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| author | Jouni Högander <jouni.hogander@intel.com> | 2022-09-05 13:23:55 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-13 12:05:17 +0300 |
| commit | cae5cb0cabc4847781fb359d98f7e1d9c7a7909e (patch) | |
| tree | dcdaf753f2c7e49e8b59c0b0b6641cb2713d4af9 /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | eccfba1785b52887d0aa4d2940a396afd53f0054 (diff) | |
| download | linux-cae5cb0cabc4847781fb359d98f7e1d9c7a7909e.tar.gz linux-cae5cb0cabc4847781fb359d98f7e1d9c7a7909e.tar.bz2 linux-cae5cb0cabc4847781fb359d98f7e1d9c7a7909e.zip | |
drm/i915/psr: Disable PSR2 when SDP is sent on prior line
Selective update doesn't work if SU start address is 0 and start/end
SDP is configured to be sent prior to SU start/end lines. PSR2 has to be
disabled in this case for Alder Lake.
HSDES: 22012279113
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220905102355.176622-3-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 6f03bf16d6f4..90d7cdd743be 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -811,7 +811,8 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d if ((hblank_ns - req_ns) > 100) return true; - if (DISPLAY_VER(dev_priv) < 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b) + /* Not supported <13 / Wa_22012279113:adl-p */ + if (DISPLAY_VER(dev_priv) <= 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b) return false; crtc_state->req_psr2_sdp_prior_scanline = true; |