From a9ed3aa9b87ee41e8ab3ff471b1331c154767e45 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sat, 26 Sep 2026 07:57:59 +1000 Subject: Merge tag 'drm-misc-fixes-2026-09-24' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes A number of fixes: - bridge: - samsung-dsim: fix GPIO lifetime - client: Null pointer dereference fix - imagination: error handling fix, page handling fix - nouveau: fix reference leaks, double-frees, out-of-bounds accesses, use-after-frees, don't reject config without SCDC, a number of workarounds - virtio: fix memory leak, reference leaks, null pointer dereference, add pixel blend mode, cache coherency fix Signed-off-by: Dave Airlie From: Maxime Ripard Link: https://patch.msgid.link/arU22zzqUGDEco1y@houat --- drivers/gpu/host1x/debug.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 drivers/gpu/host1x/debug.h (limited to 'drivers/gpu/host1x/debug.h') diff --git a/drivers/gpu/host1x/debug.h b/drivers/gpu/host1x/debug.h new file mode 100644 index 000000000..c43c61d87 --- /dev/null +++ b/drivers/gpu/host1x/debug.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Tegra host1x Debug + * + * Copyright (c) 2011-2013 NVIDIA Corporation. + */ +#ifndef __HOST1X_DEBUG_H +#define __HOST1X_DEBUG_H + +#include +#include + +struct host1x; + +struct output { + void (*fn)(void *ctx, const char *str, size_t len, bool cont); + void *ctx; + char buf[256]; +}; + +static inline void write_to_seqfile(void *ctx, const char *str, size_t len, + bool cont) +{ + seq_write((struct seq_file *)ctx, str, len); +} + +static inline void write_to_printk(void *ctx, const char *str, size_t len, + bool cont) +{ + if (cont) + pr_cont("%s", str); + else + pr_info("%s", str); +} + +void __printf(2, 3) host1x_debug_output(struct output *o, const char *fmt, ...); +void __printf(2, 3) host1x_debug_cont(struct output *o, const char *fmt, ...); + +extern unsigned int host1x_debug_trace_cmdbuf; + +void host1x_debug_init(struct host1x *host1x); +void host1x_debug_deinit(struct host1x *host1x); +void host1x_debug_dump(struct host1x *host1x); + +#endif -- cgit v1.3.1