diff options
| author | José Roberto de Souza <jose.souza@intel.com> | 2020-02-11 10:50:07 -0800 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2020-02-15 11:05:56 +0200 |
| commit | 1fc1e8d4f4646bafecb98fbcb83dad036b950d19 (patch) | |
| tree | c40f5e14488c111b5952896d44675f4d5666b3d1 /drivers/gpu/drm | |
| parent | fcf7df7aae24facdedf42d76842e97ecc2f5d5bb (diff) | |
drm/i915/mst: Set intel_dp_set_m_n() for MST slaves
Commit 1c9d2eb24153 ("drm/i915: move intel_dp_set_m_n() to encoder for
DDI platforms") moved the intel_dp_set_m_n() from hsw_crtc_enable()
to intel_ddi_pre_enable_dp() but it missed add it to
intel_mst_pre_enable_dp() causing MST slaves to not work.
v2: Not setting intel_ddi_set_dp_msa() twice for MST master
Fixes: 1c9d2eb24153 ("drm/i915: move intel_dp_set_m_n() to encoder for DDI platforms")
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200211185008.30806-1-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 544e15603ef9..a1fd8fd67c85 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3615,10 +3615,11 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, /* MST will call a setting of MSA after an allocating of Virtual Channel * from MST encoder pre_enable callback. */ - if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { intel_ddi_set_dp_msa(crtc_state, conn_state); - intel_dp_set_m_n(crtc_state, M1_N1); + intel_dp_set_m_n(crtc_state, M1_N1); + } } static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 9cd59141953d..d7bfa7c350e9 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -480,6 +480,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder, intel_ddi_enable_pipe_clock(pipe_config); intel_ddi_set_dp_msa(pipe_config, conn_state); + + intel_dp_set_m_n(pipe_config, M1_N1); } static void intel_mst_enable_dp(struct intel_encoder *encoder, |