[v4,4/7] drm/mediatek: add frame size control

Submitted by Jitao Shi on June 1, 2019, 9:26 a.m.

Details

Message ID 20190601092615.67917-5-jitao.shi@mediatek.com
State New
Headers show
Series "support dsi for mt8183" ( rev: 3 ) in DRI devel

Not browsing as part of any series.

Commit Message

Jitao Shi June 1, 2019, 9:26 a.m.
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>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 5 +++++
 1 file changed, 5 insertions(+)

Patch hide | download patch | download mbox

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index eea47294079e..18a192656a89 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)