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-rw-r--r--drivers/gpu/drm/i915/intel_display.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f1744aa..00fbff5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5307,6 +5307,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
}
}
+ pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
/* the chip adds 2 halflines automatically */
@@ -5317,7 +5318,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
adjusted_mode->crtc_vsync_end -= 1;
adjusted_mode->crtc_vsync_start -= 1;
} else
- pipeconf &= ~PIPECONF_INTERLACE_MASK; /* progressive */
+ pipeconf |= PIPECONF_PROGRESSIVE;
I915_WRITE(HTOTAL(pipe),
(adjusted_mode->crtc_hdisplay - 1) |
@@ -5902,6 +5903,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
}
}
+ pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
/* the chip adds 2 halflines automatically */
@@ -5912,7 +5914,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
adjusted_mode->crtc_vsync_end -= 1;
adjusted_mode->crtc_vsync_start -= 1;
} else
- pipeconf &= ~PIPECONF_INTERLACE_MASK; /* progressive */
+ pipeconf |= PIPECONF_PROGRESSIVE;
I915_WRITE(HTOTAL(pipe),
(adjusted_mode->crtc_hdisplay - 1) |