We may need to disable the panel when flipping to a new buffer, so check
the state here and zero it out if needed, otherwise leave it alone.
v2: fixup pipe_set_base check (Imre)
Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_display.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 3741fe8..0f3c036 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2363,6 +2363,18 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
return ret;
}
+ /* Update pipe size and adjust fitter if needed */
+ I915_WRITE(PIPESRC(intel_crtc->pipe),
+ ((crtc->mode.hdisplay - 1) << 16) |
+ (crtc->mode.vdisplay - 1));
+ if (!dev_priv->pch_pf_size &&
+ (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
+ intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
+ I915_WRITE(PF_CTL(intel_crtc->pipe), 0);
+ I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
+ I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
+ }
+
ret = dev_priv->display.update_plane(crtc, fb, x, y);
if (ret) {
intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj);
--
1.7.9.5
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