1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 393b7a502291..8aa7be588f7f 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1316,6 +1316,7 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder,
         struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
         struct intel_sdvo_dtd dtd;
         int encoder_pixel_multiplier = 0;
+        int dotclock;
         u32 flags = 0, sdvox;
         u8 val;
         bool ret;
@@ -1354,6 +1355,13 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder,
                          >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
         }
 
+        dotclock = pipe_config->port_clock / pipe_config->pixel_multiplier;
+
+        if (HAS_PCH_SPLIT(dev))
+                ironlake_check_encoder_dotclock(pipe_config, dotclock);
+
+        pipe_config->adjusted_mode.clock = dotclock;
+
         /* Cross check the port pixel multiplier with the sdvo encoder state. */
         if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
                                  &val, 1)) {