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authorDouglas Anderson <dianders@chromium.org>2022-01-05 16:13:40 -0800
committerDouglas Anderson <dianders@chromium.org>2022-01-05 16:13:40 -0800
commitef1270e99460055ee7d66a4a22dd74bf61c17aa5 (patch)
tree9cde5969ac70f1cdf84a4bbcc8adc2deacf4bb47 /drivers/gpu/drm/drm_nomodeset.c
parent1a4af2e40c98b62c8aaf7cb692cd9600291d339b (diff)
parentcb6846fbb83b574c85c2a80211b402a6347b60b1 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-tip
# Conflicts: # drivers/gpu/drm/nouveau/nouveau_fence.c
Diffstat (limited to 'drivers/gpu/drm/drm_nomodeset.c')
-rw-r--r--drivers/gpu/drm/drm_nomodeset.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_nomodeset.c b/drivers/gpu/drm/drm_nomodeset.c
new file mode 100644
index 000000000000..f3978d5bd3a1
--- /dev/null
+++ b/drivers/gpu/drm/drm_nomodeset.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/module.h>
+#include <linux/types.h>
+
+static bool drm_nomodeset;
+
+bool drm_firmware_drivers_only(void)
+{
+ return drm_nomodeset;
+}
+EXPORT_SYMBOL(drm_firmware_drivers_only);
+
+static int __init disable_modeset(char *str)
+{
+ drm_nomodeset = true;
+
+ pr_warn("Booted with the nomodeset parameter. Only the system framebuffer will be available\n");
+
+ return 1;
+}
+
+/* Disable kernel modesetting */
+__setup("nomodeset", disable_modeset);