diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 02f67fa9881f..cde2f18ce1c1 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -426,8 +426,8 @@ static void ltdc_crtc_atomic_enable(struct drm_crtc *crtc, /* Enable IRQ */ reg_set(ldev->regs, LTDC_IER, IER_RRIE | IER_FUIE | IER_TERRIE); - /* Immediately commit the planes */ - reg_set(ldev->regs, LTDC_SRCR, SRCR_IMR); + /* Commit shadow registers = update planes at next vblank */ + reg_set(ldev->regs, LTDC_SRCR, SRCR_VBR); /* Enable LTDC */ reg_set(ldev->regs, LTDC_GCR, GCR_LTDCEN);