On Mon, Nov 05, 2018 at 04:56:35PM +0530, Jagan Teki wrote: > On Mon, Nov 5, 2018 at 4:09 PM Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > > > On Sat, Nov 03, 2018 at 03:38:52PM +0530, Jagan Teki wrote: > > > Instruction loop selection would require before writing > > > loop number registers, so enable idle, LP11 bits on > > > loop selection register. > > > > > > Reference code available in BSP > > > (in drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/de_dsi.c) > > > (dsi_dev[sel]->dsi_inst_loop_sel.dwval = 2<<(4*DSI_INST_ID_LP11) | > > > 3<<(4*DSI_INST_ID_DLY); > > > > > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > > > --- > > > drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 ++++ > > > 1 file changed, 4 insertions(+) > > > > > > diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c > > > index da152c21ec62..077b57ec964c 100644 > > > --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c > > > +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c > > > @@ -397,6 +397,10 @@ static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi, > > > struct mipi_dsi_device *device = dsi->device; > > > u16 delay; > > > > > > + regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_SEL_REG, > > > + DSI_INST_ID_HSC << (4 * DSI_INST_ID_LP11) | > > > + DSI_INST_ID_HSD << (4 * DSI_INST_ID_DLY)); > > > + > > > > Please put this with the other instructions settings below. > > Does that mean after computation delay code? Yes Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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