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path: root/drivers/gpu/drm/drm_mipi_dbi.c
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Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
-rw-r--r--drivers/gpu/drm/drm_mipi_dbi.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index 84abc3920b57..a6ac56580876 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -310,6 +310,24 @@ err_drm_dev_exit:
}
/**
+ * mipi_dbi_pipe_mode_valid - MIPI DBI mode-valid helper
+ * @pipe: Simple display pipe
+ * @mode: The mode to test
+ *
+ * This function validates a given display mode against the MIPI DBI's hardware
+ * display. Drivers can use this as their &drm_simple_display_pipe_funcs->mode_valid
+ * callback.
+ */
+enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+ const struct drm_display_mode *mode)
+{
+ struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev);
+
+ return drm_crtc_helper_mode_valid_fixed(&pipe->crtc, mode, &dbidev->mode);
+}
+EXPORT_SYMBOL(mipi_dbi_pipe_mode_valid);
+
+/**
* mipi_dbi_pipe_update - Display pipe update helper
* @pipe: Simple display pipe
* @old_state: Old plane state
@@ -415,26 +433,8 @@ EXPORT_SYMBOL(mipi_dbi_pipe_disable);
static int mipi_dbi_connector_get_modes(struct drm_connector *connector)
{
struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(connector->dev);
- struct drm_display_mode *mode;
-
- mode = drm_mode_duplicate(connector->dev, &dbidev->mode);
- if (!mode) {
- DRM_ERROR("Failed to duplicate mode\n");
- return 0;
- }
-
- if (mode->name[0] == '\0')
- drm_mode_set_name(mode);
-
- mode->type |= DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(connector, mode);
-
- if (mode->width_mm) {
- connector->display_info.width_mm = mode->width_mm;
- connector->display_info.height_mm = mode->height_mm;
- }
- return 1;
+ return drm_connector_helper_get_modes_fixed(connector, &dbidev->mode);
}
static const struct drm_connector_helper_funcs mipi_dbi_connector_hfuncs = {