From 8aa99dd3762b67e6555a9f3ef015989bbace39a5 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Thu, 28 Aug 2014 11:07:34 +0200 Subject: [PATCH] drm/exynos/ipp: stop hardware before freeing memory Memory shouldn't be freed when hardware is still running. Signed-off-by: Andrzej Hajda Reviewed-by: Joonyoung Shim Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_ipp.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index fff3509f7b97..341db52e3939 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -1282,12 +1282,15 @@ static int ipp_stop_property(struct drm_device *drm_dev, struct drm_exynos_ipp_cmd_node *c_node) { struct drm_exynos_ipp_property *property = &c_node->property; - int ret = 0, i; + int i; DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id); /* put event */ ipp_put_event(c_node, NULL); + /* stop operations */ + if (ippdrv->stop) + ippdrv->stop(ippdrv->dev, property->cmd); /* check command */ switch (property->cmd) { @@ -1303,16 +1306,10 @@ static int ipp_stop_property(struct drm_device *drm_dev, break; default: DRM_ERROR("invalid operations.\n"); - ret = -EINVAL; - goto err_clear; + return -EINVAL; } -err_clear: - /* stop operations */ - if (ippdrv->stop) - ippdrv->stop(ippdrv->dev, property->cmd); - - return ret; + return 0; } void ipp_sched_cmd(struct work_struct *work) -- 2.20.1