From 82836692d5d7424660f8fb5f52432cfe2d9e633c Mon Sep 17 00:00:00 2001 From: Kalyan Thota Date: Mon, 13 Feb 2023 03:11:44 -0800 Subject: drm/msm/dpu: manage DPU resources if CTM is requested Allow modeset to be triggered during CTM enable/disable. In the modeset callbacks, DPU resources required for the CTM feature are managed appropriately. Signed-off-by: Kalyan Thota Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/522448/ Link: https://lore.kernel.org/r/1676286704-818-5-git-send-email-quic_kalyant@quicinc.com Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_atomic.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/gpu/drm/msm/msm_atomic.c') diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 608a969efea2..d77fa9793c54 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -179,6 +179,24 @@ static unsigned get_crtc_mask(struct drm_atomic_state *state) return mask; } +int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) +{ + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + struct drm_crtc *crtc; + int i; + + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + if ((old_crtc_state->ctm && !new_crtc_state->ctm) || + (!old_crtc_state->ctm && new_crtc_state->ctm)) { + new_crtc_state->mode_changed = true; + state->allow_modeset = true; + } + } + + return drm_atomic_helper_check(dev, state); +} + void msm_atomic_commit_tail(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; -- cgit v1.2.3