linux-kernel - [PATCH 08/23] drm: remove unnecessary unlikely()

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Date:   Fri, 31 Aug 2018 01:34:14 +0300
From:   Igor Stoppa <igor.stoppa@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     igor.stoppa@...il.com, Igor Stoppa <igor.stoppa@...wei.com>,
        Rob Clark <robdclark@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Archit Taneja <architt@...eaurora.org>,
        Stephane Viau <sviau@...eaurora.org>
Subject: [PATCH 08/23] drm: remove unnecessary unlikely()

WARN_ON() already contains an unlikely(), so it's not necessary to wrap it
into another.

Signed-off-by: Igor Stoppa <igor.stoppa@...wei.com>
Cc: Rob Clark <robdclark@...il.com>
Cc: David Airlie <airlied@...ux.ie>
Cc: Archit Taneja <architt@...eaurora.org>
Cc: Stephane Viau <sviau@...eaurora.org>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c | 4 ++--
 drivers/gpu/drm/msm/disp/mdp_format.c    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c
index f93d5681267c..9e0b3730536d 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_ctl.c
@@ -261,7 +261,7 @@ int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline,
 	u32 blend_cfg;
 	struct mdp5_hw_mixer *mixer = pipeline->mixer;
 
-	if (unlikely(WARN_ON(!mixer))) {
+	if (WARN_ON(!mixer)) {
 		dev_err(ctl_mgr->dev->dev, "CTL %d cannot find LM",
 			ctl->id);
 		return -EINVAL;
@@ -703,7 +703,7 @@ struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
 		goto fail;
 	}
 
-	if (unlikely(WARN_ON(ctl_cfg->count > MAX_CTL))) {
+	if (WARN_ON(ctl_cfg->count > MAX_CTL)) {
 		dev_err(dev->dev, "Increase static pool size to at least %d\n",
 				ctl_cfg->count);
 		ret = -ENOSPC;
diff --git a/drivers/gpu/drm/msm/disp/mdp_format.c b/drivers/gpu/drm/msm/disp/mdp_format.c
index 005760bee708..005f24dcfbdd 100644
--- a/drivers/gpu/drm/msm/disp/mdp_format.c
+++ b/drivers/gpu/drm/msm/disp/mdp_format.c
@@ -185,7 +185,7 @@ const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format,
 
 struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
 {
-	if (unlikely(WARN_ON(type >= CSC_MAX)))
+	if (WARN_ON(type >= CSC_MAX))
 		return NULL;
 
 	return &csc_convert[type];
-- 
2.17.1