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WSL2-Linux-Kernel
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drm/msm/mdp5: remove global mdp5_ctl_mgr 

A bit cleaner.. and won't resulting in an attempt to kfree() a static
global in unload path.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-11-18 17:22:51 -05:00
Родитель 42238da8b1
Коммит 32c0e3e24c
1 изменённых файлов: 16 добавлений и 10 удалений
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26
drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c
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@ -34,6 +34,8 @@
*/
struct mdp5_ctl {
struct mdp5_ctl_manager *ctlm;
u32 id;
/* whether this CTL has been allocated or not: */
@ -66,8 +68,6 @@ struct mdp5_ctl_manager {
struct mdp5_ctl ctls[MAX_CTL];
};
static struct mdp5_ctl_manager mdp5_ctl_mgr;
static inline
struct mdp5_kms *get_kms(struct mdp5_ctl_manager *ctl_mgr)
{
@ -79,8 +79,7 @@ struct mdp5_kms *get_kms(struct mdp5_ctl_manager *ctl_mgr)
static inline
void ctl_write(struct mdp5_ctl *ctl, u32 reg, u32 data)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_kms *mdp5_kms = get_kms(ctl_mgr);
struct mdp5_kms *mdp5_kms = get_kms(ctl->ctlm);
(void)ctl->reg_offset; /* TODO use this instead of mdp5_write */
mdp5_write(mdp5_kms, reg, data);
@ -89,8 +88,7 @@ void ctl_write(struct mdp5_ctl *ctl, u32 reg, u32 data)
static inline
u32 ctl_read(struct mdp5_ctl *ctl, u32 reg)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_kms *mdp5_kms = get_kms(ctl_mgr);
struct mdp5_kms *mdp5_kms = get_kms(ctl->ctlm);
(void)ctl->reg_offset; /* TODO use this instead of mdp5_write */
return mdp5_read(mdp5_kms, reg);
@ -115,7 +113,7 @@ int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, enum mdp5_intf intf)
int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, bool enable)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_ctl_manager *ctl_mgr = ctl->ctlm;
unsigned long flags;
u32 blend_cfg;
int lm;
@ -164,7 +162,7 @@ int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg)
int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_ctl_manager *ctl_mgr = ctl->ctlm;
unsigned long flags;
if (flush_mask & MDP5_CTL_FLUSH_CURSOR_DUMMY) {
@ -194,7 +192,7 @@ u32 mdp5_ctl_get_flush(struct mdp5_ctl *ctl)
void mdp5_ctl_release(struct mdp5_ctl *ctl)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_ctl_manager *ctl_mgr = ctl->ctlm;
unsigned long flags;
if (unlikely(WARN_ON(ctl->id >= MAX_CTL) || !ctl->busy)) {
@ -268,11 +266,18 @@ void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctl_mgr)
struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg)
{
struct mdp5_ctl_manager *ctl_mgr = &mdp5_ctl_mgr;
struct mdp5_ctl_manager *ctl_mgr;
const struct mdp5_sub_block *ctl_cfg = &hw_cfg->ctl;
unsigned long flags;
int c, ret;
ctl_mgr = kzalloc(sizeof(*ctl_mgr), GFP_KERNEL);
if (!ctl_mgr) {
dev_err(dev->dev, "failed to allocate CTL manager\n");
ret = -ENOMEM;
goto fail;
}
if (unlikely(WARN_ON(ctl_cfg->count > MAX_CTL))) {
dev_err(dev->dev, "Increase static pool size to at least %d\n",
ctl_cfg->count);
@ -296,6 +301,7 @@ struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
ret = -EINVAL;
goto fail;
}
ctl->ctlm = ctl_mgr;
ctl->id = c;
ctl->mode = MODE_NONE;
ctl->reg_offset = ctl_cfg->base[c];