GEN9+ Interlace fetch mode doesn't support pipe scaling,
This patch adds check to fail the flip if pipe scaling is requested in
Interlace fetch mode.
Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_atomic.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 36d4e635e4ce..a1206d4f9a23 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -224,6 +224,7 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
struct intel_crtc_scaler_state *scaler_state =
&crtc_state->scaler_state;
struct drm_atomic_state *drm_state = crtc_state->base.state;
+ const struct drm_display_mode *mode = &crtc_state->base.adjusted_mode;
int num_scalers_need;
int i, j;
@@ -248,6 +249,13 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
return -EINVAL;
}
+ /* Scaling/fitting not supported in IF-ID mode in GEN9+ */
+ if (INTEL_GEN(dev_priv) >=9 && mode->flags & DRM_MODE_FLAG_INTERLACE &&
+ scaler_state->scaler_users & (1 << SKL_CRTC_INDEX)) {
+ DRM_DEBUG_KMS("Pipe Scaling not supported with IF-ID mode\n");
+ return -EINVAL;
+ }
+
/* walkthrough scaler_users bits and start assigning scalers */
for (i = 0; i < sizeof(scaler_state->scaler_users) * 8; i++) {
int *scaler_id;
--
2.13.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
