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drm/bridge/synopsys: dsi: allow LP commands in video mode 

Current code only sends LP commands in command mode.

Allows sending LP commands also in video mode by setting the
proper flag in DSI_VID_MODE_CFG.

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Tested-by: Philippe Cornu <philippe.cornu@st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200708140836.32418-1-yannick.fertre@st.com
This commit is contained in:
Antonio Borneo 2020-07-08 16:08:36 +02:00 committed by Neil Armstrong
parent d4a197f404
commit 6188b06e03
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
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@ -89,6 +89,7 @@
#define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS 0x1
#define VID_MODE_TYPE_BURST 0x2
#define VID_MODE_TYPE_MASK 0x3
#define ENABLE_LOW_POWER_CMD BIT(15)
#define VID_MODE_VPG_ENABLE BIT(16)
#define VID_MODE_VPG_HORIZONTAL BIT(24)
@ -367,6 +368,13 @@ static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,
dsi_write(dsi, DSI_LPCLK_CTRL, lpm ? 0 : PHY_TXREQUESTCLKHS);
dsi_write(dsi, DSI_CMD_MODE_CFG, val);
val = dsi_read(dsi, DSI_VID_MODE_CFG);
if (lpm)
val |= ENABLE_LOW_POWER_CMD;
else
val &= ~ENABLE_LOW_POWER_CMD;
dsi_write(dsi, DSI_VID_MODE_CFG, val);
}
static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)