From: Animesh Manna <animesh.ma...@intel.com>

As part of die area reduction max input source modified to 4096
for MTL so modified range check logic of scaler.

Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
Signed-off-by: Animesh Manna <animesh.ma...@intel.com>
Signed-off-by: Luca Coelho <luciano.coe...@intel.com>
---
 drivers/gpu/drm/i915/display/skl_scaler.c | 31 +++++++++++++++++------
 1 file changed, 23 insertions(+), 8 deletions(-)

In v2:
   * No changes;

In v3:
   * Removed stray reviewed-by tag;
   * Added my s-o-b.

In v4:
   * No changes.

For some reason this patch didn't reach the list before.  Resending.

diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c 
b/drivers/gpu/drm/i915/display/skl_scaler.c
index d7390067b7d4..6baa07142b03 100644
--- a/drivers/gpu/drm/i915/display/skl_scaler.c
+++ b/drivers/gpu/drm/i915/display/skl_scaler.c
@@ -103,6 +103,8 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool 
force_detach,
        struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
        const struct drm_display_mode *adjusted_mode =
                &crtc_state->hw.adjusted_mode;
+       int min_src_w, min_src_h, min_dst_w, min_dst_h;
+       int max_src_w, max_src_h, max_dst_w, max_dst_h;
 
        /*
         * Src coordinates are already rotated by 270 degrees for
@@ -157,15 +159,28 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, 
bool force_detach,
                return -EINVAL;
        }
 
+       min_src_w = SKL_MIN_SRC_W;
+       min_src_h = SKL_MIN_SRC_H;
+       min_dst_w = SKL_MIN_DST_W;
+       min_dst_h = SKL_MIN_DST_H;
+
+       if (DISPLAY_VER(dev_priv) >= 11 && DISPLAY_VER(dev_priv) < 14) {
+               max_src_w = ICL_MAX_SRC_W;
+               max_src_h = ICL_MAX_SRC_H;
+               max_dst_w = ICL_MAX_DST_W;
+               max_dst_h = ICL_MAX_DST_H;
+       } else {
+               max_src_w = SKL_MAX_SRC_W;
+               max_src_h = SKL_MAX_SRC_H;
+               max_dst_w = SKL_MAX_DST_W;
+               max_dst_h = SKL_MAX_DST_H;
+       }
+
        /* range checks */
-       if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H ||
-           dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H ||
-           (DISPLAY_VER(dev_priv) >= 11 &&
-            (src_w > ICL_MAX_SRC_W || src_h > ICL_MAX_SRC_H ||
-             dst_w > ICL_MAX_DST_W || dst_h > ICL_MAX_DST_H)) ||
-           (DISPLAY_VER(dev_priv) < 11 &&
-            (src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H ||
-             dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H))) {
+       if (src_w < min_src_w || src_h < min_src_h ||
+           dst_w < min_dst_w || dst_h < min_dst_h ||
+           src_w > max_src_w || src_h > max_src_h ||
+           dst_w > max_dst_w || dst_h > max_dst_h) {
                drm_dbg_kms(&dev_priv->drm,
                            "scaler_user index %u.%u: src %ux%u dst %ux%u "
                            "size is out of scaler range\n",

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