From: "José Roberto de Souza" <jose.souza@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
Subject: [Intel-gfx] [PATCH] drm/i915/mst: Set intel_dp_set_m_n() for MST slaves
Date: Mon, 10 Feb 2020 10:40:57 -0800 [thread overview]
Message-ID: <20200210184057.296698-1-jose.souza@intel.com> (raw)
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.
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>
---
drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 ++
1 file changed, 2 insertions(+)
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,
--
2.25.0
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next reply other threads:[~2020-02-10 18:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 18:40 José Roberto de Souza [this message]
2020-02-10 20:47 ` [Intel-gfx] [PATCH] drm/i915/mst: Set intel_dp_set_m_n() for MST slaves Jani Nikula
2020-02-11 16:12 ` Jani Nikula
2020-02-11 18:11 ` Souza, Jose
2020-02-10 20:55 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for " Patchwork
2020-02-10 23:42 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/mst: Set intel_dp_set_m_n() for MST slaves (rev2) Patchwork
2020-02-12 9:51 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
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