Le jeu. 23 janv. 2020 à 10:50, Philippe CORNU <philippe.cornu@xxxxxx> a écrit : > > Dear Yannick, > Thank you for your patch, > > Acked-by: Philippe Cornu <philippe.cornu@xxxxxx> > > Philippe :-) > > On 1/21/20 11:14 AM, Yannick Fertre wrote: > > Following investigations of a hardware bug, the LIE interrupt > > can occur while the display controller is not activated. > > LIE interrupt (vblank) don't have to be set if the CRTC is not > > enabled. > > Applied on drm-misc-next. Thanks Benjamin > > Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxx> > > --- > > drivers/gpu/drm/stm/ltdc.c | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c > > index c2815e8..ea654c7 100644 > > --- a/drivers/gpu/drm/stm/ltdc.c > > +++ b/drivers/gpu/drm/stm/ltdc.c > > @@ -648,9 +648,14 @@ static const struct drm_crtc_helper_funcs ltdc_crtc_helper_funcs = { > > static int ltdc_crtc_enable_vblank(struct drm_crtc *crtc) > > { > > struct ltdc_device *ldev = crtc_to_ltdc(crtc); > > + struct drm_crtc_state *state = crtc->state; > > > > DRM_DEBUG_DRIVER("\n"); > > - reg_set(ldev->regs, LTDC_IER, IER_LIE); > > + > > + if (state->enable) > > + reg_set(ldev->regs, LTDC_IER, IER_LIE); > > + else > > + return -EPERM; > > > > return 0; > > } > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel