On Fri, Oct 11, 2019 at 02:48:12PM +0300, Ville Syrjälä wrote:
On Thu, Oct 10, 2019 at 06:09:02PM -0700, Lucas De Marchi wrote:
Those init functions mark their success in the intel_dig_port
struct, the return values are not really used.

Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp_mst.c | 11 +++++------
 drivers/gpu/drm/i915/display/intel_dp_mst.h |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c 
b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 2203be28ea01..c2bbba1effc1 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -634,7 +634,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port 
*intel_dig_port, enum

 }

-static bool
+static void
 intel_dp_create_fake_mst_encoders(struct intel_digital_port *intel_dig_port)
 {
        struct intel_dp *intel_dp = &intel_dig_port->dp;
@@ -643,7 +643,6 @@ intel_dp_create_fake_mst_encoders(struct intel_digital_port 
*intel_dig_port)

        for_each_pipe(dev_priv, pipe)
                intel_dp->mst_encoders[pipe] = 
intel_dp_create_fake_mst_encoder(intel_dig_port, pipe);
-       return true;
 }

 int
@@ -652,14 +651,13 @@ intel_dp_mst_encoder_active_links(struct 
intel_digital_port *intel_dig_port)
        return intel_dig_port->dp.active_mst_links;
 }

-int
+void
 intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int 
conn_base_id)
 {
        struct intel_dp *intel_dp = &intel_dig_port->dp;
        struct drm_device *dev = intel_dig_port->base.base.dev;
        int ret;

-       intel_dp->can_mst = true;
        intel_dp->mst_mgr.cbs = &mst_cbs;

        /* create encoders */
@@ -668,9 +666,10 @@ intel_dp_mst_encoder_init(struct intel_digital_port 
*intel_dig_port, int conn_ba
                                           &intel_dp->aux, 16, 3, conn_base_id);
        if (ret) {
                intel_dp->can_mst = false;
-               return ret;
+               return;
        }
-       return 0;

I don't really like the silent failure mode. Maybe we should just fail
the entire connector init when this happens?

ok. For now I will just drop this patch.

Lucas De Marchi


+
+       intel_dp->can_mst = true;
 }

 void
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.h 
b/drivers/gpu/drm/i915/display/intel_dp_mst.h
index f660ad80db04..f2478c17a8fd 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.h
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.h
@@ -8,7 +8,7 @@

 struct intel_digital_port;

-int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int 
conn_id);
+void intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int 
conn_id);
 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
 int intel_dp_mst_encoder_active_links(struct intel_digital_port 
*intel_dig_port);

--
2.23.0

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--
Ville Syrjälä
Intel
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