From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Add a small helper to determine if we have the panel power
sequencer or not. We'll make PNV an exceptional case so
that we can unset .is_mobile for the desktop variant.
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0ddd83dbd768..2ba61181746d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1441,6 +1441,14 @@ static void chv_enable_pll(struct intel_crtc *crtc,
}
}
+static bool i9xx_has_pps(struct drm_i915_private *dev_priv)
+{
+ if (IS_I830(dev_priv))
+ return false;
+
+ return IS_PINEVIEW(dev_priv) || IS_MOBILE(dev_priv);
+}
+
static void i9xx_enable_pll(struct intel_crtc *crtc,
const struct intel_crtc_state *crtc_state)
{
@@ -1452,7 +1460,7 @@ static void i9xx_enable_pll(struct intel_crtc *crtc,
assert_pipe_disabled(dev_priv, crtc->pipe);
/* PLL is protected by panel, make sure we can write it */
- if (IS_MOBILE(dev_priv) && !IS_I830(dev_priv))
+ if (i9xx_has_pps(dev_priv))
assert_panel_unlocked(dev_priv, crtc->pipe);
/*
--
2.19.2
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