Hi Am 04.01.24 um 17:00 schrieb Jocelyn Falempe:
Add support for the drm_panic module, which displays a message to the screen when a kernel panic occurs. v5: * Also check that the plane is visible and primary. (Thomas Zimmermann) v7: * use drm_for_each_primary_visible_plane() Signed-off-by: Jocelyn Falempe <jfalempe@xxxxxxxxxx> --- drivers/gpu/drm/mgag200/mgag200_drv.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index 2fb18b782b05..2bf5918eadc5 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -13,10 +13,12 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_fbdev_generic.h> +#include <drm/drm_framebuffer.h>
Needs to go below drm_file.h With that fixed: Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
#include <drm/drm_file.h> #include <drm/drm_ioctl.h> #include <drm/drm_managed.h> #include <drm/drm_module.h> +#include <drm/drm_panic.h> #include <drm/drm_pciids.h>#include "mgag200_drv.h"@@ -84,6 +86,25 @@ resource_size_t mgag200_probe_vram(void __iomem *mem, resource_size_t size) return offset - 65536; }+static int mgag200_get_scanout_buffer(struct drm_device *dev,+ struct drm_scanout_buffer *sb) +{ + struct drm_plane *plane; + struct mga_device *mdev = to_mga_device(dev); + struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(mdev->vram); + + /* find the primary and visible plane */ + drm_for_each_primary_visible_plane(plane, dev) { + sb->format = plane->state->fb->format; + sb->width = plane->state->fb->width; + sb->height = plane->state->fb->height; + sb->pitch = plane->state->fb->pitches[0]; + sb->map = map; + return 0; + } + return -ENODEV; +} + /* * DRM driver */ @@ -99,6 +120,7 @@ static const struct drm_driver mgag200_driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, + .get_scanout_buffer = mgag200_get_scanout_buffer, DRM_GEM_SHMEM_DRIVER_OPS, };
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)
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