This is useful when calculating vblank in drivers that support it.
During a modeset the atomic state may not match the hardware state,
so if the driver wants to wait on a vblank they'll want to use
crtc->hwmode rather than crtc->state->adjusted_mode.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_atomic_helper.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index d192b48d919a..63613ce673c7 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -673,6 +673,7 @@ drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
/* set legacy state in the crtc structure */
for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) {
crtc->mode = crtc->state->mode;
+ crtc->hwmode = crtc->state->adjusted_mode;
crtc->enabled = crtc->state->enable;
crtc->x = crtc->primary->state->src_x >> 16;
crtc->y = crtc->primary->state->src_y >> 16;
--
2.1.0
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