drm/i915/sdvo: Pick the TV dotclock from adjusted_mode

port_clock is what the encoder/dpll code is supposed to calculate,
it is not the input clock. Use the dotclock as the target we're
trying to achieve instead.

TODO: the SDVO TV clocking is a mess atm and needs further work
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230705202122.17915-7-ville.syrjala@linux.intel.comAcked-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -1272,7 +1272,7 @@ intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
-	unsigned dotclock = pipe_config->port_clock;
+	unsigned int dotclock = pipe_config->hw.adjusted_mode.crtc_clock;
 	struct dpll *clock = &pipe_config->dpll;
 
 	/*