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drm/mediatek: add YUYV/UYVY color format support for RDMA

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This patch add YUYV/UYVY color format support for RDMA
and transform matrix for YUYV/UYVY.

Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Stu Hsieh 2018-08-09 10:15:43 +08:00 committed by CK Hu
parent 55b53f6f7c
commit 94420a63cf
1 changed files with 20 additions and 0 deletions
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20
drivers/gpu/drm/mediatek/mtk_disp_rdma.c
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@ -33,6 +33,9 @@
#define RDMA_ENGINE_EN BIT(0)
#define RDMA_MODE_MEMORY BIT(1)
#define DISP_REG_RDMA_SIZE_CON_0 0x0014
#define RDMA_MATRIX_ENABLE BIT(17)
#define RDMA_MATRIX_INT_MTX_SEL GENMASK(23, 20)
#define RDMA_MATRIX_INT_MTX_BT601_to_RGB (6 << 20)
#define DISP_REG_RDMA_SIZE_CON_1 0x0018
#define DISP_REG_RDMA_TARGET_LINE 0x001c
#define DISP_RDMA_MEM_CON 0x0024
@ -40,6 +43,8 @@
#define MEM_MODE_INPUT_FORMAT_RGB888 (0x001 << 4)
#define MEM_MODE_INPUT_FORMAT_RGBA8888 (0x002 << 4)
#define MEM_MODE_INPUT_FORMAT_ARGB8888 (0x003 << 4)
#define MEM_MODE_INPUT_FORMAT_UYVY (0x004 << 4)
#define MEM_MODE_INPUT_FORMAT_YUYV (0x005 << 4)
#define MEM_MODE_INPUT_SWAP BIT(8)
#define DISP_RDMA_MEM_SRC_PITCH 0x002c
#define DISP_RDMA_MEM_GMC_SETTING_0 0x0030
@ -180,6 +185,10 @@ static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma,
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
return MEM_MODE_INPUT_FORMAT_RGBA8888 | MEM_MODE_INPUT_SWAP;
case DRM_FORMAT_UYVY:
return MEM_MODE_INPUT_FORMAT_UYVY;
case DRM_FORMAT_YUYV:
return MEM_MODE_INPUT_FORMAT_YUYV;
}
}
@ -196,6 +205,17 @@ static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
con = rdma_fmt_convert(rdma, fmt);
writel_relaxed(con, comp->regs + DISP_RDMA_MEM_CON);
if (fmt == DRM_FORMAT_UYVY || fmt == DRM_FORMAT_YUYV) {
rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
RDMA_MATRIX_ENABLE, RDMA_MATRIX_ENABLE);
rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
RDMA_MATRIX_INT_MTX_SEL,
RDMA_MATRIX_INT_MTX_BT601_to_RGB);
} else {
rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
RDMA_MATRIX_ENABLE, 0);
}
writel_relaxed(addr, comp->regs + DISP_RDMA_MEM_START_ADDR);
writel_relaxed(pitch, comp->regs + DISP_RDMA_MEM_SRC_PITCH);
writel(RDMA_MEM_GMC, comp->regs + DISP_RDMA_MEM_GMC_SETTING_0);