[PATCH 3/6] drm/bridge: tc358775: Add jeida-24 support

Tony Lindgren tony at atomide.com
Sun Nov 26 17:18:37 UTC 2023


The jeida-24 register values are the default hardware settings, but they
not listed in the driver. Let's add them.

Signed-off-by: Tony Lindgren <tony at atomide.com>
---
 drivers/gpu/drm/bridge/tc358775.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -458,8 +458,18 @@ static void tc_bridge_enable(struct drm_bridge *bridge)
 	 * Default hardware register settings of tc358775 configured
 	 * with MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA jeida-24 format
 	 */
-	if (connector->display_info.bus_formats[0] ==
-		MEDIA_BUS_FMT_RGB888_1X7X4_SPWG) {
+	switch (connector->display_info.bus_formats[0]) {
+	case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
+		/* JEIDA-24 */
+		d2l_write(tc->i2c, LV_MX0003, LV_MX(LVI_R2, LVI_R3, LVI_R4, LVI_R5));
+		d2l_write(tc->i2c, LV_MX0407, LV_MX(LVI_R6, LVI_R1, LVI_R7, LVI_G2));
+		d2l_write(tc->i2c, LV_MX0811, LV_MX(LVI_G3, LVI_G4, LVI_G0, LVI_G1));
+		d2l_write(tc->i2c, LV_MX1215, LV_MX(LVI_G5, LVI_G6, LVI_G7, LVI_B2));
+		d2l_write(tc->i2c, LV_MX1619, LV_MX(LVI_B0, LVI_B1, LVI_B3, LVI_B4));
+		d2l_write(tc->i2c, LV_MX2023, LV_MX(LVI_B5, LVI_B6, LVI_B7, LVI_L0));
+		d2l_write(tc->i2c, LV_MX2427, LV_MX(LVI_HS, LVI_VS, LVI_DE, LVI_R0));
+		break;
+	case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
 		/* VESA-24 */
 		d2l_write(tc->i2c, LV_MX0003, LV_MX(LVI_R0, LVI_R1, LVI_R2, LVI_R3));
 		d2l_write(tc->i2c, LV_MX0407, LV_MX(LVI_R4, LVI_R7, LVI_R5, LVI_G0));
@@ -468,7 +478,9 @@ static void tc_bridge_enable(struct drm_bridge *bridge)
 		d2l_write(tc->i2c, LV_MX1619, LV_MX(LVI_B6, LVI_B7, LVI_B1, LVI_B2));
 		d2l_write(tc->i2c, LV_MX2023, LV_MX(LVI_B3, LVI_B4, LVI_B5, LVI_L0));
 		d2l_write(tc->i2c, LV_MX2427, LV_MX(LVI_HS, LVI_VS, LVI_DE, LVI_R6));
-	} else { /*  MEDIA_BUS_FMT_RGB666_1X7X3_SPWG - JEIDA-18 */
+		break;
+	case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
+		/* JEIDA-18 */
 		d2l_write(tc->i2c, LV_MX0003, LV_MX(LVI_R0, LVI_R1, LVI_R2, LVI_R3));
 		d2l_write(tc->i2c, LV_MX0407, LV_MX(LVI_R4, LVI_L0, LVI_R5, LVI_G0));
 		d2l_write(tc->i2c, LV_MX0811, LV_MX(LVI_G1, LVI_G2, LVI_L0, LVI_L0));
@@ -476,6 +488,9 @@ static void tc_bridge_enable(struct drm_bridge *bridge)
 		d2l_write(tc->i2c, LV_MX1619, LV_MX(LVI_L0, LVI_L0, LVI_B1, LVI_B2));
 		d2l_write(tc->i2c, LV_MX2023, LV_MX(LVI_B3, LVI_B4, LVI_B5, LVI_L0));
 		d2l_write(tc->i2c, LV_MX2427, LV_MX(LVI_HS, LVI_VS, LVI_DE, LVI_L0));
+		break;
+	default:
+		break;
 	}
 
 	d2l_write(tc->i2c, VFUEN, VFUEN_EN);
-- 
2.42.1


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