Cliff Zhao
f04ba846fe
Update to version 22.02.122+77.c09c651: * ply-device-manager: Move verify_drm_device() higher up in the file. * ply-device-manager: Also ignore SimpleDRM devs in coldplug enumeration path. * Rebase plymouth-only_use_fb_for_cirrus_bochs.patch. OBS-URL: https://build.opensuse.org/request/show/1008570 OBS-URL: https://build.opensuse.org/package/show/Base:System/plymouth?expand=0&rev=352
54 lines
3.1 KiB
Diff
54 lines
3.1 KiB
Diff
From: Fabian Vogt <fvogt@suse.com>
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Subject: force fb for cirrus and bochs, force drm otherwise
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References: bsc#888590, bsc#980750
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DRM does not work well with cirrus and bochs (no display) but the framebuffer driver
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prevents DRM drivers from loading.
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As we need to support cirrus for libvirt and bochs for QEMU, we cannot just remove support for frame-buffer.
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Index: plymouth-0.9.3+git20180807.7663b0c/src/libply-splash-core/ply-device-manager.c
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===================================================================
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diff -Nura plymouth-22.02.122+77.c09c651/src/libply-splash-core/ply-device-manager.c plymouth-22.02.122+77.c09c651_new/src/libply-splash-core/ply-device-manager.c
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--- plymouth-22.02.122+77.c09c651/src/libply-splash-core/ply-device-manager.c 2022-10-06 07:38:29.000000000 +0800
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+++ plymouth-22.02.122+77.c09c651_new/src/libply-splash-core/ply-device-manager.c 2022-10-07 00:22:51.532816241 +0800
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@@ -312,6 +312,18 @@
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subsystem = udev_device_get_subsystem (device);
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ply_trace ("device subsystem is %s", subsystem);
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+ const char *card_vendor = udev_device_get_sysattr_value (device, "device/vendor");
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+ const char *card_device = udev_device_get_sysattr_value (device, "device/device");
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+ bool use_fb = false;
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+ if (card_vendor) {
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+ /* Cirrus */
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+ if (strcmp ("0x1013", card_vendor) == 0)
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+ use_fb = true;
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+ /* "Technical Corp", also used by bochs */
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+ else if (strcmp ("0x1234", card_vendor) == 0)
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+ use_fb = strcmp("0x1111", card_device) == 0;
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+ }
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+
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if (strcmp (subsystem, SUBSYSTEM_DRM) == 0) {
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if (!manager->device_timeout_elapsed && !verify_drm_device (device)) {
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ply_trace ("ignoring since we only handle SimpleDRM devices after timeout");
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@@ -319,10 +331,18 @@
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}
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ply_trace ("found DRM device %s", device_path);
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renderer_type = PLY_RENDERER_TYPE_DRM;
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+ if (use_fb) {
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+ ply_trace ("forcing use of framebuffer for cirrusdrmfb");
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+ renderer_type = PLY_RENDERER_TYPE_NONE;
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+ }
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} else if (strcmp (subsystem, SUBSYSTEM_FRAME_BUFFER) == 0) {
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ply_trace ("found frame buffer device %s", device_path);
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- if (!fb_device_has_drm_device (manager, device))
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+ if (use_fb) {
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renderer_type = PLY_RENDERER_TYPE_FRAME_BUFFER;
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+ }
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+ else if (!fb_device_has_drm_device (manager, device)) {
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+ ply_trace ("avoiding use of framebuffer to not block DRM drivers from working");
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+ }
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else
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ply_trace ("ignoring, since there's a DRM device associated with it");
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}
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