drm/i915/tv: De-magic device check

We only support TV-out on gen3/4 mobile platforms, and i915gm is the
only one that matches.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index a6acaee..3fd1ab3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1090,7 +1090,7 @@ static void intel_tv_mode_set(struct intel_encoder *encoder)
                tv_mode->dda3_inc << TV_SCDDA3_INC_SHIFT;
 
        /* Enable two fixes for the chips that need them. */
-       if (dev->pdev->device < 0x2772)
+       if (IS_I915GM(dev))
                tv_ctl |= TV_ENC_C0_FIX | TV_ENC_SDP_FIX;
 
        set_tv_mode_timings(dev_priv, tv_mode, burst_ena);