On 4/3/19 11:24 AM, Yannick Fertré wrote: > Display controller reset must be done as soon as possible after enable > the clock to avoid partial refresh on screen. > > Signed-off-by: Yannick Fertré <[email protected]> > --- > drivers/gpu/drm/stm/ltdc.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c > index 32fd6a3..7bbe61c 100644 > --- a/drivers/gpu/drm/stm/ltdc.c > +++ b/drivers/gpu/drm/stm/ltdc.c > @@ -1134,6 +1134,12 @@ int ltdc_load(struct drm_device *ddev) > return -ENODEV; > } > > + if (!IS_ERR(rstc)) { > + reset_control_assert(rstc); > + usleep_range(10, 20); > + reset_control_deassert(rstc); > + } > + > res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > ldev->regs = devm_ioremap_resource(dev, res); > if (IS_ERR(ldev->regs)) { > @@ -1156,12 +1162,6 @@ int ltdc_load(struct drm_device *ddev) > } > } > > - if (!IS_ERR(rstc)) { > - reset_control_assert(rstc); > - usleep_range(10, 20); > - reset_control_deassert(rstc); > - } > -
Dear Yannick, Thank you for your patch, Acked-by: Philippe Cornu <[email protected]> Philippe :) > /* Disable interrupts */ > reg_clear(ldev->regs, LTDC_IER, > IER_LIE | IER_RRIE | IER_FUIE | IER_TERRIE); > _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
