230 lines
7.7 KiB
Diff
230 lines
7.7 KiB
Diff
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/508/diffs
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From 4b6fce5975c2f931a0478cf4deeec97529b05eb6 Mon Sep 17 00:00:00 2001
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From: Olivier Fourdan <ofourdan@redhat.com>
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Date: Tue, 8 Sep 2020 10:01:55 +0200
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Subject: [PATCH 1/3] Revert "linux: Fix platform device probe for DT-based
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PCI"
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This reverts commit 249a12c54a9316b089bd22683c011519348496df.
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https://gitlab.freedesktop.org/xorg/xserver/-/issues/1068
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---
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config/udev.c | 27 +--------------------------
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1 file changed, 1 insertion(+), 26 deletions(-)
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--- config/udev.c
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+++ config/udev.c
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@@ -464,31 +464,6 @@ config_udev_fini(void)
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#ifdef CONFIG_UDEV_KMS
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-/* Find the last occurrence of the needle in haystack */
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-static char *strrstr(const char *haystack, const char *needle)
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-{
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- char *prev, *last, *tmp;
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-
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- prev = strstr(haystack, needle);
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- if (!prev)
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- return NULL;
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-
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- last = prev;
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- tmp = prev + 1;
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-
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- while (tmp) {
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- last = strstr(tmp, needle);
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- if (!last)
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- return prev;
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- else {
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- prev = last;
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- tmp = prev + 1;
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- }
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- }
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-
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- return last;
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-}
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-
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static void
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config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path, const char *syspath,
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int major, int minor,
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@@ -503,7 +478,7 @@ config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path
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attribs->minor = minor;
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value = udev_device_get_property_value(udev_device, "ID_PATH");
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- if (value && (str = strrstr(value, "pci-"))) {
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+ if (value && (str = strstr(value, "pci-"))) {
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attribs->busid = XNFstrdup(str);
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attribs->busid[3] = ':';
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}
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--
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GitLab
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From 39cb95e959fab97a7e255dda1a1599b096fb0f7e Mon Sep 17 00:00:00 2001
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From: Olivier Fourdan <ofourdan@redhat.com>
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Date: Tue, 8 Sep 2020 10:03:11 +0200
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Subject: [PATCH 2/3] Revert "linux: Fix platform device PCI detection for
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complex bus topologies"
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This reverts commit 5c96eb5f44e62a4cfe835023cde304eb5795b8fd.
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https://gitlab.freedesktop.org/xorg/xserver/-/issues/1068
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---
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config/udev.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- config/udev.c
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+++ config/udev.c
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@@ -470,7 +470,7 @@ config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path
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config_odev_probe_proc_ptr probe_callback)
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{
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struct OdevAttributes *attribs = config_odev_allocate_attributes();
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- const char *value, *str;
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+ const char *value;
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attribs->path = XNFstrdup(path);
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attribs->syspath = XNFstrdup(syspath);
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@@ -478,8 +478,8 @@ config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path
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attribs->minor = minor;
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value = udev_device_get_property_value(udev_device, "ID_PATH");
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- if (value && (str = strstr(value, "pci-"))) {
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- attribs->busid = XNFstrdup(str);
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+ if (value && !strncmp(value, "pci-", 4)) {
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+ attribs->busid = XNFstrdup(value);
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attribs->busid[3] = ':';
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}
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--
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GitLab
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From af4c84ce8855e84c0ad89b929bc972e884f0b8e3 Mon Sep 17 00:00:00 2001
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From: Olivier Fourdan <ofourdan@redhat.com>
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Date: Tue, 8 Sep 2020 10:03:33 +0200
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Subject: [PATCH 3/3] Revert "linux: Make platform device probe less fragile"
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This reverts commit 74b7427c41b4e4104af7abf70a996c086d3d7628.
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https://gitlab.freedesktop.org/xorg/xserver/-/issues/1068
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---
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config/udev.c | 17 +++++------------
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hw/xfree86/os-support/linux/lnx_platform.c | 20 ++++++++++++++++++--
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2 files changed, 23 insertions(+), 14 deletions(-)
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--- config/udev.c
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+++ config/udev.c
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@@ -56,7 +56,7 @@ static struct udev_monitor *udev_monitor;
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#ifdef CONFIG_UDEV_KMS
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static void
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-config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path, const char *syspath,
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+config_udev_odev_setup_attribs(const char *path, const char *syspath,
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int major, int minor,
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config_odev_probe_proc_ptr probe_callback);
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#endif
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@@ -128,7 +128,7 @@ device_added(struct udev_device *udev_device)
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LogMessage(X_INFO, "config/udev: Adding drm device (%s)\n", path);
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- config_udev_odev_setup_attribs(udev_device, path, syspath, major(devnum),
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+ config_udev_odev_setup_attribs(path, syspath, major(devnum),
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minor(devnum), NewGPUDeviceRequest);
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return;
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}
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@@ -322,7 +322,7 @@ device_removed(struct udev_device *device)
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LogMessage(X_INFO, "config/udev: removing GPU device %s %s\n",
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syspath, path);
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- config_udev_odev_setup_attribs(device, path, syspath, major(devnum),
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+ config_udev_odev_setup_attribs(path, syspath, major(devnum),
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minor(devnum), DeleteGPUDeviceRequest);
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/* Retry vtenter after a drm node removal */
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systemd_logind_vtenter();
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@@ -465,24 +465,17 @@ config_udev_fini(void)
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#ifdef CONFIG_UDEV_KMS
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static void
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-config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path, const char *syspath,
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+config_udev_odev_setup_attribs(const char *path, const char *syspath,
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int major, int minor,
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config_odev_probe_proc_ptr probe_callback)
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{
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struct OdevAttributes *attribs = config_odev_allocate_attributes();
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- const char *value;
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attribs->path = XNFstrdup(path);
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attribs->syspath = XNFstrdup(syspath);
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attribs->major = major;
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attribs->minor = minor;
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- value = udev_device_get_property_value(udev_device, "ID_PATH");
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- if (value && !strncmp(value, "pci-", 4)) {
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- attribs->busid = XNFstrdup(value);
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- attribs->busid[3] = ':';
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- }
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-
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/* ownership of attribs is passed to probe layer */
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probe_callback(attribs);
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}
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@@ -523,7 +516,7 @@ config_udev_odev_probe(config_odev_probe_proc_ptr probe_callback)
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else if (!check_seat(udev_device))
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goto no_probe;
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- config_udev_odev_setup_attribs(udev_device, path, syspath, major(devnum),
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+ config_udev_odev_setup_attribs(path, syspath, major(devnum),
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minor(devnum), probe_callback);
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no_probe:
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udev_device_unref(udev_device);
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--- hw/xfree86/os-support/linux/lnx_platform.c
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+++ hw/xfree86/os-support/linux/lnx_platform.c
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@@ -23,13 +23,13 @@
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static Bool
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get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
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{
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+ drmSetVersion sv;
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drmVersionPtr v;
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+ char *buf;
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int fd;
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int err = 0;
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Bool paused, server_fd = FALSE;
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- LogMessage(X_INFO, "Platform probe for %s\n", attribs->syspath);
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-
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fd = systemd_logind_take_fd(attribs->major, attribs->minor, path, &paused);
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if (fd != -1) {
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if (paused) {
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@@ -48,6 +48,18 @@ get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
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if (fd == -1)
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return FALSE;
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+ sv.drm_di_major = 1;
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+ sv.drm_di_minor = 4;
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+ sv.drm_dd_major = -1; /* Don't care */
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+ sv.drm_dd_minor = -1; /* Don't care */
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+
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+ err = drmSetInterfaceVersion(fd, &sv);
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+ if (err) {
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+ xf86Msg(X_ERROR, "%s: failed to set DRM interface version 1.4: %s\n",
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+ path, strerror(-err));
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+ goto out;
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+ }
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+
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/* for a delayed probe we've already added the device */
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if (delayed_index == -1) {
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xf86_add_platform_device(attribs, FALSE);
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@@ -57,6 +69,10 @@ get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
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if (server_fd)
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xf86_platform_devices[delayed_index].flags |= XF86_PDEV_SERVER_FD;
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+ buf = drmGetBusid(fd);
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+ xf86_platform_odev_attributes(delayed_index)->busid = XNFstrdup(buf);
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+ drmFreeBusid(buf);
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+
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v = drmGetVersion(fd);
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if (!v) {
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xf86Msg(X_ERROR, "%s: failed to query DRM version\n", path);
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--
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GitLab
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