[PATCH v1 07/15] drm/mediatek: add layer config to set RDMA for plane setting

[Stu Hsieh]

This patch add layer config to set RDMA for plane setting

Layer config set the data address and pitch to RDMA from plane setting.

Signed-off-by: Stu Hsieh <stu.hs...@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c 
b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 78a1a0057aff..4ad0715c8341 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -36,13 +36,17 @@
 #define DISP_REG_RDMA_SIZE_CON_0               0x0014
 #define DISP_REG_RDMA_SIZE_CON_1               0x0018
 #define DISP_REG_RDMA_TARGET_LINE              0x001c
+#define DISP_RDMA_MEM_SRC_PITCH                        0x002c
+#define DISP_RDMA_MEM_GMC_SETTING_0            0x0030
 #define DISP_REG_RDMA_FIFO_CON                 0x0040
 #define RDMA_FIFO_UNDERFLOW_EN                         BIT(31)
 #define RDMA_FIFO_PSEUDO_SIZE(bytes)                   (((bytes) / 16) << 16)
 #define RDMA_OUTPUT_VALID_FIFO_THRESHOLD(bytes)                ((bytes) / 16)
 #define RDMA_FIFO_SIZE(rdma)                   ((rdma)->data->fifo_size)
+#define DISP_RDMA_MEM_START_ADDR               0x0f00
 
 #define MATRIX_INT_MTX_SEL_DEFAULT             0xb00000
+#define RDMA_MEM_GMC                           0x40402020
 
 struct mtk_disp_rdma_data {
        unsigned int fifo_size;
@@ -152,12 +156,28 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, 
unsigned int width,
        writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON);
 }
 
+static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
+                                 struct mtk_plane_state *state)
+{
+       struct mtk_plane_pending_state *pending = &state->pending;
+       unsigned int addr = pending->addr;
+       unsigned int pitch = pending->pitch & 0xffff;
+
+       if (pending->height == 0u || pending->width == 0u)
+               return;
+
+       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);
+}
+
 static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = {
        .config = mtk_rdma_config,
        .start = mtk_rdma_start,
        .stop = mtk_rdma_stop,
        .enable_vblank = mtk_rdma_enable_vblank,
        .disable_vblank = mtk_rdma_disable_vblank,
+       .layer_config = mtk_rdma_layer_config,
 };
 
 static int mtk_disp_rdma_bind(struct device *dev, struct device *master,
-- 
2.12.5

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