drm/exynos: fix duplicated mutex lock issue (471d60fe) · Commits · 戴 / test

exynos_drm_crtc_dpms function doesn't need mutex lock because mutex lock was called by drm framework so this patch removes mutex lock call from that function to avoid duplicated mutex locking. Signed-off-by:

Inki Dae <inki.dae@samsung.com> Signed-off-by:

Kyungmin Park <kyungmin.park@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_crtc.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -66,7 +66,6 @@ struct exynos_drm_crtc {

		static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
		{
		struct drm_device *dev = crtc->dev;
		struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);

		DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
		@@ -76,12 +75,8 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
		return;
		}

		mutex_lock(&dev->struct_mutex);

		exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
		exynos_crtc->dpms = mode;

		mutex_unlock(&dev->struct_mutex);
		}

		static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)

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