disp: msm: sde: add support for qsync min fps list

In current implementation qsync min fps is single value.
It is same for all the list of supported dfps list.
Added support for new dt entry dsi-supported-qsync-min-fps-list
corresponding to the fps supported in the dfps list
dsi-supported-dfps-list.

Change-Id: Ifd5309c2f51865a3c0d9fadb65cbcd291b6ef42b
Signed-off-by: Raviteja Tamatam <travitej@codeaurora.org>

msm/sde/sde_connector.h

@@ -374,6 +374,14 @@ struct sde_connector_ops {
 	 */
 	void (*set_allowed_mode_switch)(struct drm_connector *connector,
 			void *display);
+
+	/**
+	 * get_qsync_min_fps - Get qsync min fps from qsync-min-fps-list
+	 * @display: Pointer to private display structure
+	 * @mode_fps: Fps value in dfps list
+	 * Returns: Qsync min fps value on success
+	 */
+	int (*get_qsync_min_fps)(void *display, u32 mode_fps);
 };
 
 /**