diff options
| author | Jitao Shi <jitao.shi@mediatek.com> | 2019-08-11 18:40:05 +0800 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2019-10-07 12:29:38 +0800 |
| commit | 7bf54afec961504d9618074539ec9ae2b8de8554 (patch) | |
| tree | d081a06afdaee4088dfa343923feea91ee905cf7 /drivers/gpu/drm/mediatek | |
| parent | 3c6bd94d32c45d47a0fce49e9cd64d72ff612bb5 (diff) | |
| download | linux-7bf54afec961504d9618074539ec9ae2b8de8554.tar.bz2 | |
drm/mediatek: add frame size control
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>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 881c0afabf17..ac1a24035fef 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -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) |