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drm/msm/dpu: manage DPU resources if CTM is requested

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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 <quic_kalyant@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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 <dmitry.baryshkov@linaro.org>
This commit is contained in:
Kalyan Thota 2023-02-13 03:11:44 -08:00 committed by Dmitry Baryshkov
parent f4eddf1d78
commit 82836692d5
3 changed files with 20 additions and 1 deletions
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18
drivers/gpu/drm/msm/msm_atomic.c
View file

@ -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;

2
drivers/gpu/drm/msm/msm_drv.c
View file

@ -55,7 +55,7 @@
static const struct drm_mode_config_funcs mode_config_funcs = {
.fb_create = msm_framebuffer_create,
.output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_check = msm_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
};

1
drivers/gpu/drm/msm/msm_drv.h
View file

@ -261,6 +261,7 @@ int msm_atomic_init_pending_timer(struct msm_pending_timer *timer,
struct msm_kms *kms, int crtc_idx);
void msm_atomic_destroy_pending_timer(struct msm_pending_timer *timer);
void msm_atomic_commit_tail(struct drm_atomic_state *state);
int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state);
struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev);
void msm_atomic_state_clear(struct drm_atomic_state *state);
void msm_atomic_state_free(struct drm_atomic_state *state);