Add support for overlays with pixel formats AR30 and BA30 on MT8195.
Tested using "modetest -P" on an MT8195 device.
Signed-off-by: Justin Green <greenjustin@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 49 ++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 8743c8047dc9..cd2f9a156456 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -41,6 +41,7 @@
#define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n))
#define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n))
#define DISP_REG_OVL_ADDR_MT2701 0x0040
+#define DISP_REG_OVL_CLRFMT_EXT 0x02D0
#define DISP_REG_OVL_ADDR_MT8173 0x0f40
#define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n))
#define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0x04)
@@ -61,6 +62,10 @@
0 : OVL_CON_CLRFMT_RGB)
#define OVL_CON_CLRFMT_RGB888(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \
OVL_CON_CLRFMT_RGB : 0)
+#define OVL_CON_CLRFMT_BIT_DEPTH_MASK(ovl) (0xFF << 4 * (ovl))
+#define OVL_CON_CLRFMT_BIT_DEPTH(depth, ovl) (depth << 4 * (ovl))
+#define OVL_CON_CLRFMT_8_BIT 0x00
+#define OVL_CON_CLRFMT_10_BIT 0x01
#define OVL_CON_AEN BIT(8)
#define OVL_CON_ALPHA 0xff
#define OVL_CON_VIRT_FLIP BIT(9)
@@ -80,6 +85,22 @@ static const u32 mt8173_formats[] = {
DRM_FORMAT_YUYV,
};
+static const u32 mt8195_formats[] = {
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ARGB2101010,
+ DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_BGRA1010102,
+ DRM_FORMAT_ABGR8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_BGR888,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_YUYV,
+};
+
struct mtk_disp_ovl_data {
unsigned int addr;
unsigned int gmc_bits;
@@ -218,6 +239,27 @@ static void mtk_ovl_set_afbc(struct mtk_disp_ovl *ovl, struct cmdq_pkt *cmdq_pkt
DISP_REG_OVL_DATAPATH_CON, OVL_LAYER_AFBC_EN(idx));
}
+static void mtk_ovl_set_bit_depth(struct device *dev, int idx, u32 format,
+ struct cmdq_pkt *cmdq_pkt)
+{
+ struct mtk_disp_ovl *ovl = dev_get_drvdata(dev);
+ unsigned int reg;
+ unsigned int bit_depth = OVL_CON_CLRFMT_8_BIT;
+
+ reg = readl(ovl->regs + DISP_REG_OVL_CLRFMT_EXT);
+ reg &= ~OVL_CON_CLRFMT_BIT_DEPTH_MASK(idx);
+
+ if (format == DRM_FORMAT_RGBA1010102 ||
+ format == DRM_FORMAT_BGRA1010102 ||
+ format == DRM_FORMAT_ARGB2101010)
+ bit_depth = OVL_CON_CLRFMT_10_BIT;
+
+ reg |= OVL_CON_CLRFMT_BIT_DEPTH(bit_depth, idx);
+
+ mtk_ddp_write(cmdq_pkt, reg, &ovl->cmdq_reg,
+ ovl->regs, DISP_REG_OVL_CLRFMT_EXT);
+}
+
void mtk_ovl_config(struct device *dev, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
@@ -332,9 +374,11 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
return OVL_CON_CLRFMT_ARGB8888;
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_BGRA8888:
+ case DRM_FORMAT_BGRA1010102:
return OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP;
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_ARGB2101010:
return OVL_CON_CLRFMT_RGBA8888;
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
@@ -418,6 +462,7 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx,
&ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH_MSB(idx));
}
+ mtk_ovl_set_bit_depth(dev, idx, fmt, cmdq_pkt);
mtk_ovl_layer_on(dev, idx, cmdq_pkt);
}
@@ -583,8 +628,8 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = {
.fmt_rgb565_is_0 = true,
.smi_id_en = true,
.supports_afbc = true,
- .formats = mt8173_formats,
- .num_formats = ARRAY_SIZE(mt8173_formats),
+ .formats = mt8195_formats,
+ .num_formats = ARRAY_SIZE(mt8195_formats),
};
static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
--
2.39.1.456.gfc5497dd1b-goog
