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authorLinus Walleij <linus.walleij@linaro.org>2017-06-29 14:27:39 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-06-29 14:27:39 +0200
commit61830619675b97d3da34c59c71ae51646a205e2c (patch)
treee6d39f81284bdb86ba4214c89994fb454074f583 /drivers/gpu/drm/i915/intel_dp_mst.c
parentpinctrl: armada-37xx: Fix number of pin in sdio_sb (diff)
parentLinux 4.12-rc7 (diff)
downloadwireguard-linux-61830619675b97d3da34c59c71ae51646a205e2c.tar.xz
wireguard-linux-61830619675b97d3da34c59c71ae51646a205e2c.zip
Merge tag 'v4.12-rc7' into devel
Linux 4.12-rc7
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;