Commit 5def474e authored by Daniel Vetter's avatar Daniel Vetter

drm/i915: fixup interlaced support on ilk+

According to Paulo Zanoni, this is what windows does.
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: default avatarAlfonso Fiore <alfonso.fiore@gmail.com>
Signed-Off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 99fca60c
...@@ -5975,7 +5975,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, ...@@ -5975,7 +5975,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
pipeconf &= ~PIPECONF_INTERLACE_MASK; pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; pipeconf |= PIPECONF_INTERLACED_ILK;
/* the chip adds 2 halflines automatically */ /* the chip adds 2 halflines automatically */
adjusted_mode->crtc_vtotal -= 1; adjusted_mode->crtc_vtotal -= 1;
adjusted_mode->crtc_vblank_end -= 1; adjusted_mode->crtc_vblank_end -= 1;
......
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