| Message ID | 20240924-concurrent-wb-v2-14-7849f900e863@quicinc.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/msm/dpu: Add Concurrent Writeback Support for DPU 10.x+ | expand |
On Tue, Sep 24, 2024 at 03:59:30PM GMT, Jessica Zhang wrote: > If the clone mode enabled status is changing, a modeset needs to happen > so that the resources can be reassigned Sima's comment regarding crtc_state->mode_changed seems to be ignored... > > Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c > index a7850bf844db..f20e44e9fc05 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c > @@ -1268,6 +1268,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, > { > struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, > crtc); > + struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, > + crtc); > struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); > struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); > > @@ -1279,6 +1281,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, > int rc = 0; > > bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state); > + bool clone_mode_requested = drm_crtc_in_clone_mode(old_crtc_state); > + bool clone_mode_enabled = drm_crtc_in_clone_mode(crtc_state); > > /* there might be cases where encoder needs a modeset too */ > drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) { > @@ -1286,6 +1290,10 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, > crtc_state->mode_changed = true; > } > > + if ((clone_mode_requested && !clone_mode_enabled) || > + (!clone_mode_requested && clone_mode_enabled)) > + crtc_state->mode_changed = true; > + > if (drm_atomic_crtc_needs_modeset(crtc_state)) { > rc = dpu_crtc_assign_resources(crtc, crtc_state); > if (rc < 0) > > -- > 2.34.1 >
On 9/24/2024 4:25 PM, Dmitry Baryshkov wrote: > On Tue, Sep 24, 2024 at 03:59:30PM GMT, Jessica Zhang wrote: >> If the clone mode enabled status is changing, a modeset needs to happen >> so that the resources can be reassigned > > Sima's comment regarding crtc_state->mode_changed seems to be ignored... > Not ignored. One of us has to take that up. There is a broader cleanup required for that. We can sync up on how to tackle this : whether it needs to be in this series or push another one cleaning up all the instances. >> >> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> >> --- >> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c >> index a7850bf844db..f20e44e9fc05 100644 >> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c >> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c >> @@ -1268,6 +1268,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, >> { >> struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, >> crtc); >> + struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, >> + crtc); >> struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); >> struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); >> >> @@ -1279,6 +1281,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, >> int rc = 0; >> >> bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state); >> + bool clone_mode_requested = drm_crtc_in_clone_mode(old_crtc_state); >> + bool clone_mode_enabled = drm_crtc_in_clone_mode(crtc_state); >> >> /* there might be cases where encoder needs a modeset too */ >> drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) { >> @@ -1286,6 +1290,10 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, >> crtc_state->mode_changed = true; >> } >> >> + if ((clone_mode_requested && !clone_mode_enabled) || >> + (!clone_mode_requested && clone_mode_enabled)) >> + crtc_state->mode_changed = true; >> + >> if (drm_atomic_crtc_needs_modeset(crtc_state)) { >> rc = dpu_crtc_assign_resources(crtc, crtc_state); >> if (rc < 0) >> >> -- >> 2.34.1 >> >
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index a7850bf844db..f20e44e9fc05 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1268,6 +1268,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, { struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, + crtc); struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); @@ -1279,6 +1281,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, int rc = 0; bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state); + bool clone_mode_requested = drm_crtc_in_clone_mode(old_crtc_state); + bool clone_mode_enabled = drm_crtc_in_clone_mode(crtc_state); /* there might be cases where encoder needs a modeset too */ drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) { @@ -1286,6 +1290,10 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, crtc_state->mode_changed = true; } + if ((clone_mode_requested && !clone_mode_enabled) || + (!clone_mode_requested && clone_mode_enabled)) + crtc_state->mode_changed = true; + if (drm_atomic_crtc_needs_modeset(crtc_state)) { rc = dpu_crtc_assign_resources(crtc, crtc_state); if (rc < 0)
If the clone mode enabled status is changing, a modeset needs to happen so that the resources can be reassigned Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 8 ++++++++ 1 file changed, 8 insertions(+)