Messages in this thread | | | Date | Mon, 19 Nov 2018 09:27:07 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 01/12] drm/sun4i: sun6i_mipi_dsi: Compute burst mode loop N1 instruction delay |
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On Fri, Nov 16, 2018 at 10:09:05PM +0530, Jagan Teki wrote: > Loop N1 instruction delay for burst mode lcd panel are > computed as per BSP code. > > Reference code is available in BSP (from linux-sunxi > drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/de_dsi.c) > > dsi_dev[sel]->dsi_inst_loop_num.bits.loop_n1= > (panel->lcd_ht-panel->lcd_x)*(150)/(panel->lcd_dclk_freq*8) - 50; > => (((mode->htotal - mode->hdisplay) * 150) / > ((mode->clock / 1000) * 8)) - 50; > > So use the similar computation for loop N1 delay. > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
*why* are you doing this? What is it fixing? on which devices?
Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] | |