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[Artful/OEM,2/2] UBUNTU: SAUCE: drm/i915: make previous commit affects Wyse 3040 only

Message ID 1512482859-9784-3-git-send-email-jesse.sung@canonical.com
State Accepted
Headers show
Series Wyse 3040: Fix system hang after the cycle of cpu offline/online | expand

Commit Message

Wen-chien Jesse Sung Dec. 5, 2017, 2:07 p.m. UTC 
BugLink: https://launchpad.net/bugs/1736393

Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com>
---
 drivers/gpu/drm/i915/intel_lpe_audio.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c
index 56176f9..18606dd 100644
--- a/drivers/gpu/drm/i915/intel_lpe_audio.c
+++ b/drivers/gpu/drm/i915/intel_lpe_audio.c
@@ -176,7 +176,15 @@  static int lpe_audio_irq_init(struct drm_i915_private *dev_priv)
 				handle_simple_irq,
 				"hdmi_lpe_audio_irq_handler");
 
-	return 0;
+	static const struct pci_device_id irq_quirk_ids[] = {
+		/* Dell Wyse 3040 */
+		{PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x22b0, 0x1028, 0x07c1)},
+		{}
+	};
+
+	if (pci_dev_present(irq_quirk_ids))
+		return 0;
+	return irq_set_chip_data(irq, dev_priv);
 }
 
 static bool lpe_audio_detect(struct drm_i915_private *dev_priv)