drm/amd/display: Simplify handle_hpd_rx_irq()

There is a local reference to the dc_link that wasn't being
used so we shorten references throughout the function.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2b57bfc..bb83da6 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1024,20 +1024,20 @@ static void handle_hpd_rx_irq(void *param)
        struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
        struct drm_connector *connector = &aconnector->base;
        struct drm_device *dev = connector->dev;
-       const struct dc_link *dc_link = aconnector->dc_link;
+       struct dc_link *dc_link = aconnector->dc_link;
        bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
 
        /* TODO:Temporary add mutex to protect hpd interrupt not have a gpio
         * conflict, after implement i2c helper, this mutex should be
         * retired.
         */
-       if (aconnector->dc_link->type != dc_connection_mst_branch)
+       if (dc_link->type != dc_connection_mst_branch)
                mutex_lock(&aconnector->hpd_lock);
 
-       if (dc_link_handle_hpd_rx_irq(aconnector->dc_link, NULL) &&
+       if (dc_link_handle_hpd_rx_irq(dc_link, NULL) &&
                        !is_mst_root_connector) {
                /* Downstream Port status changed. */
-               if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPDRX)) {
+               if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
                        amdgpu_dm_update_connector_after_detect(aconnector);
 
 
@@ -1049,10 +1049,10 @@ static void handle_hpd_rx_irq(void *param)
                }
        }
        if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) ||
-                               (dc_link->type == dc_connection_mst_branch))
+           (dc_link->type == dc_connection_mst_branch))
                dm_handle_hpd_rx_irq(aconnector);
 
-       if (aconnector->dc_link->type != dc_connection_mst_branch)
+       if (dc_link->type != dc_connection_mst_branch)
                mutex_unlock(&aconnector->hpd_lock);
 }