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 <[email protected]> --- 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 [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
