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path: root/drivers/gpu/drm/i915/display/i9xx_plane.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/i9xx_plane.c')
-rw-r--r--drivers/gpu/drm/i915/display/i9xx_plane.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c
index 616654adbfb8..b10488324457 100644
--- a/drivers/gpu/drm/i915/display/i9xx_plane.c
+++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
@@ -1033,10 +1033,13 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
DSPLINOFF(i9xx_plane));
base = intel_de_read(dev_priv, DSPSURF(i9xx_plane)) & DISP_ADDR_MASK;
} else {
+ offset = 0;
base = intel_de_read(dev_priv, DSPADDR(i9xx_plane));
}
plane_config->base = base;
+ drm_WARN_ON(&dev_priv->drm, offset != 0);
+
val = intel_de_read(dev_priv, PIPESRC(pipe));
fb->width = REG_FIELD_GET(PIPESRC_WIDTH_MASK, val) + 1;
fb->height = REG_FIELD_GET(PIPESRC_HEIGHT_MASK, val) + 1;