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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
commit682b7c1c8ea8885aa681ddf530d6cf2ad4f2dc15 (patch)
tree882003bb4fc56af816246168f8c85d6dde8c6ed9 /drivers/gpu/drm/nouveau/core/core/event.c
parent16b9057804c02e2d351e9c8f606e909b43cbd9e7 (diff)
parentbc1dfff04a5d4064ba0db1fab13f84ab4f333d2b (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main drm merge window pull request, changes all over the place, mostly normal levels of churn. Highlights: Core drm: More cleanups, fix race on connector/encoder naming, docs updates, object locking rework in prep for atomic modeset i915: mipi DSI support, valleyview power fixes, cursor size fixes, execlist refactoring, vblank improvements, userptr support, OOM handling improvements radeon: GPUVM tuning and large page size support, gart fixes, deep color HDMI support, HDMI audio cleanups nouveau: - displayport rework should fix lots of issues - initial gk20a support - gk110b support - gk208 fixes exynos: probe order fixes, HDMI changes, IPP consolidation msm: debugfs updates, misc fixes ast: ast2400 support, sync with UMS driver tegra: cleanups, hdmi + hw cursor for Tegra 124. panel: fixes existing panels add some new ones. ipuv3: moved from staging to drivers/gpu" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits) drm/nouveau/disp/dp: fix tmds passthrough on dp connector drm/nouveau/dp: probe dpcd to determine connectedness drm/nv50-: trigger update after all connectors disabled drm/nv50-: prepare for attaching a SOR to multiple heads drm/gf119-/disp: fix debug output on update failure drm/nouveau/disp/dp: make use of postcursor when its available drm/g94-/disp/dp: take max pullup value across all lanes drm/nouveau/bios/dp: parse lane postcursor data drm/nouveau/dp: fix support for dpms drm/nouveau: register a drm_dp_aux channel for each dp connector drm/g94-/disp: add method to power-off dp lanes drm/nouveau/disp/dp: maintain link in response to hpd signal drm/g94-/disp: bash and wait for something after changing lane power regs drm/nouveau/disp/dp: split link config/power into two steps drm/nv50/disp: train PIOR-attached DP from second supervisor drm/nouveau/disp/dp: make use of existing output data for link training drm/gf119/disp: start removing direct vbios parsing from supervisor drm/nv50/disp: start removing direct vbios parsing from supervisor drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal drm/nouveau/disp/dp: create subclass for dp outputs ...
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/core/event.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/core/event.c83
1 files changed, 58 insertions, 25 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/event.c b/drivers/gpu/drm/nouveau/core/core/event.c
index 3f3c76581a9e..ae81d3b5d8b7 100644
--- a/drivers/gpu/drm/nouveau/core/core/event.c
+++ b/drivers/gpu/drm/nouveau/core/core/event.c
@@ -28,14 +28,20 @@ nouveau_event_put(struct nouveau_eventh *handler)
{
struct nouveau_event *event = handler->event;
unsigned long flags;
- if (__test_and_clear_bit(NVKM_EVENT_ENABLE, &handler->flags)) {
- spin_lock_irqsave(&event->refs_lock, flags);
- if (!--event->index[handler->index].refs) {
+ u32 m, t;
+
+ if (!__test_and_clear_bit(NVKM_EVENT_ENABLE, &handler->flags))
+ return;
+
+ spin_lock_irqsave(&event->refs_lock, flags);
+ for (m = handler->types; t = __ffs(m), m; m &= ~(1 << t)) {
+ if (!--event->refs[handler->index * event->types_nr + t]) {
if (event->disable)
- event->disable(event, handler->index);
+ event->disable(event, 1 << t, handler->index);
}
- spin_unlock_irqrestore(&event->refs_lock, flags);
+
}
+ spin_unlock_irqrestore(&event->refs_lock, flags);
}
void
@@ -43,14 +49,20 @@ nouveau_event_get(struct nouveau_eventh *handler)
{
struct nouveau_event *event = handler->event;
unsigned long flags;
- if (!__test_and_set_bit(NVKM_EVENT_ENABLE, &handler->flags)) {
- spin_lock_irqsave(&event->refs_lock, flags);
- if (!event->index[handler->index].refs++) {
+ u32 m, t;
+
+ if (__test_and_set_bit(NVKM_EVENT_ENABLE, &handler->flags))
+ return;
+
+ spin_lock_irqsave(&event->refs_lock, flags);
+ for (m = handler->types; t = __ffs(m), m; m &= ~(1 << t)) {
+ if (!event->refs[handler->index * event->types_nr + t]++) {
if (event->enable)
- event->enable(event, handler->index);
+ event->enable(event, 1 << t, handler->index);
}
- spin_unlock_irqrestore(&event->refs_lock, flags);
+
}
+ spin_unlock_irqrestore(&event->refs_lock, flags);
}
static void
@@ -65,38 +77,47 @@ nouveau_event_fini(struct nouveau_eventh *handler)
}
static int
-nouveau_event_init(struct nouveau_event *event, int index,
- int (*func)(void *, int), void *priv,
+nouveau_event_init(struct nouveau_event *event, u32 types, int index,
+ int (*func)(void *, u32, int), void *priv,
struct nouveau_eventh *handler)
{
unsigned long flags;
+ if (types & ~((1 << event->types_nr) - 1))
+ return -EINVAL;
if (index >= event->index_nr)
return -EINVAL;
handler->event = event;
handler->flags = 0;
+ handler->types = types;
handler->index = index;
handler->func = func;
handler->priv = priv;
spin_lock_irqsave(&event->list_lock, flags);
- list_add_tail(&handler->head, &event->index[index].list);
+ list_add_tail(&handler->head, &event->list[index]);
spin_unlock_irqrestore(&event->list_lock, flags);
return 0;
}
int
-nouveau_event_new(struct nouveau_event *event, int index,
- int (*func)(void *, int), void *priv,
+nouveau_event_new(struct nouveau_event *event, u32 types, int index,
+ int (*func)(void *, u32, int), void *priv,
struct nouveau_eventh **phandler)
{
struct nouveau_eventh *handler;
int ret = -ENOMEM;
+ if (event->check) {
+ ret = event->check(event, types, index);
+ if (ret)
+ return ret;
+ }
+
handler = *phandler = kmalloc(sizeof(*handler), GFP_KERNEL);
if (handler) {
- ret = nouveau_event_init(event, index, func, priv, handler);
+ ret = nouveau_event_init(event, types, index, func, priv, handler);
if (ret)
kfree(handler);
}
@@ -116,7 +137,7 @@ nouveau_event_ref(struct nouveau_eventh *handler, struct nouveau_eventh **ref)
}
void
-nouveau_event_trigger(struct nouveau_event *event, int index)
+nouveau_event_trigger(struct nouveau_event *event, u32 types, int index)
{
struct nouveau_eventh *handler;
unsigned long flags;
@@ -125,10 +146,15 @@ nouveau_event_trigger(struct nouveau_event *event, int index)
return;
spin_lock_irqsave(&event->list_lock, flags);
- list_for_each_entry(handler, &event->index[index].list, head) {
- if (test_bit(NVKM_EVENT_ENABLE, &handler->flags) &&
- handler->func(handler->priv, index) == NVKM_EVENT_DROP)
- nouveau_event_put(handler);
+ list_for_each_entry(handler, &event->list[index], head) {
+ if (!test_bit(NVKM_EVENT_ENABLE, &handler->flags))
+ continue;
+ if (!(handler->types & types))
+ continue;
+ if (handler->func(handler->priv, handler->types & types, index)
+ != NVKM_EVENT_DROP)
+ continue;
+ nouveau_event_put(handler);
}
spin_unlock_irqrestore(&event->list_lock, flags);
}
@@ -144,20 +170,27 @@ nouveau_event_destroy(struct nouveau_event **pevent)
}
int
-nouveau_event_create(int index_nr, struct nouveau_event **pevent)
+nouveau_event_create(int types_nr, int index_nr, struct nouveau_event **pevent)
{
struct nouveau_event *event;
int i;
- event = *pevent = kzalloc(sizeof(*event) + index_nr *
- sizeof(event->index[0]), GFP_KERNEL);
+ event = *pevent = kzalloc(sizeof(*event) + (index_nr * types_nr) *
+ sizeof(event->refs[0]), GFP_KERNEL);
if (!event)
return -ENOMEM;
+ event->list = kmalloc(sizeof(*event->list) * index_nr, GFP_KERNEL);
+ if (!event->list) {
+ kfree(event);
+ return -ENOMEM;
+ }
+
spin_lock_init(&event->list_lock);
spin_lock_init(&event->refs_lock);
for (i = 0; i < index_nr; i++)
- INIT_LIST_HEAD(&event->index[i].list);
+ INIT_LIST_HEAD(&event->list[i]);
+ event->types_nr = types_nr;
event->index_nr = index_nr;
return 0;
}