First of all I believe this WA as written here was wrong.
Because it is listed on BSpec only for SKL and BXT, exactly
the only 2 platforms skipped here.
But also it is written there that we don't need this WA
anymore:
"This workaround is no longer needed since NV12 support is
dropped for the affected projects in #0870."
SO, let's kill it.
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 14f6f66b00d2..aacc340d4eec 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -455,18 +455,6 @@ static const struct intel_limit intel_limits_bxt = {
.p2 = { .p2_slow = 1, .p2_fast = 20 },
};
-static void
-skl_wa_528(struct drm_i915_private *dev_priv, int pipe, bool enable)
-{
- if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
- return;
-
- if (enable)
- I915_WRITE(CHICKEN_PIPESL_1(pipe), HSW_FBCQ_DIS);
- else
- I915_WRITE(CHICKEN_PIPESL_1(pipe), 0);
-}
-
static void
skl_wa_clkgate(struct drm_i915_private *dev_priv, int pipe, bool enable)
{
@@ -5286,7 +5274,6 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state)
if (needs_nv12_wa(dev_priv, old_crtc_state) &&
!needs_nv12_wa(dev_priv, pipe_config)) {
skl_wa_clkgate(dev_priv, crtc->pipe, false);
- skl_wa_528(dev_priv, crtc->pipe, false);
}
}
@@ -5326,7 +5313,6 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state,
if (!needs_nv12_wa(dev_priv, old_crtc_state) &&
needs_nv12_wa(dev_priv, pipe_config)) {
skl_wa_clkgate(dev_priv, crtc->pipe, true);
- skl_wa_528(dev_priv, crtc->pipe, true);
}
/*
--
2.19.1
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