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Commit 4837813a authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
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drm/i915: don't set ADPA pipe select on LPT 



Those bits just don't exist on LPT. The CRT DAC, PCH transcoder and
FDI RX are always connected to DDI E.

Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 9256aa19

drivers/gpu/drm/i915/intel_crt.c

+3 −1
Original line number Diff line number Diff line
@@ -245,7 +245,9 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, 
		adpa |= ADPA_VSYNC_ACTIVE_HIGH;



	/* For CPT allow 3 pipe config, for others just use A or B */

	if (HAS_PCH_CPT(dev))

	if (HAS_PCH_LPT(dev))

		; /* Those bits don't exist here */

	else if (HAS_PCH_CPT(dev))

		adpa |= PORT_TRANS_SEL_CPT(intel_crtc->pipe);

	else if (intel_crtc->pipe == 0)

		adpa |= ADPA_PIPE_A_SELECT;