Revert "drm/i915: Configure the TV sense state correctly on GM45 to make TV detection reliable"

Eric mentioned on irc this patch was bad, so revert it.

This reverts commit fb8b5a39b6310379d7b54c0c7113703a8eaf4a57.

Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 081cb9014525..6d553c29d106 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1263,15 +1263,6 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder
                    DAC_A_0_7_V |
                    DAC_B_0_7_V |
                    DAC_C_0_7_V);
-
-        /*
-         * The TV sense state should be cleared to zero on cantiga platform. Otherwise
-         * the TV is misdetected. This is hardware requirement.
-         */
-        if (IS_GM45(dev))
-                tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
-                            TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
-
         I915_WRITE(TV_CTL, tv_ctl);
         I915_WRITE(TV_DAC, tv_dac);
         intel_wait_for_vblank(dev);