| Message ID | 20240104160301.185915-9-jfalempe@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/panic: Add a drm panic handler | expand |
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. > > v7 > * Use drm_for_each_primary_visible_plane() > > Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> > --- > drivers/gpu/drm/ast/ast_drv.c | 26 ++++++++++++++++++++++++-- > 1 file changed, 24 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c > index 90bcb1eb9cd9..8ddce3d7fda9 100644 > --- a/drivers/gpu/drm/ast/ast_drv.c > +++ b/drivers/gpu/drm/ast/ast_drv.c > @@ -35,6 +35,7 @@ > #include <drm/drm_fbdev_generic.h> > #include <drm/drm_gem_shmem_helper.h> > #include <drm/drm_module.h> > +#include <drm/drm_panic.h> > #include <drm/drm_probe_helper.h> > > #include "ast_drv.h" > @@ -48,6 +49,27 @@ module_param_named(modeset, ast_modeset, int, 0400); > * DRM driver > */ > > +static int ast_get_scanout_buffer(struct drm_device *dev, > + struct drm_scanout_buffer *sb) > +{ > + struct drm_plane *plane; > + struct ast_plane *ast_plane; > + > + drm_for_each_primary_visible_plane(plane, dev) { > + ast_plane = to_ast_plane(plane); > + if (!ast_plane->vaddr) > + continue; > + > + 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]; > + iosys_map_set_vaddr_iomem(&sb->map, ast_plane->vaddr); > + return 0; > + } > + return -ENODEV; > +} > + > DEFINE_DRM_GEM_FOPS(ast_fops); > > static const struct drm_driver ast_driver = { > @@ -62,8 +84,8 @@ static const struct drm_driver ast_driver = { > .major = DRIVER_MAJOR, > .minor = DRIVER_MINOR, > .patchlevel = DRIVER_PATCHLEVEL, > - > - DRM_GEM_SHMEM_DRIVER_OPS > + .get_scanout_buffer = ast_get_scanout_buffer, > + DRM_GEM_SHMEM_DRIVER_OPS, > }; > > /*
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 90bcb1eb9cd9..8ddce3d7fda9 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -35,6 +35,7 @@ #include <drm/drm_fbdev_generic.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_module.h> +#include <drm/drm_panic.h> #include <drm/drm_probe_helper.h> #include "ast_drv.h" @@ -48,6 +49,27 @@ module_param_named(modeset, ast_modeset, int, 0400); * DRM driver */ +static int ast_get_scanout_buffer(struct drm_device *dev, + struct drm_scanout_buffer *sb) +{ + struct drm_plane *plane; + struct ast_plane *ast_plane; + + drm_for_each_primary_visible_plane(plane, dev) { + ast_plane = to_ast_plane(plane); + if (!ast_plane->vaddr) + continue; + + 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]; + iosys_map_set_vaddr_iomem(&sb->map, ast_plane->vaddr); + return 0; + } + return -ENODEV; +} + DEFINE_DRM_GEM_FOPS(ast_fops); static const struct drm_driver ast_driver = { @@ -62,8 +84,8 @@ static const struct drm_driver ast_driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, - - DRM_GEM_SHMEM_DRIVER_OPS + .get_scanout_buffer = ast_get_scanout_buffer, + DRM_GEM_SHMEM_DRIVER_OPS, }; /*
Add support for the drm_panic module, which displays a message to the screen when a kernel panic occurs. v7 * Use drm_for_each_primary_visible_plane() Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> --- drivers/gpu/drm/ast/ast_drv.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-)