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drm/i915/display: Wait at least 2 frames before selective update

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BSpec states that the minimum number of frames before selective update
is 2, so making sure this minimum limit is fulfilled.

BSpec: 50422
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914212507.177511-2-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza
2021-09-14 14:25:04 -07:00
parent 72fe6ca84f
commit ce0eacbbd9
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_psr.c
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@@ -510,7 +510,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) <= 12)
val |= EDP_Y_COORDINATE_ENABLE;
val |= EDP_PSR2_FRAME_BEFORE_SU(intel_dp->psr.sink_sync_latency + 1);
val |= EDP_PSR2_FRAME_BEFORE_SU(max_t(u8, intel_dp->psr.sink_sync_latency + 1, 2));
val |= intel_psr2_get_tp_time(intel_dp);
/* Wa_22012278275:adl-p */