diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_mode.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index ae21d89b899c..6695af70768f 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -43,6 +43,7 @@ #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> +#include <drm/drm_panic.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -701,12 +702,29 @@ static void ast_primary_plane_helper_atomic_disable(struct drm_plane *plane, ast_set_index_reg_mask(ast, AST_IO_VGASRI, 0x1, 0xdf, 0x20); } +static int ast_primary_plane_helper_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb) +{ + struct ast_plane *ast_plane = to_ast_plane(plane); + + if (plane->state && plane->state->fb && ast_plane->vaddr) { + sb->format = plane->state->fb->format; + sb->width = plane->state->fb->width; + sb->height = plane->state->fb->height; + sb->pitch[0] = plane->state->fb->pitches[0]; + iosys_map_set_vaddr_iomem(&sb->map[0], ast_plane->vaddr); + return 0; + } + return -ENODEV; +} + static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, .atomic_check = ast_primary_plane_helper_atomic_check, .atomic_update = ast_primary_plane_helper_atomic_update, .atomic_enable = ast_primary_plane_helper_atomic_enable, .atomic_disable = ast_primary_plane_helper_atomic_disable, + .get_scanout_buffer = ast_primary_plane_helper_get_scanout_buffer, }; static const struct drm_plane_funcs ast_primary_plane_funcs = { |