Using the following command will get compile warnings: make W=1 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.o ARCH=arm64

drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘_dpu_crtc_program_lm_output_roi’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:91:19: warning: variable ‘dpu_crtc’ set but not used [-Wunused-but-set-variable] struct dpu_crtc *dpu_crtc; ^~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_atomic_begin’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:428:35: warning: variable ‘smmu_state’ set but not used [-Wunused-but-set-variable] struct dpu_crtc_smmu_state_data *smmu_state; ^~~~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_atomic_flush’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:489:25: warning: variable ‘event_thread’ set but not used [-Wunused-but-set-variable] struct msm_drm_thread *event_thread; ^~~~~~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_destroy_state’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:565:19: warning: variable ‘dpu_crtc’ set but not used [-Wunused-but-set-variable] struct dpu_crtc *dpu_crtc; ^~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_duplicate_state’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:664:19: warning: variable ‘dpu_crtc’ set but not used [-Wunused-but-set-variable] struct dpu_crtc *dpu_crtc; ^~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_disable’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:693:26: warning: variable ‘priv’ set but not used [-Wunused-but-set-variable] struct msm_drm_private *priv; ^~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:691:27: warning: variable ‘mode’ set but not used [-Wunused-but-set-variable] struct drm_display_mode *mode; ^~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_enable’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:766:26: warning: variable ‘priv’ set but not used [-Wunused-but-set-variable] struct msm_drm_private *priv; ^~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function ‘dpu_crtc_init’: drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:1292:18: warning: variable ‘kms’ set but not used [-Wunused-but-set-variable] struct dpu_kms *kms = NULL; ^~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:663: warning: Excess function parameter 'Returns' description in 'dpu_crtc_duplicate_state'

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Hongbo Yao yaohongbo@huawei.com --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 23 ----------------------- 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index ce59adff06aa..00bf35d2ef24 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -88,11 +88,9 @@ static void _dpu_crtc_setup_blend_cfg(struct dpu_crtc_mixer *mixer,

static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc) { - struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *crtc_state; int lm_idx, lm_horiz_position;

- dpu_crtc = to_dpu_crtc(crtc); crtc_state = to_dpu_crtc_state(crtc->state);

lm_horiz_position = 0; @@ -425,7 +423,6 @@ static void dpu_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_encoder *encoder; struct drm_device *dev; unsigned long flags; - struct dpu_crtc_smmu_state_data *smmu_state;

if (!crtc) { DPU_ERROR("invalid crtc\n"); @@ -443,7 +440,6 @@ static void dpu_crtc_atomic_begin(struct drm_crtc *crtc, dpu_crtc = to_dpu_crtc(crtc); cstate = to_dpu_crtc_state(crtc->state); dev = crtc->dev; - smmu_state = &dpu_crtc->smmu_state;

_dpu_crtc_setup_lm_bounds(crtc, crtc->state);

@@ -486,7 +482,6 @@ static void dpu_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_device *dev; struct drm_plane *plane; struct msm_drm_private *priv; - struct msm_drm_thread *event_thread; unsigned long flags; struct dpu_crtc_state *cstate;

@@ -508,8 +503,6 @@ static void dpu_crtc_atomic_flush(struct drm_crtc *crtc, return; }

- event_thread = &priv->event_thread[crtc->index]; - if (dpu_crtc->event) { DPU_DEBUG("already received dpu_crtc->event\n"); } else { @@ -562,7 +555,6 @@ static void dpu_crtc_atomic_flush(struct drm_crtc *crtc, static void dpu_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) { - struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *cstate;

if (!crtc || !state) { @@ -570,7 +562,6 @@ static void dpu_crtc_destroy_state(struct drm_crtc *crtc, return; }

- dpu_crtc = to_dpu_crtc(crtc); cstate = to_dpu_crtc_state(state);

DPU_DEBUG("crtc%d\n", crtc->base.id); @@ -657,11 +648,9 @@ static void dpu_crtc_reset(struct drm_crtc *crtc) /** * dpu_crtc_duplicate_state - state duplicate hook * @crtc: Pointer to drm crtc structure - * @Returns: Pointer to new drm_crtc_state structure */ static struct drm_crtc_state *dpu_crtc_duplicate_state(struct drm_crtc *crtc) { - struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *cstate, *old_cstate;

if (!crtc || !crtc->state) { @@ -669,7 +658,6 @@ static struct drm_crtc_state *dpu_crtc_duplicate_state(struct drm_crtc *crtc) return NULL; }

- dpu_crtc = to_dpu_crtc(crtc); old_cstate = to_dpu_crtc_state(crtc->state); cstate = kmemdup(old_cstate, sizeof(*old_cstate), GFP_KERNEL); if (!cstate) { @@ -688,9 +676,7 @@ static void dpu_crtc_disable(struct drm_crtc *crtc, { struct dpu_crtc *dpu_crtc; struct dpu_crtc_state *cstate; - struct drm_display_mode *mode; struct drm_encoder *encoder; - struct msm_drm_private *priv; unsigned long flags; bool release_bandwidth = false;

@@ -700,8 +686,6 @@ static void dpu_crtc_disable(struct drm_crtc *crtc, } dpu_crtc = to_dpu_crtc(crtc); cstate = to_dpu_crtc_state(crtc->state); - mode = &cstate->base.adjusted_mode; - priv = crtc->dev->dev_private;

DRM_DEBUG_KMS("crtc%d\n", crtc->base.id);

@@ -763,14 +747,12 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, { struct dpu_crtc *dpu_crtc; struct drm_encoder *encoder; - struct msm_drm_private *priv; bool request_bandwidth;

if (!crtc || !crtc->dev || !crtc->dev->dev_private) { DPU_ERROR("invalid crtc\n"); return; } - priv = crtc->dev->dev_private;

pm_runtime_get_sync(crtc->dev->dev);

@@ -1288,13 +1270,8 @@ struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane, { struct drm_crtc *crtc = NULL; struct dpu_crtc *dpu_crtc = NULL; - struct msm_drm_private *priv = NULL; - struct dpu_kms *kms = NULL; int i;

- priv = dev->dev_private; - kms = to_dpu_kms(priv->kms); - dpu_crtc = kzalloc(sizeof(*dpu_crtc), GFP_KERNEL); if (!dpu_crtc) return ERR_PTR(-ENOMEM);