From aa2a2fe1383fff13d2822ff9fce4013eacf2a0cb Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Tue, 3 Sep 2019 17:57:02 -0400
Subject: drm/dp_mst: Combine redundant cases in drm_dp_encode_sideband_req()
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Git-commit: aa2a2fe1383fff13d2822ff9fce4013eacf2a0cb
Patch-mainline: v5.5-rc1
References: bsc#1152489
Noticed this while working on adding a drm_dp_decode_sideband_req().
DP_POWER_DOWN_PHY/DP_POWER_UP_PHY both use the same struct as
DP_ENUM_PATH_RESOURCES, so we can just combine their cases.
Changes since v2:
* Fix commit message
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190903215702.16984-1-lyude@redhat.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 625743c76ddf..bdcdd37c4494 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -271,6 +271,8 @@ static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req,
switch (req->req_type) {
case DP_ENUM_PATH_RESOURCES:
+ case DP_POWER_DOWN_PHY:
+ case DP_POWER_UP_PHY:
buf[idx] = (req->u.port_num.port_number & 0xf) << 4;
idx++;
break;
@@ -358,12 +360,6 @@ static void drm_dp_encode_sideband_req(struct drm_dp_sideband_msg_req_body *req,
memcpy(&buf[idx], req->u.i2c_write.bytes, req->u.i2c_write.num_bytes);
idx += req->u.i2c_write.num_bytes;
break;
-
- case DP_POWER_DOWN_PHY:
- case DP_POWER_UP_PHY:
- buf[idx] = (req->u.port_num.port_number & 0xf) << 4;
- idx++;
- break;
}
raw->cur_len = idx;
}
--
2.28.0