diff mbox series

[4/4] drm/i915/display: Enable HOBL regardless the VBT value

Message ID 20200528200356.36756-4-jose.souza@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/4] drm/i915/display/hsw+: Do not program the same vswing entry twice | expand

Commit Message

Souza, Jose May 28, 2020, 8:03 p.m. UTC
HOBL worked in my TGL RVP even without the necessary HW support, also
it worked in more than half of the TGL machines in CI so it is worthy
to enable it by default.
Even if link training fails with this new vswing table it will only
cause one additional link training, that is worthy the try to get the
additional power-savings.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index db078780542f..86de1187d363 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -108,7 +108,7 @@  intel_dp_reset_link_train(struct intel_dp *intel_dp, u8 dp_train_pat)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 
-	if (intel_dp_is_edp(intel_dp) && dev_priv->vbt.edp.hobl)
+	if (HAS_HOBL(dev_priv) && intel_dp_is_edp(intel_dp))
 		intel_dp->try_hobl = true;
 
 	memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set));