| Message ID | 1422299326-8119-1-git-send-email-jilaiw@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index eea209e..60d0f58 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -310,6 +310,13 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, return -EINVAL; } + /* + * check if the crtc state matches with the current state + * if not match, force a full mode set + */ + if (state->enable != mdp5_crtc->enabled) + state->mode_changed = true; + /* verify that there are not too many planes attached to crtc * and that we don't have conflicting mixer stages: */
Crtc state may not reflect the current crtc state if drm_fb_helper_blank is called to turn dpms off without turning crtc off. A full modeset in this case to solve the problem. Signed-off-by: Jilai Wang <jilaiw@codeaurora.org> --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 7 +++++++ 1 file changed, 7 insertions(+)