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Commit 602c43d3 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: completely reset the value of DDI_FUNC_CTL 



Don't rely on previous values already set on the register. Everything
we're not explicitly setting should be zero for now.

Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent dfcef252

drivers/gpu/drm/i915/intel_ddi.c

+1 −6
Original line number Diff line number Diff line
@@ -723,12 +723,7 @@ void intel_ddi_mode_set(struct drm_encoder *encoder, 
	}



	/* Enable PIPE_DDI_FUNC_CTL for the pipe to work in HDMI mode */

	temp = I915_READ(DDI_FUNC_CTL(pipe));

	temp &= ~PIPE_DDI_PORT_MASK;

	temp &= ~PIPE_DDI_BPC_MASK;

	temp &= ~PIPE_DDI_MODE_SELECT_MASK;

	temp &= ~(PIPE_DDI_PVSYNC | PIPE_DDI_PHSYNC);

	temp |= PIPE_DDI_FUNC_ENABLE | PIPE_DDI_SELECT_PORT(port);

	temp = PIPE_DDI_FUNC_ENABLE | PIPE_DDI_SELECT_PORT(port);



	switch (intel_crtc->bpp) {

	case 18: