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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-04 09:22:54 -0700
commita6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch)
tree8960e571a398b5d32e72bdb9c89ce965daa870ab /drivers/gpu/drm/i915/intel_dp_mst.c
parentf5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff)
parent08d6ac9ee5fedd82040bc878705981b67a116a3f (diff)
downloadlinux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.gz
linux-a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8.tar.xz
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp_mst.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index c1f62eb07c07..989e25577ac0 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -44,6 +44,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
int lane_count, slots;
const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
int mst_pbn;
+ bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc,
+ DP_DPCD_QUIRK_LIMITED_M_N);
pipe_config->has_pch_encoder = false;
bpp = 24;
@@ -75,7 +77,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
intel_link_compute_m_n(bpp, lane_count,
adjusted_mode->crtc_clock,
pipe_config->port_clock,
- &pipe_config->dp_m_n);
+ &pipe_config->dp_m_n,
+ reduce_m_n);
pipe_config->dp_m_n.tu = slots;