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path: root/drivers/gpu/drm/drm_probe_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_probe_helper.c')
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 7483a47de8e4..2161d8ed7c65 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -58,28 +58,23 @@
static bool drm_kms_helper_poll = true;
module_param_named(poll, drm_kms_helper_poll, bool, 0600);
-static void drm_mode_validate_flag(struct drm_connector *connector,
- int flags)
+static enum drm_mode_status
+drm_mode_validate_flag(const struct drm_display_mode *mode,
+ int flags)
{
- struct drm_display_mode *mode;
+ if ((mode->flags & DRM_MODE_FLAG_INTERLACE) &&
+ !(flags & DRM_MODE_FLAG_INTERLACE))
+ return MODE_NO_INTERLACE;
- if (flags == (DRM_MODE_FLAG_DBLSCAN | DRM_MODE_FLAG_INTERLACE |
- DRM_MODE_FLAG_3D_MASK))
- return;
+ if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) &&
+ !(flags & DRM_MODE_FLAG_DBLSCAN))
+ return MODE_NO_DBLESCAN;
- list_for_each_entry(mode, &connector->modes, head) {
- if ((mode->flags & DRM_MODE_FLAG_INTERLACE) &&
- !(flags & DRM_MODE_FLAG_INTERLACE))
- mode->status = MODE_NO_INTERLACE;
- if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) &&
- !(flags & DRM_MODE_FLAG_DBLSCAN))
- mode->status = MODE_NO_DBLESCAN;
- if ((mode->flags & DRM_MODE_FLAG_3D_MASK) &&
- !(flags & DRM_MODE_FLAG_3D_MASK))
- mode->status = MODE_NO_STEREO;
- }
+ if ((mode->flags & DRM_MODE_FLAG_3D_MASK) &&
+ !(flags & DRM_MODE_FLAG_3D_MASK))
+ return MODE_NO_STEREO;
- return;
+ return MODE_OK;
}
static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector)
@@ -164,18 +159,19 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
drm_mode_connector_list_update(connector, merge_type_bits);
- if (maxX && maxY)
- drm_mode_validate_size(dev, &connector->modes, maxX, maxY);
-
if (connector->interlace_allowed)
mode_flags |= DRM_MODE_FLAG_INTERLACE;
if (connector->doublescan_allowed)
mode_flags |= DRM_MODE_FLAG_DBLSCAN;
if (connector->stereo_allowed)
mode_flags |= DRM_MODE_FLAG_3D_MASK;
- drm_mode_validate_flag(connector, mode_flags);
list_for_each_entry(mode, &connector->modes, head) {
+ mode->status = drm_mode_validate_size(mode, maxX, maxY);
+
+ if (mode->status == MODE_OK)
+ mode->status = drm_mode_validate_flag(mode, mode_flags);
+
if (mode->status == MODE_OK && connector_funcs->mode_valid)
mode->status = connector_funcs->mode_valid(connector,
mode);