Commit c2c2a91f authored by Jocelyn Falempe's avatar Jocelyn Falempe
Browse files

drm/fb-helper: Set skip_panic if the drm driver supports drm panic 



fb_info->skip_panic flag prevents fbcon from writing to the
framebuffer during a kernel panic. So set it when the drm driver
implements drm panic, to avoid overwriting the panic screen.

Signed-off-by: default avatarJocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240717090102.968152-3-jfalempe@redhat.com
parent d20a9f56

drivers/gpu/drm/drm_fb_helper.c

+2 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include <drm/drm_vblank.h>



#include "drm_internal.h"

#include "drm_crtc_internal.h"



static bool drm_fbdev_emulation = true;

module_param_named(fbdev_emulation, drm_fbdev_emulation, bool, 0600);
@@ -524,6 +525,7 @@ struct fb_info *drm_fb_helper_alloc_info(struct drm_fb_helper *fb_helper) 
	fb_helper->info = info;

	info->skip_vt_switch = true;



	info->skip_panic = drm_panic_is_enabled(fb_helper->dev);

	return info;



err_release: