drm/i915: Fix skl srckey mask bits
We're incorrectly masking off the R/V channel enable bit from KEYMSK. Fix it up. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Fixes:b208152556
("drm/i915: Add plane alpha blending support, v2.") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190125183846.28755-1-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper <matthew.d.roper@intel.com> (cherry picked from commit968bf969b4
) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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@ -494,7 +494,7 @@ skl_program_plane(struct intel_plane *plane,
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keymax = (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
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keymsk = key->channel_mask & 0x3ffffff;
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keymsk = key->channel_mask & 0x7ffffff;
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if (alpha < 0xff)
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keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
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