Re: [PATCH v5 09/16] drm/mediatek: Use pm_runtime_resume_and_get for PM get_sync
From: Matthias Brugger <matthias.bgg@gmail.com>
Date: 2021-06-09 13:54:13
Also in:
linux-arm-kernel, linux-devicetree, linux-iommu, lkml
On 10/04/2021 11:11, Yong Wu wrote:
pm_runtime_get_sync will increment pm usage counter even it failed. This patch use pm_runtime_resume_and_get instead of pm_runtime_get to keep usage counter balanced. Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
quoted hunk ↗ jump to hunk
--- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 8b0de90156c6..69d23ce56d2c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c@@ -259,7 +259,7 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc) drm_connector_list_iter_end(&conn_iter); } - ret = pm_runtime_get_sync(crtc->dev->dev); + ret = pm_runtime_resume_and_get(crtc->dev->dev); if (ret < 0) { DRM_ERROR("Failed to enable power domain: %d\n", ret); return ret;
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