On 08/07/2020 16:08, Yannick Fertre wrote: > From: Antonio Borneo <antonio.borneo@xxxxxx> > > 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@xxxxxx> > --- > 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@xxxxxxxxxxxx> Applying to drm-misc-next Thanks ! Neil _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
