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drm/msm/dpu: Fix compile warnings 

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>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Hongbo Yao 2019-12-04 13:45:48 +08:00 коммит произвёл Rob Clark
Родитель 09b4138ec2
Коммит 6a523388a2
1 изменённых файлов: 0 добавлений и 18 удалений
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18
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
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@ -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;
@ -430,7 +428,6 @@ 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");
@ -448,7 +445,6 @@ 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);
@ -491,7 +487,6 @@ 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;
@ -513,8 +508,6 @@ 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 {
@ -567,7 +560,6 @@ 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) {
@ -575,7 +567,6 @@ 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);
@ -662,11 +653,9 @@ 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) {
@ -674,7 +663,6 @@ 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) {
@ -693,9 +681,7 @@ 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;
@ -705,8 +691,6 @@ 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);
@ -768,14 +752,12 @@ 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) {
DPU_ERROR("invalid crtc\n");
return;
}
priv = crtc->dev->dev_private;
pm_runtime_get_sync(crtc->dev->dev);