[PATCH 1/3] drm/i915/psr: Allow writing PSR2_MAN_TRK_CTL using DSB
Jouni Högander
jouni.hogander at intel.com
Mon Nov 25 08:02:12 UTC 2024
Allow writing PSR2_MAN_TRK_CTL using DSB by using intel_de_write_dsb. Do
not check intel_dp->psr.lock being held when using DSB. This assertion
doesn't make sense as in case of using DSB the actual write happens later.
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
drivers/gpu/drm/i915/display/intel_psr.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 15b70a1127d4..2229e07e1fff 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2355,20 +2355,24 @@ void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_st
crtc_state->uapi.encoder_mask) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
- lockdep_assert_held(&intel_dp->psr.lock);
+ if (!crtc_state->use_dsb)
+ lockdep_assert_held(&intel_dp->psr.lock);
+
if (intel_dp->psr.psr2_sel_fetch_cff_enabled)
return;
break;
}
- intel_de_write(display, PSR2_MAN_TRK_CTL(display, cpu_transcoder),
- crtc_state->psr2_man_track_ctl);
+ intel_de_write_dsb(display, crtc_state->dsb_commit,
+ PSR2_MAN_TRK_CTL(display, cpu_transcoder),
+ crtc_state->psr2_man_track_ctl);
if (!crtc_state->enable_psr2_su_region_et)
return;
- intel_de_write(display, PIPE_SRCSZ_ERLY_TPT(crtc->pipe),
- crtc_state->pipe_srcsz_early_tpt);
+ intel_de_write_dsb(display, crtc_state->dsb_commit,
+ PIPE_SRCSZ_ERLY_TPT(crtc->pipe),
+ crtc_state->pipe_srcsz_early_tpt);
}
static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state,
--
2.34.1
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