diff options
| author | Jocelyn Falempe <jfalempe@redhat.com> | 2025-06-24 11:01:20 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <dev@lankhorst.se> | 2025-06-27 11:48:23 +0200 |
| commit | 98910fa0a487622d767d0674de3ce8fe02bde0b0 (patch) | |
| tree | b80de66491c55d0d3f0fad897d8f504ed6b6a6f0 /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 0cc88243aa240e5807515d09b47336370df34de8 (diff) | |
drm/i915/psr: Add intel_psr2_panic_force_full_update
When the panic handler is called, configure the psr to send the full
framebuffer to the monitor, otherwise the panic screen is only
partially visible.
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250624091501.257661-12-jfalempe@redhat.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index f7837e17c59d..8ee9d9dbdf11 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -2888,6 +2888,26 @@ skip_sel_fetch_set_loop: return 0; } +void intel_psr2_panic_force_full_update(struct intel_display *display, + struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 val = man_trk_ctl_enable_bit_get(display); + + /* SF partial frame enable has to be set even on full update */ + val |= man_trk_ctl_partial_frame_bit_get(display); + val |= man_trk_ctl_continuos_full_frame(display); + + /* Directly write the register */ + intel_de_write_fw(display, PSR2_MAN_TRK_CTL(display, cpu_transcoder), val); + + if (!crtc_state->enable_psr2_su_region_et) + return; + + intel_de_write_fw(display, PIPE_SRCSZ_ERLY_TPT(crtc->pipe), 0); +} + void intel_psr_pre_plane_update(struct intel_atomic_state *state, struct intel_crtc *crtc) { |