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    Subject[v2 4/5] drm/mediatek: add frame size control
    Date
    Our new DSI chip has frame size control.
    So add the driver data to control for different chips.

    Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
    ---
    drivers/gpu/drm/mediatek/mtk_dsi.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
    index be42405a0a78..458a700ce74c 100644
    --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
    +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
    @@ -78,6 +78,7 @@
    #define DSI_VBP_NL 0x24
    #define DSI_VFP_NL 0x28
    #define DSI_VACT_NL 0x2C
    +#define DSI_SIZE_CON 0x38
    #define DSI_HSA_WC 0x50
    #define DSI_HBP_WC 0x54
    #define DSI_HFP_WC 0x58
    @@ -162,6 +163,7 @@ struct phy;
    struct mtk_dsi_driver_data {
    const u32 reg_cmdq_off;
    bool has_shadow_ctl;
    + bool has_size_ctl;
    };

    struct mtk_dsi {
    @@ -430,6 +432,9 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
    writel(vm->vfront_porch, dsi->regs + DSI_VFP_NL);
    writel(vm->vactive, dsi->regs + DSI_VACT_NL);

    + if (dsi->driver_data->has_size_ctl)
    + writel(vm->vactive << 16 | vm->hactive, dsi->regs + DSI_SIZE_CON);
    +
    horizontal_sync_active_byte = (vm->hsync_len * dsi_tmp_buf_bpp - 10);

    if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
    --
    2.21.0
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