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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 commit 968bf969b4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
hifive-unleashed-5.1
Ville Syrjälä 2019-01-25 20:38:46 +02:00 committed by Jani Nikula
parent 8834f5600c
commit 3e0b69bbed
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_sprite.c
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@ -494,7 +494,7 @@ skl_program_plane(struct intel_plane *plane,
keymax = (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
keymsk = key->channel_mask & 0x3ffffff;
keymsk = key->channel_mask & 0x7ffffff;
if (alpha < 0xff)
keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;