Messages in this thread | | | Date | Mon, 5 Nov 2018 11:38:57 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH 02/10] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection |
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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@amarulasolutions.com> > --- > 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.
hanks! Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] | |