[Intel-gfx] [PATCH] drm/i915/i9xx: check for panel on pipe before asserting panel unlock bits

[Jesse Barnes]

Should address a warning reported in #79824.

References: https://bugs.freedesktop.org/show_bug.cgi?id=79824
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_display.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c424c36..a19544b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1607,7 +1607,9 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
 	BUG_ON(INTEL_INFO(dev)->gen >= 5);
 
 	/* PLL is protected by panel, make sure we can write it */
-	if (IS_MOBILE(dev) && !IS_I830(dev))
+	if (IS_MOBILE(dev) && !IS_I830(dev) &&
+	    (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
+	     intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)))
 		assert_panel_unlocked(dev_priv, crtc->pipe);
 
 	/* Enable DVO 2x clock on both PLLs if necessary */
-- 
1.9.1