diff options
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 3d13ca6e2..49557c9 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1163,6 +1163,7 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_conne { struct drm_cmdline_mode *cmdline_mode; struct drm_display_mode *mode = NULL; + bool prefer_non_interlace; cmdline_mode = &fb_helper_conn->cmdline_mode; if (cmdline_mode->specified == false) @@ -1174,6 +1175,8 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_conne if (cmdline_mode->rb || cmdline_mode->margins) goto create_mode; + prefer_non_interlace = !cmdline_mode->interlace; + again: list_for_each_entry(mode, &fb_helper_conn->connector->modes, head) { /* check width/height */ if (mode->hdisplay != cmdline_mode->xres || @@ -1188,10 +1191,18 @@ static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_fb_helper_conne if (cmdline_mode->interlace) { if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) continue; + } else if (prefer_non_interlace) { + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + continue; } return mode; } + if (prefer_non_interlace) { + prefer_non_interlace = false; + goto again; + } + create_mode: mode = drm_mode_create_from_cmdline_mode(fb_helper_conn->connector->dev, cmdline_mode); |