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From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Marek Vasut <marex@denx.de>,
	Andrzej Hajda <andrzej.hajda@intel.com>,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	 Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	 Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	 Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	 David Airlie <airlied@gmail.com>,
	Simona Vetter <simona@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	 Dave Stevenson <dave.stevenson@raspberrypi.com>,
	 Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Subject: [PATCH v4 01/13] drm/bridge: tc358762: Clean up register defines
Date: Mon, 07 Sep 2026 14:27:56 +0300	[thread overview]
Message-ID: <20260907-tc358762-fixes-v4-1-e3fc3ab5cd83@ideasonboard.com> (raw)
In-Reply-To: <20260907-tc358762-fixes-v4-0-e3fc3ab5cd83@ideasonboard.com>

Move the defines around and rename for clarity and consistency. No
functional change.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/gpu/drm/bridge/tc358762.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 6aa93b3274dd..dc20f253c7ad 100644
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -28,17 +28,22 @@
 
 /* PPI layer registers */
 #define PPI_STARTPPI		0x0104 /* START control bit */
+#define PPI_STARTPPI_STARTPPI	BIT(0)
+
 #define PPI_LPTXTIMECNT		0x0114 /* LPTX timing signal */
 #define PPI_D0S_ATMR		0x0144
 #define PPI_D1S_ATMR		0x0148
 #define PPI_D0S_CLRSIPOCOUNT	0x0164 /* Assertion timer for Lane 0 */
 #define PPI_D1S_CLRSIPOCOUNT	0x0168 /* Assertion timer for Lane 1 */
-#define PPI_START_FUNCTION	1
 
 /* DSI layer registers */
 #define DSI_STARTDSI		0x0204 /* START control bit of DSI-TX */
+#define DSI_STARTDSI_STARTDSI	BIT(0)
+
 #define DSI_LANEENABLE		0x0210 /* Enables each lane */
-#define DSI_RX_START		1
+#define DSI_LANEENABLE_CLEN	BIT(0)
+#define DSI_LANEENABLE_L0EN	BIT(1)
+#define DSI_LANEENABLE_L1EN	BIT(2)
 
 /* LCDC/DPI Host Registers, based on guesswork that this matches TC358764 */
 #define LCDCTRL			0x0420 /* Video Path Control */
@@ -59,14 +64,8 @@
 /* System Controller Registers */
 #define SYSCTRL			0x0464
 
-/* System registers */
 #define LPX_PERIOD		3
 
-/* Lane enable PPI and DSI register bits */
-#define LANEENABLE_CLEN		BIT(0)
-#define LANEENABLE_L0EN		BIT(1)
-#define LANEENABLE_L1EN		BIT(2)
-
 struct tc358762 {
 	struct device *dev;
 	struct drm_bridge bridge;
@@ -117,7 +116,7 @@ static int tc358762_init(struct tc358762 *ctx)
 	u32 lcdctrl;
 
 	tc358762_write(ctx, DSI_LANEENABLE,
-		       LANEENABLE_L0EN | LANEENABLE_CLEN);
+		       DSI_LANEENABLE_L0EN | DSI_LANEENABLE_CLEN);
 	tc358762_write(ctx, PPI_D0S_CLRSIPOCOUNT, 5);
 	tc358762_write(ctx, PPI_D1S_CLRSIPOCOUNT, 5);
 	tc358762_write(ctx, PPI_D0S_ATMR, 0);
@@ -140,8 +139,8 @@ static int tc358762_init(struct tc358762 *ctx)
 	tc358762_write(ctx, SYSCTRL, 0x040f);
 	msleep(100);
 
-	tc358762_write(ctx, PPI_STARTPPI, PPI_START_FUNCTION);
-	tc358762_write(ctx, DSI_STARTDSI, DSI_RX_START);
+	tc358762_write(ctx, PPI_STARTPPI, PPI_STARTPPI_STARTPPI);
+	tc358762_write(ctx, DSI_STARTDSI, DSI_STARTDSI_STARTDSI);
 
 	msleep(100);
 

-- 
2.43.0


  reply	other threads:[~2026-09-07 11:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-07 11:27 [PATCH v4 00/13] drm/bridge: tc358762: Various small fixes Tomi Valkeinen
2026-09-07 11:27 ` Tomi Valkeinen [this message]
2026-09-07 11:27 ` [PATCH v4 02/13] drm/bridge: tc358762: Improve SYSCTRL register defines Tomi Valkeinen
2026-09-07 11:27 ` [PATCH v4 03/13] drm/bridge: tc358762: Improve LCDCTRL defines Tomi Valkeinen
2026-09-07 11:27 ` [PATCH v4 04/13] drm/bridge: tc358762: Configure SYSCTRL first Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 05/13] drm/bridge: tc358762: Drop SPICMR write Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 06/13] drm/bridge: tc358762: Improve DPI enable handling Tomi Valkeinen
2026-09-07 11:36   ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 07/13] drm/bridge: tc358762: Update comment about the number of lanes Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 08/13] drm/bridge: tc358762: Support VTG Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 09/13] drm/bridge: tc358762: Fix sync polarities Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 10/13] drm/bridge: tc358762: Move tc358762_init() into tc358762_enable() Tomi Valkeinen
2026-09-07 11:38   ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 11/13] drm/bridge: tc358762: Drop drm_bridge_funcs.mode_set Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 12/13] drm/bridge: tc358762: Set DE_POL and DCLK_POL properly Tomi Valkeinen
2026-09-07 11:44   ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 13/13] drm/panel-simple: Fix powertip,ph800480t013-idf02 timings Tomi Valkeinen
2026-09-10 12:20 ` [PATCH v4 00/13] drm/bridge: tc358762: Various small fixes Andreas Kemnade

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