, 03 Aug 2023 22:13:49 +0200
From: Michael Riesch <michael.riesch@...fvision.net>
To: Neil Armstrong <neil.armstrong@...aro.org>,
Sam Ravnborg <sam@...nborg.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Sebastian Reichel <sre@...nel.org>,
Gerald Loacker <gerald.loacker@...fvision.net>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH v2 2/3] drm/panel: sitronix-st7789v: add panel orientation
support
Determine the orientation of the display based on the device tree and
propagate it.
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index c7cbfe6ca82c..6575f07d49e3 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -116,6 +116,7 @@ struct st7789v {
struct spi_device *spi;
struct gpio_desc *reset;
struct regulator *power;
+ enum drm_panel_orientation orientation;
};
enum st7789v_prefix {
@@ -170,6 +171,7 @@ static const struct drm_display_mode default_mode = {
static int st7789v_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
+ struct st7789v *ctx = panel_to_st7789v(panel);
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, &default_mode);
@@ -188,9 +190,22 @@ static int st7789v_get_modes(struct drm_panel *panel,
connector->display_info.width_mm = 61;
connector->display_info.height_mm = 103;
+ /*
+ * TODO: Remove once all drm drivers call
+ * drm_connector_set_orientation_from_panel()
+ */
+ drm_connector_set_panel_orientation(connector, ctx->orientation);
+
return 1;
}
+static enum drm_panel_orientation st7789v_get_orientation(struct drm_panel *p)
+{
+ struct st7789v *ctx = panel_to_st7789v(p);
+
+ return ctx->orientation;
+}
+
static int st7789v_prepare(struct drm_panel *panel)
{
struct st7789v *ctx = panel_to_st7789v(panel);
@@ -349,6 +364,7 @@ static const struct drm_panel_funcs st7789v_drm_funcs = {
.disable = st7789v_disable,
.enable = st7789v_enable,
.get_modes = st7789v_get_modes,
+ .get_orientation = st7789v_get_orientation,
.prepare = st7789v_prepare,
.unprepare = st7789v_unprepare,
};
@@ -382,6 +398,8 @@ static int st7789v_probe(struct spi_device *spi)
if (ret)
return ret;
+ of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);
+
drm_panel_add(&ctx->panel);
return 0;
--
2.37.2
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