On Mon, 2025-02-10 at 18:26 +0200, Ville Syrjälä wrote:
> On Mon, Jan 27, 2025 at 12:28:41PM +0200, Jouni Högander wrote:
> > Do needed changes to handle PSR2_MAN_TRK_CTL correctly when DSB is
> > in use:
> >
> > 1. Write PSR2_MAN_TRK_CTL in commit_pipe_pre_planes only when not
> > using
> > DSB.
> > 2. Add PSR2_MAN_TRK_CTL writing into DSB commit in
> > intel_atomic_dsb_finish.
> >
> > Taking PSR lock over DSB commit is not needed because
> > PSR2_MAN_TRK_CTL is
> > now written only by DSB.
> >
> > Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
> > Reviewed-by: Animesh Manna <animesh.ma...@intel.com>
> > ---
> > drivers/gpu/drm/i915/display/intel_display.c | 5 ++++-
> > 1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > b/drivers/gpu/drm/i915/display/intel_display.c
> > index aed35f203fd8d..5db2af86d0c8a 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -7143,7 +7143,8 @@ static void commit_pipe_pre_planes(struct
> > intel_atomic_state *state,
> > intel_pipe_fastset(old_crtc_state,
> > new_crtc_state);
> > }
> >
> > - intel_psr2_program_trans_man_trk_ctl(NULL,
> > new_crtc_state);
> > + if (!new_crtc_state->use_dsb)
> > + intel_psr2_program_trans_man_trk_ctl(NULL,
> > new_crtc_state);
>
> commit_pipe_pre_planes() is not called when use_dsb==true.
Couple of lines earlier in same function there is this:
if (!modeset && !new_crtc_state->use_dsb) {
I followed that in here. Do you still think I should remove checking
use_dsb from my patch?
BR,
Jouni Högander
>
> >
> > intel_atomic_update_watermarks(state, crtc);
> > }
> > @@ -7731,6 +7732,8 @@ static void intel_atomic_dsb_finish(struct
> > intel_atomic_state *state,
> > new_crtc_state);
> > bdw_set_pipe_misc(new_crtc_state->dsb_commit,
> > new_crtc_state);
> > + intel_psr2_program_trans_man_trk_ctl(new_crtc_stat
> > e->dsb_commit,
> > +
> > new_crtc_state);
> > intel_crtc_planes_update_arm(new_crtc_state-
> > >dsb_commit,
> > state, crtc);
> >
> > --
> > 2.43.0
>
