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drm/mediatek: add frame size control

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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>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Jitao Shi 2019-08-11 18:40:05 +08:00 committed by CK Hu
parent 3c6bd94d32
commit 7bf54afec9
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/mediatek/mtk_dsi.c
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@ -72,6 +72,7 @@
#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
@ -156,6 +157,7 @@ struct phy;
struct mtk_dsi_driver_data {
const u32 reg_cmdq_off;
bool has_shadow_ctl;
bool has_size_ctl;
};
struct mtk_dsi {
@ -424,6 +426,10 @@ 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)