Merge tag 'drm-misc-next-2024-08-01' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.12:

UAPI Changes:

virtio:
- Define DRM capset

Cross-subsystem Changes:

dma-buf:
- heaps: Clean up documentation

printk:
- Pass description to kmsg_dump()

Core Changes:

CI:
- Update IGT tests
- Point upstream repo to GitLab instance

modesetting:
- Introduce Power Saving Policy property for connectors
- Add might_fault() to drm_modeset_lock priming
- Add dynamic per-crtc vblank configuration support

panic:
- Avoid build-time interference with framebuffer console

docs:
- Document Colorspace property

scheduler:
- Remove full_recover from drm_sched_start

TTM:
- Make LRU walk restartable after dropping locks
- Allow direct reclaim to allocate local memory

Driver Changes:

amdgpu:
- Support Power Saving Policy connector property

ast:
- astdp: Support AST2600 with VGA; Clean up HPD

bridge:
- Silence error message on -EPROBE_DEFER
- analogix: Clean aup
- bridge-connector: Fix double free
- lt6505: Disable interrupt when powered off
- tc358767: Make default DP port preemphasis configurable

gma500:
- Update i2c terminology

ivpu:
- Add MODULE_FIRMWARE()

lcdif:
- Fix pixel clock

loongson:
- Use GEM refcount over TTM's

mgag200:
- Improve BMC handling
- Support VBLANK intterupts

nouveau:
- Refactor and clean up internals
- Use GEM refcount over TTM's

panel:
- Shutdown fixes plus documentation
- Refactor several drivers for better code sharing
- boe-th101mb31ig002: Support for starry-er88577 MIPI-DSI panel plus
  DT; Fix porch parameter
- edp: Support AOU B116XTN02.3, AUO B116XAN06.1, AOU B116XAT04.1,
  BOE NV140WUM-N41, BOE NV133WUM-N63, BOE NV116WHM-A4D, CMN N116BCA-EA2,
  CMN N116BCP-EA2, CSW MNB601LS1-4
- himax-hx8394: Support Microchip AC40T08A MIPI Display panel plus DT
- ilitek-ili9806e: Support Densitron DMT028VGHMCMI-1D TFT plus DT
- jd9365da: Support Melfas lmfbx101117480 MIPI-DSI panel plus DT; Refactor
  for code sharing

sti:
- Fix module owner

stm:
- Avoid UAF wih managed plane and CRTC helpers
- Fix module owner
- Fix error handling in probe
- Depend on COMMON_CLK
- ltdc: Fix transparency after disabling plane; Remove unused interrupt

tegra:
- Call drm_atomic_helper_shutdown()

v3d:
- Clean up perfmon

vkms:
- Clean up

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240801121406.GA102996@linux.fritz.box

1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 3f7333dca508..2e093535884b 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -64,6 +64,8 @@
 #include <linux/console.h>
 #include <linux/string.h>
 #include <linux/kd.h>
+#include <linux/panic.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/fb.h>
 #include <linux/fbcon.h>
@@ -270,12 +272,24 @@ static int fbcon_get_rotate(struct fb_info *info)
 	return (ops) ? ops->rotate : 0;
 }
 
+static bool fbcon_skip_panic(struct fb_info *info)
+{
+/* panic_cpu is not exported, and can't be used if built as module. Use
+ * oops_in_progress instead, but non-fatal oops won't be printed.
+ */
+#if defined(MODULE)
+	return (info->skip_panic && unlikely(oops_in_progress));
+#else
+	return (info->skip_panic && unlikely(atomic_read(&panic_cpu) != PANIC_CPU_INVALID));
+#endif
+}
+
 static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
 {
 	struct fbcon_ops *ops = info->fbcon_par;
 
 	return (info->state != FBINFO_STATE_RUNNING ||
-		vc->vc_mode != KD_TEXT || ops->graphics);
+		vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info));
 }
 
 static int get_color(struct vc_data *vc, struct fb_info *info,