Hi Biju, On Tue, 17 Mar 2026 12:36:00 +0000 Biju <[email protected]> wrote:
> From: Biju Das <[email protected]> > > Replace udelay(1) with fsleep(1000) in rzg2l_mipi_dsi_dphy_init() to > follow the power-on sequence described in Figure 34.5 of section > "34.4.2.1 Reset" of the RZ/G2L hardware manual Rev.1.50 May 2025. > > Signed-off-by: Biju Das <[email protected]> Seems to me like this should be backported to stable branches (missing Fixes / Cc: stable tags)? > --- > drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c > b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c > index a87a301326c7..e53b48e4de56 100644 > --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c > +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c > @@ -528,7 +528,7 @@ static int rzg2l_mipi_dsi_dphy_init(struct rzg2l_mipi_dsi > *dsi, > if (ret < 0) > return ret; > > - udelay(1); > + fsleep(1000); > > return 0; > } > -- > 2.43.0 > > -- Hugo Villeneuve <[email protected]>
