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authorRob Clark <robdclark@chromium.org>2023-01-11 02:14:42 +0300
committerRob Clark <robdclark@chromium.org>2023-01-16 21:40:18 +0300
commit6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544 (patch)
treeb7bb7cc645d7e1ab6c3450e92c5a2bebe77f5a5e /drivers/gpu/drm/msm/msm_gpu_devfreq.c
parent3cba4a2cdff3afe0b057fa4ab200598d3b41d09a (diff)
downloadlinux-6563f60f14cbb3dcbdc4e1d8469fc0fbaaa80544.tar.xz
drm/msm/gpu: Add devfreq tuning debugfs
Make the handful of tuning knobs available visible via debugfs. v2: select DEVFREQ_GOV_SIMPLE_ONDEMAND because for some reason struct devfreq_simple_ondemand_data depends on this Signed-off-by: Rob Clark <robdclark@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/517784/ Link: https://lore.kernel.org/r/20230110231447.1939101-2-robdclark@gmail.com Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu_devfreq.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gpu_devfreq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
index 85c443a37e4e..1f4e2dd8e76d 100644
--- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c
+++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
@@ -183,6 +183,7 @@ static bool has_devfreq(struct msm_gpu *gpu)
void msm_devfreq_init(struct msm_gpu *gpu)
{
struct msm_gpu_devfreq *df = &gpu->devfreq;
+ struct msm_drm_private *priv = gpu->dev->dev_private;
/* We need target support to do devfreq */
if (!gpu->funcs->gpu_busy)
@@ -209,7 +210,7 @@ void msm_devfreq_init(struct msm_gpu *gpu)
df->devfreq = devm_devfreq_add_device(&gpu->pdev->dev,
&msm_devfreq_profile, DEVFREQ_GOV_SIMPLE_ONDEMAND,
- NULL);
+ &priv->gpu_devfreq_config);
if (IS_ERR(df->devfreq)) {
DRM_DEV_ERROR(&gpu->pdev->dev, "Couldn't initialize GPU devfreq\n");
@@ -358,10 +359,11 @@ static void msm_devfreq_idle_work(struct kthread_work *work)
struct msm_gpu_devfreq *df = container_of(work,
struct msm_gpu_devfreq, idle_work.work);
struct msm_gpu *gpu = container_of(df, struct msm_gpu, devfreq);
+ struct msm_drm_private *priv = gpu->dev->dev_private;
df->idle_time = ktime_get();
- if (gpu->clamp_to_idle)
+ if (priv->gpu_clamp_to_idle)
dev_pm_qos_update_request(&df->idle_freq, 0);
}