Scaler id is added for skylake to handle its shared scalers.
This is not applicable for platforms before SKL. This patch limits
the scaler_id check during intel_pipe_config_compare to platforms
SKL and above.
Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c297cdc..fc1b7f9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11846,7 +11846,9 @@ intel_pipe_config_compare(struct drm_device *dev,
PIPE_CONF_CHECK_I(pch_pfit.size);
}
- PIPE_CONF_CHECK_I(scaler_state.scaler_id);
+ if (INTEL_INFO(dev)->gen >= 9) {
+ PIPE_CONF_CHECK_I(scaler_state.scaler_id);
+ }
/* BDW+ don't expose a synchronous way to read the state */
if (IS_HASWELL(dev))
--
1.7.9.5
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