Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 12:38:49 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/amd/amdgpu: amdgpu_irq.c

Log Message:
amdgpu: Try turning on MSI.


To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 \
    src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c
diff -u src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c:1.8 src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c:1.9
--- src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c:1.8	Sun Dec 19 12:31:45 2021
+++ src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_irq.c	Sun Dec 19 12:38:49 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: amdgpu_irq.c,v 1.8 2021/12/19 12:31:45 riastradh Exp $	*/
+/*	$NetBSD: amdgpu_irq.c,v 1.9 2021/12/19 12:38:49 riastradh Exp $	*/
 
 /*
  * Copyright 2008 Advanced Micro Devices, Inc.
@@ -45,7 +45,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: amdgpu_irq.c,v 1.8 2021/12/19 12:31:45 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: amdgpu_irq.c,v 1.9 2021/12/19 12:38:49 riastradh Exp $");
 
 #include <linux/irq.h>
 #include <linux/pci.h>
@@ -253,7 +253,14 @@ int amdgpu_irq_init(struct amdgpu_device
 	adev->irq.msi_enabled = false;
 
 	if (amdgpu_msi_ok(adev)) {
-#ifndef __NetBSD__		/* XXX amdgpu msix */
+#ifdef __NetBSD__		/* XXX amdgpu msix */
+		if (pci_enable_msi(adev->pdev) == 0) {
+			adev->irq.msi_enabled = true;
+			dev_dbg(adev->dev, "amdgpu: using MSI/MSI-X.\n");
+		} else {
+			dev_err(adev->dev, "amdgpu: failed to enable MSI\n");
+		}
+#else
 		int nvec = pci_msix_vec_count(adev->pdev);
 		unsigned int flags;
 

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