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-rw-r--r--drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c
index 50ec109aa6ed..70f36258db63 100644
--- a/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c
+++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c
@@ -612,6 +612,9 @@ rzg2l_mipi_dsi_bridge_mode_valid(struct drm_bridge *bridge,
if (mode->clock > 148500)
return MODE_CLOCK_HIGH;
+ if (mode->clock < 5803)
+ return MODE_CLOCK_LOW;
+
return MODE_OK;
}