linux-kernel - [PATCH 2/3] drm/msm: Split out get

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Date:   Thu, 22 Jul 2021 15:21:40 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Rob Clark <robdclark@...omium.org>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-arm-msm@...r.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        freedreno@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/3] drm/msm: Split out get_freq() helper

From: Rob Clark <robdclark@...omium.org>

In the next patch, it grows a bit more, so lets not duplicate the logic
in multiple places.

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/msm/msm_gpu_devfreq.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
index 3bcea0baddab..2e24a97be624 100644
--- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c
+++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
@@ -37,17 +37,21 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq,
 	return 0;
 }
 
+static unsigned long get_freq(struct msm_gpu *gpu)
+{
+	if (gpu->funcs->gpu_get_freq)
+		return gpu->funcs->gpu_get_freq(gpu);
+
+	return clk_get_rate(gpu->core_clk);
+}
+
 static int msm_devfreq_get_dev_status(struct device *dev,
 		struct devfreq_dev_status *status)
 {
 	struct msm_gpu *gpu = dev_to_gpu(dev);
 	ktime_t time;
 
-	if (gpu->funcs->gpu_get_freq)
-		status->current_frequency = gpu->funcs->gpu_get_freq(gpu);
-	else
-		status->current_frequency = clk_get_rate(gpu->core_clk);
-
+	status->current_frequency = get_freq(gpu);
 	status->busy_time = gpu->funcs->gpu_busy(gpu);
 
 	time = ktime_get();
@@ -59,12 +63,7 @@ static int msm_devfreq_get_dev_status(struct device *dev,
 
 static int msm_devfreq_get_cur_freq(struct device *dev, unsigned long *freq)
 {
-	struct msm_gpu *gpu = dev_to_gpu(dev);
-
-	if (gpu->funcs->gpu_get_freq)
-		*freq = gpu->funcs->gpu_get_freq(gpu);
-	else
-		*freq = clk_get_rate(gpu->core_clk);
+	*freq = get_freq(dev_to_gpu(dev));
 
 	return 0;
 }
-- 
2.31.1