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drm/i915: Clean up skl_plane_has_planar()

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skl_plane_has_planar is hard to read, simplify the logic by checking for
support in the order of platform, pipe and plane.

No change in functionality intended.
v2: Fix logic for primary plane (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180827225624.4912-1-dhinakaran.pandiyan@intel.com
This commit is contained in:
Dhinakaran Pandiyan 2018-08-27 15:56:24 -07:00
parent 0d45db9c7a
commit 18563409b1
1 changed files with 9 additions and 18 deletions
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27
drivers/gpu/drm/i915/intel_display.c
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@ -13619,24 +13619,15 @@ static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
enum pipe pipe, enum plane_id plane_id)
{
if (plane_id == PLANE_PRIMARY) {
if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
else if ((INTEL_GEN(dev_priv) == 9 && pipe == PIPE_C) &&
!IS_GEMINILAKE(dev_priv))
return false;
} else if (plane_id >= PLANE_SPRITE0) {
if (plane_id == PLANE_CURSOR)
return false;
if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) == 10) {
if (plane_id != PLANE_SPRITE0)
return false;
} else {
if (plane_id != PLANE_SPRITE0 || pipe == PIPE_C ||
IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
}
}
if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
return false;
if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv) && pipe == PIPE_C)
return false;
if (plane_id != PLANE_PRIMARY && plane_id != PLANE_SPRITE0)
return false;
return true;
}