Merge tag 'drm-misc-next-2024-06-13' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for 6.11:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
 - Sprinkle MODULE_DESCRIPTIONS everywhere they are missing
 - bridge: Remove drm_bridge_chain_mode_fixup
 - ci: Require a more recent version of mesa, improve farm estup and
   test generation
 - mipi-dbi: Remove mipi_dbi_machine_little_endian, make SPI bits per
   word configurable, support RGB888, and allow pixel formats to be
   specified in the DT.
 - mm: Remove drm_mm_replace_node
 - panic: Allow to dump kmsg to the screen
 - print: Add a drm prefix to warn level messages too, remove
   ___drm_dbg, consolidate prefix handling

Driver Changes:
 - sun4i: Rework the blender setup for DE2
 - bridges:
   - bridge-connector: Plumb in the new HDMI helpers
   - samsung-dsim: Fix timings calculation
   - tc358767: Plenty of small fixes
 - panels:
   - More cleanup of prepare / enable state tracking in drivers
   - New panel: PrimeView PM070WL4,

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613-cicada-of-infinite-unity-0955ca@houat

1 files changed, 1 insertions, 40 deletions

diff --git a/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c b/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c
index 493e0504f6f7..dbea84f51514 100644
--- a/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c
+++ b/drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c
@@ -21,9 +21,6 @@ struct osd101t2587_panel {
 
 	struct regulator *supply;
 
-	bool prepared;
-	bool enabled;
-
 	const struct drm_display_mode *default_mode;
 };
 
@@ -37,13 +34,8 @@ static int osd101t2587_panel_disable(struct drm_panel *panel)
 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
 	int ret;
 
-	if (!osd101t2587->enabled)
-		return 0;
-
 	ret = mipi_dsi_shutdown_peripheral(osd101t2587->dsi);
 
-	osd101t2587->enabled = false;
-
 	return ret;
 }
 
@@ -51,11 +43,7 @@ static int osd101t2587_panel_unprepare(struct drm_panel *panel)
 {
 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
 
-	if (!osd101t2587->prepared)
-		return 0;
-
 	regulator_disable(osd101t2587->supply);
-	osd101t2587->prepared = false;
 
 	return 0;
 }
@@ -63,16 +51,8 @@ static int osd101t2587_panel_unprepare(struct drm_panel *panel)
 static int osd101t2587_panel_prepare(struct drm_panel *panel)
 {
 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
-	int ret;
 
-	if (osd101t2587->prepared)
-		return 0;
-
-	ret = regulator_enable(osd101t2587->supply);
-	if (!ret)
-		osd101t2587->prepared = true;
-
-	return ret;
+	return regulator_enable(osd101t2587->supply);
 }
 
 static int osd101t2587_panel_enable(struct drm_panel *panel)
@@ -80,15 +60,10 @@ static int osd101t2587_panel_enable(struct drm_panel *panel)
 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
 	int ret;
 
-	if (osd101t2587->enabled)
-		return 0;
-
 	ret = mipi_dsi_turn_on_peripheral(osd101t2587->dsi);
 	if (ret)
 		return ret;
 
-	osd101t2587->enabled = true;
-
 	return ret;
 }
 
@@ -211,11 +186,6 @@ static void osd101t2587_panel_remove(struct mipi_dsi_device *dsi)
 	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
 	int ret;
 
-	ret = drm_panel_disable(&osd101t2587->base);
-	if (ret < 0)
-		dev_warn(&dsi->dev, "failed to disable panel: %d\n", ret);
-
-	drm_panel_unprepare(&osd101t2587->base);
 	drm_panel_remove(&osd101t2587->base);
 
 	ret = mipi_dsi_detach(dsi);
@@ -223,14 +193,6 @@ static void osd101t2587_panel_remove(struct mipi_dsi_device *dsi)
 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
 }
 
-static void osd101t2587_panel_shutdown(struct mipi_dsi_device *dsi)
-{
-	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
-
-	drm_panel_disable(&osd101t2587->base);
-	drm_panel_unprepare(&osd101t2587->base);
-}
-
 static struct mipi_dsi_driver osd101t2587_panel_driver = {
 	.driver = {
 		.name = "panel-osd-osd101t2587-53ts",
@@ -238,7 +200,6 @@ static struct mipi_dsi_driver osd101t2587_panel_driver = {
 	},
 	.probe = osd101t2587_panel_probe,
 	.remove = osd101t2587_panel_remove,
-	.shutdown = osd101t2587_panel_shutdown,
 };
 module_mipi_dsi_driver(osd101t2587_panel_driver);