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From: Mika Kahola <mika.kahola@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
Subject: [PATCH] drm/i915: Check for fused or unused pipes
Date: Fri, 15 Dec 2017 09:59:02 +0200	[thread overview]
Message-ID: <1513324742-21469-1-git-send-email-mika.kahola@intel.com> (raw)

In case of fused or unused pipes, return early with a warning when reading information
for encoder.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103206
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
---
 drivers/gpu/drm/i915/intel_audio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index f1502a0..522d54f 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -779,7 +779,7 @@ static struct intel_encoder *get_saved_enc(struct drm_i915_private *dev_priv,
 {
 	struct intel_encoder *encoder;
 
-	if (WARN_ON(pipe >= INTEL_INFO(dev_priv)->num_pipes))
+	if (WARN_ON(pipe >= ARRAY_SIZE(dev_priv->av_enc_map)))
 		return NULL;
 
 	/* MST */
-- 
2.7.4

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             reply	other threads:[~2017-12-15  7:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-15  7:59 Mika Kahola [this message]
2017-12-15  8:16 ` ✓ Fi.CI.BAT: success for drm/i915: Check for fused or unused pipes Patchwork
2017-12-15  9:02 ` ✓ Fi.CI.IGT: " Patchwork
2017-12-15  9:04 ` [PATCH] " Dhinakaran Pandiyan
2017-12-15  9:27   ` Jani Nikula
2017-12-15 10:05     ` Mika Kahola
2017-12-15 10:11     ` Dhinakaran Pandiyan
2017-12-15 10:18       ` Jani Nikula

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