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drm/i915: Introduce i9xx_has_pfit()

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Make the code self-documenting by introducing i9xx_has_pfit().
Also make PNV an exceptional case so that we can unset
.is_mobile for the desktop variant.

v2: s/gen4/gen>=4/ (Tvrtko)

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190319142329.22881-1-ville.syrjala@linux.intel.com
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
This commit is contained in:
Ville Syrjälä 2019-03-19 16:23:29 +02:00
parent 5c22786983
commit b7c8093fac
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/drm/i915/intel_display.c
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@ -7962,14 +7962,22 @@ static int vlv_crtc_compute_clock(struct intel_crtc *crtc,
return 0;
}
static bool i9xx_has_pfit(struct drm_i915_private *dev_priv)
{
if (IS_I830(dev_priv))
return false;
return INTEL_GEN(dev_priv) >= 4 ||
IS_PINEVIEW(dev_priv) || IS_MOBILE(dev_priv);
}
static void i9xx_get_pfit_config(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 tmp;
if (INTEL_GEN(dev_priv) <= 3 &&
(IS_I830(dev_priv) || !IS_MOBILE(dev_priv)))
if (!i9xx_has_pfit(dev_priv))
return;
tmp = I915_READ(PFIT_CONTROL);