diff options
| author | Jouni Högander <[email protected]> | 2024-06-07 16:49:15 +0300 |
|---|---|---|
| committer | Jouni Högander <[email protected]> | 2024-06-11 13:04:24 +0300 |
| commit | aeafa46ee30c95dbad77db19b1400fb6fd78245f (patch) | |
| tree | 50399ce5c3683b0e450b43df7529f16cf5bf79a0 | |
| parent | 2e8938a1c56e60fcd6e52de254808615d0eccea4 (diff) | |
drm/i915/psr: Take into account SU SDP scanline indication in vblank check
SU SDP scanline indication should be taken into account when checking
vblank length. In Bspec we have:
PSR2_CTL[ SU SDP scanline indication ] = 0: (TRANS_VBLANK Vertical Blank
End- TRANS_VBLANK Vertical Blank Start) > PSR2_CTL Block Count Number value
in lines
PSR2_CTL[ SU SDP scanline indication ] = 1: (TRANS_VBLANK Vertical Blank
End- TRANS_VBLANK Vertical Blank Start- 1) > PSR2_CTL Block Count Number
value in lines
Bspec: 49274
Signed-off-by: Jouni Högander <[email protected]>
Reviewed-by: Animesh Manna <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 8f2b8b4620bd..7ee03bf924c4 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1250,6 +1250,9 @@ static bool wake_lines_fit_into_vblank(struct intel_dp *intel_dp, crtc_state->hw.adjusted_mode.crtc_vblank_start; int wake_lines = psr2_block_count_lines(intel_dp); + if (crtc_state->req_psr2_sdp_prior_scanline) + vblank -= 1; + /* Vblank >= PSR2_CTL Block Count Number maximum line count */ if (vblank < wake_lines) return false; |