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Diffstat (limited to 'drivers/gpu/host1x/hw')
-rw-r--r--drivers/gpu/host1x/hw/cdma_hw.c23
-rw-r--r--drivers/gpu/host1x/hw/channel_hw.c5
-rw-r--r--drivers/gpu/host1x/hw/debug_hw.c36
-rw-r--r--drivers/gpu/host1x/hw/intr_hw.c30
-rw-r--r--drivers/gpu/host1x/hw/syncpt_hw.c10
5 files changed, 61 insertions, 43 deletions
diff --git a/drivers/gpu/host1x/hw/cdma_hw.c b/drivers/gpu/host1x/hw/cdma_hw.c
index 305ea8f33..659c1bbfe 100644
--- a/drivers/gpu/host1x/hw/cdma_hw.c
+++ b/drivers/gpu/host1x/hw/cdma_hw.c
@@ -41,7 +41,7 @@ static void cdma_timeout_cpu_incr(struct host1x_cdma *cdma, u32 getptr,
{
struct host1x *host1x = cdma_to_host1x(cdma);
struct push_buffer *pb = &cdma->push_buffer;
- u32 i;
+ unsigned int i;
for (i = 0; i < syncpt_incrs; i++)
host1x_syncpt_incr(cdma->timeout.syncpt);
@@ -58,6 +58,7 @@ static void cdma_timeout_cpu_incr(struct host1x_cdma *cdma, u32 getptr,
&pb->phys, getptr);
getptr = (getptr + 8) & (pb->size_bytes - 1);
}
+
wmb();
}
@@ -162,12 +163,14 @@ static void cdma_stop(struct host1x_cdma *cdma)
struct host1x_channel *ch = cdma_to_channel(cdma);
mutex_lock(&cdma->lock);
+
if (cdma->running) {
host1x_cdma_wait_locked(cdma, CDMA_EVENT_SYNC_QUEUE_EMPTY);
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
HOST1X_CHANNEL_DMACTRL);
cdma->running = false;
}
+
mutex_unlock(&cdma->lock);
}
@@ -213,11 +216,11 @@ static void cdma_resume(struct host1x_cdma *cdma, u32 getptr)
u32 cmdproc_stop;
dev_dbg(host1x->dev,
- "resuming channel (id %d, DMAGET restart = 0x%x)\n",
+ "resuming channel (id %u, DMAGET restart = 0x%x)\n",
ch->id, getptr);
cmdproc_stop = host1x_sync_readl(host1x, HOST1X_SYNC_CMDPROC_STOP);
- cmdproc_stop &= ~(BIT(ch->id));
+ cmdproc_stop &= ~BIT(ch->id);
host1x_sync_writel(host1x, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
cdma->torndown = false;
@@ -231,14 +234,11 @@ static void cdma_resume(struct host1x_cdma *cdma, u32 getptr)
*/
static void cdma_timeout_handler(struct work_struct *work)
{
+ u32 prev_cmdproc, cmdproc_stop, syncpt_val;
struct host1x_cdma *cdma;
struct host1x *host1x;
struct host1x_channel *ch;
- u32 syncpt_val;
-
- u32 prev_cmdproc, cmdproc_stop;
-
cdma = container_of(to_delayed_work(work), struct host1x_cdma,
timeout.wq);
host1x = cdma_to_host1x(cdma);
@@ -277,9 +277,9 @@ static void cdma_timeout_handler(struct work_struct *work)
return;
}
- dev_warn(host1x->dev, "%s: timeout: %d (%s), HW thresh %d, done %d\n",
- __func__, cdma->timeout.syncpt->id, cdma->timeout.syncpt->name,
- syncpt_val, cdma->timeout.syncpt_val);
+ dev_warn(host1x->dev, "%s: timeout: %u (%s), HW thresh %d, done %d\n",
+ __func__, cdma->timeout.syncpt->id, cdma->timeout.syncpt->name,
+ syncpt_val, cdma->timeout.syncpt_val);
/* stop HW, resetting channel/module */
host1x_hw_cdma_freeze(host1x, cdma);
@@ -291,7 +291,7 @@ static void cdma_timeout_handler(struct work_struct *work)
/*
* Init timeout resources
*/
-static int cdma_timeout_init(struct host1x_cdma *cdma, u32 syncpt_id)
+static int cdma_timeout_init(struct host1x_cdma *cdma, unsigned int syncpt)
{
INIT_DELAYED_WORK(&cdma->timeout.wq, cdma_timeout_handler);
cdma->timeout.initialized = true;
@@ -306,6 +306,7 @@ static void cdma_timeout_destroy(struct host1x_cdma *cdma)
{
if (cdma->timeout.initialized)
cancel_delayed_work(&cdma->timeout.wq);
+
cdma->timeout.initialized = false;
}
diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c
index 946c332c3..5e8df78b7 100644
--- a/drivers/gpu/host1x/hw/channel_hw.c
+++ b/drivers/gpu/host1x/hw/channel_hw.c
@@ -46,6 +46,7 @@ static void trace_write_gather(struct host1x_cdma *cdma, struct host1x_bo *bo,
*/
for (i = 0; i < words; i += TRACE_MAX_LENGTH) {
u32 num_words = min(words - i, TRACE_MAX_LENGTH);
+
offset += i * sizeof(u32);
trace_host1x_cdma_push_gather(dev_name(dev), bo,
@@ -66,6 +67,7 @@ static void submit_gathers(struct host1x_job *job)
struct host1x_job_gather *g = &job->gathers[i];
u32 op1 = host1x_opcode_gather(g->words);
u32 op2 = g->base + g->offset;
+
trace_write_gather(cdma, g->bo, g->offset, op1 & 0xffff);
host1x_cdma_push(cdma, op1, op2);
}
@@ -75,7 +77,8 @@ static inline void synchronize_syncpt_base(struct host1x_job *job)
{
struct host1x *host = dev_get_drvdata(job->channel->dev->parent);
struct host1x_syncpt *sp = host->syncpt + job->syncpt_id;
- u32 id, value;
+ unsigned int id;
+ u32 value;
value = host1x_syncpt_read_max(sp);
id = sp->base->id;
diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c
index cc3f1825c..7a4a3286e 100644
--- a/drivers/gpu/host1x/hw/debug_hw.c
+++ b/drivers/gpu/host1x/hw/debug_hw.c
@@ -40,8 +40,7 @@ enum {
static unsigned int show_channel_command(struct output *o, u32 val)
{
- unsigned mask;
- unsigned subop;
+ unsigned int mask, subop;
switch (val >> 28) {
case HOST1X_OPCODE_SETCLASS:
@@ -51,12 +50,11 @@ static unsigned int show_channel_command(struct output *o, u32 val)
val >> 6 & 0x3ff,
val >> 16 & 0xfff, mask);
return hweight8(mask);
- } else {
- host1x_debug_output(o, "SETCL(class=%03x)\n",
- val >> 6 & 0x3ff);
- return 0;
}
+ host1x_debug_output(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff);
+ return 0;
+
case HOST1X_OPCODE_INCR:
host1x_debug_output(o, "INCR(offset=%03x, [",
val >> 16 & 0xfff);
@@ -143,7 +141,8 @@ static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
struct host1x_job *job;
list_for_each_entry(job, &cdma->sync_queue, list) {
- int i;
+ unsigned int i;
+
host1x_debug_output(o, "\n%p: JOB, syncpt_id=%d, syncpt_val=%d, first_get=%08x, timeout=%d num_slots=%d, num_handles=%d\n",
job, job->syncpt_id, job->syncpt_end,
job->first_get, job->timeout,
@@ -190,7 +189,7 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
cbread = host1x_sync_readl(host, HOST1X_SYNC_CBREAD(ch->id));
cbstat = host1x_sync_readl(host, HOST1X_SYNC_CBSTAT(ch->id));
- host1x_debug_output(o, "%d-%s: ", ch->id, dev_name(ch->dev));
+ host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
if (HOST1X_CHANNEL_DMACTRL_DMASTOP_V(dmactrl) ||
!ch->cdma.push_buffer.mapped) {
@@ -200,14 +199,13 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == HOST1X_CLASS_HOST1X &&
HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
- HOST1X_UCLASS_WAIT_SYNCPT)
+ HOST1X_UCLASS_WAIT_SYNCPT)
host1x_debug_output(o, "waiting on syncpt %d val %d\n",
cbread >> 24, cbread & 0xffffff);
else if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) ==
- HOST1X_CLASS_HOST1X &&
- HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
- HOST1X_UCLASS_WAIT_SYNCPT_BASE) {
-
+ HOST1X_CLASS_HOST1X &&
+ HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
+ HOST1X_UCLASS_WAIT_SYNCPT_BASE) {
base = (cbread >> 16) & 0xff;
baseval =
host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(base));
@@ -236,7 +234,7 @@ static void host1x_debug_show_channel_fifo(struct host1x *host,
u32 val, rd_ptr, wr_ptr, start, end;
unsigned int data_count = 0;
- host1x_debug_output(o, "%d: fifo:\n", ch->id);
+ host1x_debug_output(o, "%u: fifo:\n", ch->id);
val = host1x_ch_readl(ch, HOST1X_CHANNEL_FIFOSTAT);
host1x_debug_output(o, "FIFOSTAT %08x\n", val);
@@ -290,20 +288,22 @@ static void host1x_debug_show_channel_fifo(struct host1x *host,
static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
{
- int i;
+ unsigned int i;
host1x_debug_output(o, "---- mlocks ----\n");
+
for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
u32 owner =
host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
- host1x_debug_output(o, "%d: locked by channel %d\n",
+ host1x_debug_output(o, "%u: locked by channel %u\n",
i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner));
else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
- host1x_debug_output(o, "%d: locked by cpu\n", i);
+ host1x_debug_output(o, "%u: locked by cpu\n", i);
else
- host1x_debug_output(o, "%d: unlocked\n", i);
+ host1x_debug_output(o, "%u: unlocked\n", i);
}
+
host1x_debug_output(o, "\n");
}
diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c
index e1e31e9e6..dacb8009a 100644
--- a/drivers/gpu/host1x/hw/intr_hw.c
+++ b/drivers/gpu/host1x/hw/intr_hw.c
@@ -38,14 +38,14 @@ static void host1x_intr_syncpt_handle(struct host1x_syncpt *syncpt)
host1x_sync_writel(host, BIT_MASK(id),
HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(BIT_WORD(id)));
- queue_work(host->intr_wq, &syncpt->intr.work);
+ schedule_work(&syncpt->intr.work);
}
static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
{
struct host1x *host = dev_id;
unsigned long reg;
- int i, id;
+ unsigned int i, id;
for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); i++) {
reg = host1x_sync_readl(host,
@@ -62,7 +62,7 @@ static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id)
static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
{
- u32 i;
+ unsigned int i;
for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); ++i) {
host1x_sync_writel(host, 0xffffffffu,
@@ -72,10 +72,12 @@ static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
}
}
-static int _host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
- void (*syncpt_thresh_work)(struct work_struct *))
+static int
+_host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
+ void (*syncpt_thresh_work)(struct work_struct *))
{
- int i, err;
+ unsigned int i;
+ int err;
host1x_hw_intr_disable_all_syncpt_intrs(host);
@@ -106,18 +108,21 @@ static int _host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
}
static void _host1x_intr_set_syncpt_threshold(struct host1x *host,
- u32 id, u32 thresh)
+ unsigned int id,
+ u32 thresh)
{
host1x_sync_writel(host, thresh, HOST1X_SYNC_SYNCPT_INT_THRESH(id));
}
-static void _host1x_intr_enable_syncpt_intr(struct host1x *host, u32 id)
+static void _host1x_intr_enable_syncpt_intr(struct host1x *host,
+ unsigned int id)
{
host1x_sync_writel(host, BIT_MASK(id),
HOST1X_SYNC_SYNCPT_THRESH_INT_ENABLE_CPU0(BIT_WORD(id)));
}
-static void _host1x_intr_disable_syncpt_intr(struct host1x *host, u32 id)
+static void _host1x_intr_disable_syncpt_intr(struct host1x *host,
+ unsigned int id)
{
host1x_sync_writel(host, BIT_MASK(id),
HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(BIT_WORD(id)));
@@ -127,8 +132,13 @@ static void _host1x_intr_disable_syncpt_intr(struct host1x *host, u32 id)
static int _host1x_free_syncpt_irq(struct host1x *host)
{
+ unsigned int i;
+
devm_free_irq(host->dev, host->intr_syncpt_irq, host);
- flush_workqueue(host->intr_wq);
+
+ for (i = 0; i < host->info->nb_pts; i++)
+ cancel_work_sync(&host->syncpt[i].intr.work);
+
return 0;
}
diff --git a/drivers/gpu/host1x/hw/syncpt_hw.c b/drivers/gpu/host1x/hw/syncpt_hw.c
index 56e85395a..c93f74fcc 100644
--- a/drivers/gpu/host1x/hw/syncpt_hw.c
+++ b/drivers/gpu/host1x/hw/syncpt_hw.c
@@ -26,8 +26,9 @@
*/
static void syncpt_restore(struct host1x_syncpt *sp)
{
+ u32 min = host1x_syncpt_read_min(sp);
struct host1x *host = sp->host;
- int min = host1x_syncpt_read_min(sp);
+
host1x_sync_writel(host, min, HOST1X_SYNC_SYNCPT(sp->id));
}
@@ -37,6 +38,7 @@ static void syncpt_restore(struct host1x_syncpt *sp)
static void syncpt_restore_wait_base(struct host1x_syncpt *sp)
{
struct host1x *host = sp->host;
+
host1x_sync_writel(host, sp->base_val,
HOST1X_SYNC_SYNCPT_BASE(sp->id));
}
@@ -47,6 +49,7 @@ static void syncpt_restore_wait_base(struct host1x_syncpt *sp)
static void syncpt_read_wait_base(struct host1x_syncpt *sp)
{
struct host1x *host = sp->host;
+
sp->base_val =
host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(sp->id));
}
@@ -85,6 +88,7 @@ static int syncpt_cpu_incr(struct host1x_syncpt *sp)
if (!host1x_syncpt_client_managed(sp) &&
host1x_syncpt_idle(sp))
return -EINVAL;
+
host1x_sync_writel(host, BIT_MASK(sp->id),
HOST1X_SYNC_SYNCPT_CPU_INCR(reg_offset));
wmb();
@@ -95,10 +99,10 @@ static int syncpt_cpu_incr(struct host1x_syncpt *sp)
/* remove a wait pointed to by patch_addr */
static int syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr)
{
- u32 override = host1x_class_host_wait_syncpt(
- HOST1X_SYNCPT_RESERVED, 0);
+ u32 override = host1x_class_host_wait_syncpt(HOST1X_SYNCPT_RESERVED, 0);
*((u32 *)patch_addr) = override;
+
return 0;
}