diff options
Diffstat (limited to 'drivers/gpu/drm/drm_modeset_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_modeset_helper.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c index 1d45738..2544dfe 100644 --- a/drivers/gpu/drm/drm_modeset_helper.c +++ b/drivers/gpu/drm/drm_modeset_helper.c @@ -70,8 +70,23 @@ EXPORT_SYMBOL(drm_helper_move_panel_connectors_to_head); void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, const struct drm_mode_fb_cmd2 *mode_cmd) { + const struct drm_format_info *info; int i; + info = drm_format_info(mode_cmd->pixel_format); + if (!info || !info->depth) { + char *format_name = drm_get_format_name(mode_cmd->pixel_format); + + DRM_DEBUG_KMS("non-RGB pixel format %s\n", format_name); + kfree(format_name); + + fb->depth = 0; + fb->bits_per_pixel = 0; + } else { + fb->depth = info->depth; + fb->bits_per_pixel = info->cpp[0] * 8; + } + fb->width = mode_cmd->width; fb->height = mode_cmd->height; for (i = 0; i < 4; i++) { @@ -79,8 +94,6 @@ void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, fb->offsets[i] = mode_cmd->offsets[i]; fb->modifier[i] = mode_cmd->modifier[i]; } - drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth, - &fb->bits_per_pixel); fb->pixel_format = mode_cmd->pixel_format; fb->flags = mode_cmd->flags; } |