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drm/i915: Remove old PSR2 FIXME about frontbuffer tracking 

Our frontbuffer tracking improved over the years + the WA #0884
helped us keep PSR2 enabled while triggering screen updates when
necessary so this FIXME is not valid anymore.

Acked-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181204003403.23361-6-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2018-12-03 16:34:00 -08:00
parent d15f9cdd59
commit 227939a1c4
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/i915/intel_psr.c
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@ -476,9 +476,6 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
idle_frames = max(idle_frames, dev_priv->psr.sink_sync_latency + 1);
val = idle_frames << EDP_PSR2_IDLE_FRAME_SHIFT;
/* FIXME: selective update is probably totally broken because it doesn't
* mesh at all with our frontbuffer tracking. And the hw alone isn't
* good enough. */
val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
val |= EDP_Y_COORDINATE_ENABLE;