[src/trunk]: src/sys/external/bsd/drm2 Revert "drmkms_pci: use MSI if availab...

[nonaka <nonaka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/37ba0ded9925
branches:  trunk
changeset: 351817:37ba0ded9925
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Mon Feb 27 23:52:05 2017 +0000

description:
Revert "drmkms_pci: use MSI if available."

Fix PR/51997.

diffstat:

 sys/external/bsd/drm2/dist/include/drm/drmP.h |   1 -
 sys/external/bsd/drm2/pci/drm_pci.c           |  14 ++++++--------
 2 files changed, 6 insertions(+), 9 deletions(-)

diffs (59 lines):

diff -r eac7e27d58f2 -r 37ba0ded9925 sys/external/bsd/drm2/dist/include/drm/drmP.h
--- a/sys/external/bsd/drm2/dist/include/drm/drmP.h     Mon Feb 27 23:31:00 2017 +0000
+++ b/sys/external/bsd/drm2/dist/include/drm/drmP.h     Mon Feb 27 23:52:05 2017 +0000
@@ -1268,7 +1268,6 @@
        bool irq_enabled;               /**< True if irq handler is enabled */
 #ifdef __NetBSD__
        struct drm_bus_irq_cookie *irq_cookie;
-       pci_intr_handle_t *intr_handles;
 #endif
        __volatile__ long context_flag; /**< Context swapping flag */
        int last_context;               /**< Last current context */
diff -r eac7e27d58f2 -r 37ba0ded9925 sys/external/bsd/drm2/pci/drm_pci.c
--- a/sys/external/bsd/drm2/pci/drm_pci.c       Mon Feb 27 23:31:00 2017 +0000
+++ b/sys/external/bsd/drm2/pci/drm_pci.c       Mon Feb 27 23:52:05 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_pci.c,v 1.14 2017/02/21 14:19:40 nonaka Exp $      */
+/*     $NetBSD: drm_pci.c,v 1.15 2017/02/27 23:52:05 nonaka Exp $      */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_pci.c,v 1.14 2017/02/21 14:19:40 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_pci.c,v 1.15 2017/02/27 23:52:05 nonaka Exp $");
 
 #include <sys/types.h>
 #include <sys/errno.h>
@@ -232,17 +232,16 @@
     struct drm_bus_irq_cookie **cookiep)
 {
        const struct pci_attach_args *const pa = drm_pci_attach_args(dev);
+       pci_intr_handle_t ih;
        const char *intrstr;
        void *ih_cookie;
        char intrbuf[PCI_INTRSTR_LEN];
 
-       if (pci_intr_alloc(pa, &dev->intr_handles, NULL, 0))
+       if (pci_intr_map(pa, &ih))
                return -ENOENT;
 
-       intrstr = pci_intr_string(pa->pa_pc, dev->intr_handles[0], intrbuf,
-           sizeof(intrbuf));
-       ih_cookie = pci_intr_establish(pa->pa_pc, dev->intr_handles[0],
-           IPL_DRM, handler, arg);
+       intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
+       ih_cookie = pci_intr_establish(pa->pa_pc, ih, IPL_DRM, handler, arg);
        if (ih_cookie == NULL) {
                aprint_error_dev(dev->dev,
                    "couldn't establish interrupt at %s (%s)\n",
@@ -263,7 +262,6 @@
        const struct pci_attach_args *pa = drm_pci_attach_args(dev);
 
        pci_intr_disestablish(pa->pa_pc, (void *)cookie);
-       pci_intr_release(pa->pa_pc, dev->intr_handles, 1);
 }
 
 static const char *