On 08/07/2020 16:08, Yannick Fertre wrote:
From: Antonio Borneo antonio.borneo@st.com
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
drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index 1a24ea648ef8..e9a0f42ff99f 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -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)
@@ -376,6 +377,13 @@ 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)
Tested on Amlogic AXG (v1.21a)
Acked-by: Neil Armstrong narmstrong@baylibre.com
Applying to drm-misc-next
Thanks ! Neil