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author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-11-14 18:54:00 +0200 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-11-14 19:58:48 +0200 |
commit | 4ea7be2b562802c42f0dd232220f38119a0b9431 (patch) | |
tree | 1966e1a4998f96f6f0e5223e096cfe46e76905d3 /drivers/gpu/drm/i915/intel_sprite.c | |
parent | df0cd455e720e4c0a04a85eb8ec4d2dab2e37795 (diff) | |
download | op-kernel-dev-4ea7be2b562802c42f0dd232220f38119a0b9431.zip op-kernel-dev-4ea7be2b562802c42f0dd232220f38119a0b9431.tar.gz |
drm/i915: Add horizontal mirroring support for CHV pipe B planes
The primary and sprite planes on CHV pipe B support horizontal
mirroring. Expose it to the world.
Sadly the hardware ignores the mirror bit when the rotate bit is
set, so we'll have to reject the 180+X case.
v2: Drop the BIT()
v3: Pass dev_priv instead of dev to IS_CHERRYVIEW()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479142440-25283-4-git-send-email-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 7951b70..7b76182 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -430,6 +430,9 @@ vlv_update_plane(struct drm_plane *dplane, if (rotation & DRM_ROTATE_180) sprctl |= SP_ROTATE_180; + if (rotation & DRM_REFLECT_X) + sprctl |= SP_MIRROR; + /* Sizes are 0 based */ src_w--; src_h--; @@ -442,6 +445,8 @@ vlv_update_plane(struct drm_plane *dplane, if (rotation & DRM_ROTATE_180) { x += src_w; y += src_h; + } else if (rotation & DRM_REFLECT_X) { + x += src_w; } linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); @@ -1121,6 +1126,10 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, supported_rotations = DRM_ROTATE_0 | DRM_ROTATE_90 | DRM_ROTATE_180 | DRM_ROTATE_270; + } else if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) { + supported_rotations = + DRM_ROTATE_0 | DRM_ROTATE_180 | + DRM_REFLECT_X; } else { supported_rotations = DRM_ROTATE_0 | DRM_ROTATE_180; |