drm/stm: dsi: move lane capability detection in probe()

There is no need to re-compute the dsi lane capability because it
only depends on dsi hw version.
Since dsi hw version is detected at probe(), move there also the
assignment of dsi lane capability.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Acked-by: Philippe Cornu <philippe.cornu@foss.st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@foss.st.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211218215055.212421-1-antonio.borneo@foss.st.com

drivers/gpu/drm/stm/dw_mipi_dsi-stm.c

@@ -247,14 +247,6 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
 	int ret, bpp;
 	u32 val;
 
-	/* Update lane capabilities according to hw version */
-	dsi->lane_min_kbps = LANE_MIN_KBPS;
-	dsi->lane_max_kbps = LANE_MAX_KBPS;
-	if (dsi->hw_version == HWVER_131) {
-		dsi->lane_min_kbps *= 2;
-		dsi->lane_max_kbps *= 2;
-	}
-
 	pll_in_khz = (unsigned int)(clk_get_rate(dsi->pllref_clk) / 1000);
 
 	/* Compute requested pll out */
@@ -417,6 +409,14 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 		goto err_dsi_probe;
 	}
 
+	/* set lane capabilities according to hw version */
+	dsi->lane_min_kbps = LANE_MIN_KBPS;
+	dsi->lane_max_kbps = LANE_MAX_KBPS;
+	if (dsi->hw_version == HWVER_131) {
+		dsi->lane_min_kbps *= 2;
+		dsi->lane_max_kbps *= 2;
+	}
+
 	dw_mipi_dsi_stm_plat_data.base = dsi->base;
 	dw_mipi_dsi_stm_plat_data.priv_data = dsi;