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>
---
 drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 41 +++++++++++++++++------
 drivers/gpu/drm/ingenic/ingenic-drm.h     |  1 +
 2 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c 
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 937d080f5d06..fb62869befdc 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -49,6 +49,8 @@ struct jz_soc_info {
        bool needs_dev_clk;
        bool has_osd;
        unsigned int max_width, max_height;
+       const u32 *formats;
+       unsigned int num_formats;
 };
 
 struct ingenic_drm {
@@ -73,12 +75,6 @@ struct ingenic_drm {
        bool no_vblank;
 };
 
-static const u32 ingenic_drm_primary_formats[] = {
-       DRM_FORMAT_XRGB1555,
-       DRM_FORMAT_RGB565,
-       DRM_FORMAT_XRGB8888,
-};
-
 static bool ingenic_drm_cached_gem_buf;
 module_param_named(cached_gem_buffers, ingenic_drm_cached_gem_buf, bool, 0400);
 MODULE_PARM_DESC(cached_gem_buffers,
@@ -411,6 +407,9 @@ 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,
@@ -426,6 +425,9 @@ 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,
@@ -894,8 +896,8 @@ static int ingenic_drm_bind(struct device *dev, bool 
has_components)
 
        ret = drm_universal_plane_init(drm, &priv->f1, 1,
                                       &ingenic_drm_primary_plane_funcs,
-                                      ingenic_drm_primary_formats,
-                                      ARRAY_SIZE(ingenic_drm_primary_formats),
+                                      priv->soc_info->formats,
+                                      priv->soc_info->num_formats,
                                       NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
        if (ret) {
                dev_err(dev, "Failed to register plane: %i\n", ret);
@@ -919,8 +921,8 @@ static int ingenic_drm_bind(struct device *dev, bool 
has_components)
 
                ret = drm_universal_plane_init(drm, &priv->f0, 1,
                                               &ingenic_drm_primary_plane_funcs,
-                                              ingenic_drm_primary_formats,
-                                              
ARRAY_SIZE(ingenic_drm_primary_formats),
+                                              priv->soc_info->formats,
+                                              priv->soc_info->num_formats,
                                               NULL, DRM_PLANE_TYPE_OVERLAY,
                                               NULL);
                if (ret) {
@@ -1121,11 +1123,26 @@ static int ingenic_drm_remove(struct platform_device 
*pdev)
        return 0;
 }
 
+static const u32 jz4740_formats[] = {
+       DRM_FORMAT_XRGB1555,
+       DRM_FORMAT_RGB565,
+       DRM_FORMAT_XRGB8888,
+};
+
+static const u32 jz4770_formats[] = {
+       DRM_FORMAT_XRGB1555,
+       DRM_FORMAT_RGB565,
+       DRM_FORMAT_XRGB8888,
+       DRM_FORMAT_XRGB2101010,
+};
+
 static const struct jz_soc_info jz4740_soc_info = {
        .needs_dev_clk = true,
        .has_osd = false,
        .max_width = 800,
        .max_height = 600,
+       .formats = jz4740_formats,
+       .num_formats = ARRAY_SIZE(jz4740_formats),
 };
 
 static const struct jz_soc_info jz4725b_soc_info = {
@@ -1133,6 +1150,8 @@ static const struct jz_soc_info jz4725b_soc_info = {
        .has_osd = true,
        .max_width = 800,
        .max_height = 600,
+       .formats = jz4740_formats,
+       .num_formats = ARRAY_SIZE(jz4740_formats),
 };
 
 static const struct jz_soc_info jz4770_soc_info = {
@@ -1140,6 +1159,8 @@ static const struct jz_soc_info jz4770_soc_info = {
        .has_osd = true,
        .max_width = 1280,
        .max_height = 720,
+       .formats = jz4770_formats,
+       .num_formats = ARRAY_SIZE(jz4770_formats),
 };
 
 static const struct of_device_id ingenic_drm_of_match[] = {
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

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