From 1da03408e256435492bd33675aaa703699df37f1 Mon Sep 17 00:00:00 2001 From: Bruce Wang Date: Mon, 24 Sep 2018 12:22:26 -0400 Subject: [PATCH] drm/msm/dpu: Change _dpu_crtc_vblank_enable_no_lock to void Removes redundant tests for _dpu_crtc_vblank_enable_no_lock. Function return type is now void and all function calls have been changed accordingly. Signed-off-by: Bruce Wang Reviewed-by: Sean Paul Signed-off-by: Sean Paul Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 42 ++++++-------------------------- 1 file changed, 7 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index c5373a6..d4530d6 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -771,24 +771,14 @@ end: * _dpu_crtc_vblank_enable_no_lock - update power resource and vblank request * @dpu_crtc: Pointer to dpu crtc structure * @enable: Whether to enable/disable vblanks - * - * @Return: error code */ -static int _dpu_crtc_vblank_enable_no_lock( +static void _dpu_crtc_vblank_enable_no_lock( struct dpu_crtc *dpu_crtc, bool enable) { - struct drm_device *dev; - struct drm_crtc *crtc; + struct drm_crtc *crtc = &dpu_crtc->base; + struct drm_device *dev = crtc->dev; struct drm_encoder *enc; - if (!dpu_crtc) { - DPU_ERROR("invalid crtc\n"); - return -EINVAL; - } - - crtc = &dpu_crtc->base; - dev = crtc->dev; - if (enable) { /* drop lock since power crtc cb may try to re-acquire lock */ mutex_unlock(&dpu_crtc->crtc_lock); @@ -823,8 +813,6 @@ static int _dpu_crtc_vblank_enable_no_lock( pm_runtime_put_sync(dev->dev); mutex_lock(&dpu_crtc->crtc_lock); } - - return 0; } /** @@ -835,7 +823,6 @@ static int _dpu_crtc_vblank_enable_no_lock( static void _dpu_crtc_set_suspend(struct drm_crtc *crtc, bool enable) { struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); - int ret = 0; DRM_DEBUG_KMS("crtc%d suspend = %d\n", crtc->base.id, enable); @@ -850,10 +837,7 @@ static void _dpu_crtc_set_suspend(struct drm_crtc *crtc, bool enable) DPU_DEBUG("crtc%d suspend already set to %d, ignoring update\n", crtc->base.id, enable); else if (dpu_crtc->enabled && dpu_crtc->vblank_requested) { - ret = _dpu_crtc_vblank_enable_no_lock(dpu_crtc, !enable); - if (ret) - DPU_ERROR("%s vblank enable failed: %d\n", - dpu_crtc->name, ret); + _dpu_crtc_vblank_enable_no_lock(dpu_crtc, !enable); } dpu_crtc->suspend = enable; @@ -954,7 +938,6 @@ static void dpu_crtc_disable(struct drm_crtc *crtc) struct drm_display_mode *mode; struct drm_encoder *encoder; struct msm_drm_private *priv; - int ret; unsigned long flags; if (!crtc || !crtc->dev || !crtc->dev->dev_private || !crtc->state) { @@ -985,10 +968,7 @@ static void dpu_crtc_disable(struct drm_crtc *crtc) trace_dpu_crtc_disable(DRMID(crtc), false, dpu_crtc); if (dpu_crtc->enabled && !dpu_crtc->suspend && dpu_crtc->vblank_requested) { - ret = _dpu_crtc_vblank_enable_no_lock(dpu_crtc, false); - if (ret) - DPU_ERROR("%s vblank enable failed: %d\n", - dpu_crtc->name, ret); + _dpu_crtc_vblank_enable_no_lock(dpu_crtc, false); } dpu_crtc->enabled = false; @@ -1034,7 +1014,6 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, struct dpu_crtc *dpu_crtc; struct drm_encoder *encoder; struct msm_drm_private *priv; - int ret; if (!crtc || !crtc->dev || !crtc->dev->dev_private) { DPU_ERROR("invalid crtc\n"); @@ -1056,10 +1035,7 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, trace_dpu_crtc_enable(DRMID(crtc), true, dpu_crtc); if (!dpu_crtc->enabled && !dpu_crtc->suspend && dpu_crtc->vblank_requested) { - ret = _dpu_crtc_vblank_enable_no_lock(dpu_crtc, true); - if (ret) - DPU_ERROR("%s vblank enable failed: %d\n", - dpu_crtc->name, ret); + _dpu_crtc_vblank_enable_no_lock(dpu_crtc, true); } dpu_crtc->enabled = true; @@ -1314,7 +1290,6 @@ end: int dpu_crtc_vblank(struct drm_crtc *crtc, bool en) { struct dpu_crtc *dpu_crtc; - int ret; if (!crtc) { DPU_ERROR("invalid crtc\n"); @@ -1325,10 +1300,7 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en) mutex_lock(&dpu_crtc->crtc_lock); trace_dpu_crtc_vblank(DRMID(&dpu_crtc->base), en, dpu_crtc); if (dpu_crtc->enabled && !dpu_crtc->suspend) { - ret = _dpu_crtc_vblank_enable_no_lock(dpu_crtc, en); - if (ret) - DPU_ERROR("%s vblank enable failed: %d\n", - dpu_crtc->name, ret); + _dpu_crtc_vblank_enable_no_lock(dpu_crtc, en); } dpu_crtc->vblank_requested = en; mutex_unlock(&dpu_crtc->crtc_lock); -- 2.7.4