[PATCH v2 6/7] drm/ingenic: Add support for 30-bit modes

[Paul Cercueil]

Starting from the JZ4760 SoC, the primary and overlay planes support
30-bit pixel modes (10 bits per color component). Add support for these
in the ingenic-drm driver.

Signed-off-by: Paul Cercueil <p...@crapouillou.net>
Acked-by: Sam Ravnborg <s...@ravnborg.org>
---
 drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 8 ++++++++
 drivers/gpu/drm/ingenic/ingenic-drm.h     | 1 +
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c 
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 48e88827f332..9e3122b42820 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -461,6 +461,9 @@ void ingenic_drm_plane_config(struct device *dev,
                case DRM_FORMAT_XRGB8888:
                        ctrl |= JZ_LCD_OSDCTRL_BPP_18_24;
                        break;
+               case DRM_FORMAT_XRGB2101010:
+                       ctrl |= JZ_LCD_OSDCTRL_BPP_30;
+                       break;
                }
 
                regmap_update_bits(priv->map, JZ_REG_LCD_OSDCTRL,
@@ -479,6 +482,9 @@ void ingenic_drm_plane_config(struct device *dev,
                case DRM_FORMAT_XRGB8888:
                        ctrl |= JZ_LCD_CTRL_BPP_18_24;
                        break;
+               case DRM_FORMAT_XRGB2101010:
+                       ctrl |= JZ_LCD_CTRL_BPP_30;
+                       break;
                }
 
                regmap_update_bits(priv->map, JZ_REG_LCD_CTRL,
@@ -1273,6 +1279,7 @@ static const u32 jz4770_formats_f1[] = {
        DRM_FORMAT_XRGB1555,
        DRM_FORMAT_RGB565,
        DRM_FORMAT_XRGB8888,
+       DRM_FORMAT_XRGB2101010,
 };
 
 static const u32 jz4770_formats_f0[] = {
@@ -1280,6 +1287,7 @@ static const u32 jz4770_formats_f0[] = {
        DRM_FORMAT_XRGB1555,
        DRM_FORMAT_RGB565,
        DRM_FORMAT_XRGB8888,
+       DRM_FORMAT_XRGB2101010,
 };
 
 static const struct jz_soc_info jz4740_soc_info = {
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.h 
b/drivers/gpu/drm/ingenic/ingenic-drm.h
index df99f0f75d39..f05e18e6b6fa 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.h
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.h
@@ -124,6 +124,7 @@
 #define JZ_LCD_CTRL_BPP_8                      0x3
 #define JZ_LCD_CTRL_BPP_15_16                  0x4
 #define JZ_LCD_CTRL_BPP_18_24                  0x5
+#define JZ_LCD_CTRL_BPP_30                     0x7
 #define JZ_LCD_CTRL_BPP_MASK                   (JZ_LCD_CTRL_RGB555 | 0x7)
 
 #define JZ_LCD_CMD_SOF_IRQ                     BIT(31)
-- 
2.28.0