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drm/i915/fbc: Just use params->fence_y_offset always

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No need to tiptoe around programming DPFC_FENCE_YOFF with
params->fence_y_offset vs. 0. If the fence is not enabled
it doesn't even matter what we program here.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104144520.22605-4-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
This commit is contained in:
Ville Syrjälä
2021-11-04 16:45:06 +02:00
parent 2013ab1849
commit ef9600ffd4
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/i915/display/intel_fbc.c
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@@ -235,13 +235,11 @@ static void g4x_fbc_activate(struct drm_i915_private *dev_priv)
dpfc_ctl |= g4x_dpfc_ctl_limit(dev_priv);
if (params->fence_id >= 0) {
if (params->fence_id >= 0)
dpfc_ctl |= DPFC_CTL_FENCE_EN | params->fence_id;
intel_de_write(dev_priv, DPFC_FENCE_YOFF,
params->fence_y_offset);
} else {
intel_de_write(dev_priv, DPFC_FENCE_YOFF, 0);
}
intel_de_write(dev_priv, DPFC_FENCE_YOFF,
params->fence_y_offset);
/* enable it... */
intel_de_write(dev_priv, DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);