static void
adreno_ringbuffer_waitspace(struct adreno_ringbuffer *rb, unsigned int numcmds,
int wptr_ahead)
{
int nopcount;
unsigned int freecmds;
unsigned int *cmds;
uint cmds_gpu;
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned long wait_timeout = msecs_to_jiffies(adreno_dev->wait_timeout);
unsigned long wait_time;
/* if wptr ahead, fill the remaining with NOPs */
if (wptr_ahead) {
/* -1 for header */
nopcount = rb->sizedwords - rb->wptr - 1;
cmds = (unsigned int *)rb->buffer_desc.hostptr + rb->wptr;
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*rb->wptr;
GSL_RB_WRITE(cmds, cmds_gpu, cp_nop_packet(nopcount));
/* Make sure that rptr is not 0 before submitting
* commands at the end of ringbuffer. We do not
* want the rptr and wptr to become equal when
* the ringbuffer is not empty */
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
} while (!rb->rptr);
rb->wptr++;
adreno_ringbuffer_submit(rb);
rb->wptr = 0;
}
wait_time = jiffies + wait_timeout;
/* wait for space in ringbuffer */
while (1) {
GSL_RB_GET_READPTR(rb, &rb->rptr);
freecmds = rb->rptr - rb->wptr;
if (freecmds == 0 || freecmds > numcmds)
break;
if (time_after(jiffies, wait_time)) {
KGSL_DRV_ERR(rb->device,
"Timed out while waiting for freespace in ringbuffer "
"rptr: 0x%x, wptr: 0x%x\n", rb->rptr, rb->wptr);
if (!adreno_dump_and_recover(rb->device))
wait_time = jiffies + wait_timeout;
else
/* GPU is hung and we cannot recover */
BUG();
}
}
}
static int
kgsl_ringbuffer_waitspace(struct kgsl_ringbuffer *rb, unsigned int numcmds,
int wptr_ahead)
{
int nopcount;
unsigned int freecmds;
unsigned int *cmds;
uint cmds_gpu;
KGSL_CMD_VDBG("enter (rb=%p, numcmds=%d, wptr_ahead=%d)\n",
rb, numcmds, wptr_ahead);
/* if wptr ahead, fill the remaining with NOPs */
if (wptr_ahead) {
/* -1 for header */
nopcount = rb->sizedwords - rb->wptr - 1;
cmds = (unsigned int *)rb->buffer_desc.hostptr + rb->wptr;
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*rb->wptr;
GSL_RB_WRITE(cmds, cmds_gpu, pm4_nop_packet(nopcount));
/* Make sure that rptr is not 0 before submitting
* commands at the end of ringbuffer. We do not
* want the rptr and wptr to become equal when
* the ringbuffer is not empty */
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
} while (!rb->rptr);
rb->wptr++;
kgsl_ringbuffer_submit(rb);
rb->wptr = 0;
}
/* wait for space in ringbuffer */
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
freecmds = rb->rptr - rb->wptr;
} while ((freecmds != 0) && (freecmds <= numcmds));
KGSL_CMD_VDBG("return %d\n", 0);
return 0;
}
static int
kgsl_ringbuffer_waitspace(struct kgsl_ringbuffer *rb, unsigned int numcmds,
int wptr_ahead)
{
int nopcount;
unsigned int freecmds;
unsigned int *cmds;
KGSL_CMD_VDBG("enter (rb=%p, numcmds=%d, wptr_ahead=%d)\n",
rb, numcmds, wptr_ahead);
if (wptr_ahead) {
nopcount = rb->sizedwords - rb->wptr - 1;
cmds = (unsigned int *)rb->buffer_desc.hostptr + rb->wptr;
GSL_RB_WRITE(cmds, pm4_nop_packet(nopcount));
rb->wptr++;
kgsl_ringbuffer_submit(rb);
rb->wptr = 0;
}
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
freecmds = rb->rptr - rb->wptr;
} while ((freecmds != 0) && (freecmds < numcmds));
KGSL_CMD_VDBG("return %d\n", 0);
return 0;
}
static uint32_t
adreno_ringbuffer_addcmds(struct adreno_ringbuffer *rb,
struct adreno_context *context,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords;
unsigned int i;
unsigned int rcmd_gpu;
unsigned int context_id = KGSL_MEMSTORE_GLOBAL;
unsigned int gpuaddr = rb->device->memstore.gpuaddr;
if (context != NULL) {
/*
* if the context was not created with per context timestamp
* support, we must use the global timestamp since issueibcmds
* will be returning that one.
*/
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS)
context_id = context->id;
}
/* reserve space to temporarily turn off protected mode
* error checking if needed
*/
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD) ? 2 : 0;
if (adreno_is_a3xx(adreno_dev))
total_sizedwords += 7;
total_sizedwords += 2; /* scratchpad ts for recovery */
if (context) {
total_sizedwords += 3; /* sop timestamp */
total_sizedwords += 4; /* eop timestamp */
total_sizedwords += 3; /* global timestamp without cache
* flush for non-zero context */
} else {
total_sizedwords += 4; /* global timestamp for recovery*/
}
ringcmds = adreno_ringbuffer_allocspace(rb, total_sizedwords);
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
if (!(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* disable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* re-enable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
/* always increment the global timestamp. once. */
rb->timestamp[KGSL_MEMSTORE_GLOBAL]++;
if (context) {
if (context_id == KGSL_MEMSTORE_GLOBAL)
rb->timestamp[context_id] =
rb->timestamp[KGSL_MEMSTORE_GLOBAL];
else
rb->timestamp[context_id]++;
}
timestamp = rb->timestamp[context_id];
/* scratchpad ts for recovery */
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
if (adreno_is_a3xx(adreno_dev)) {
/*
* FLush HLSQ lazy updates to make sure there are no
* rsources pending for indirect loads after the timestamp
*/
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x07); /* HLSQ_FLUSH */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_WAIT_FOR_IDLE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x00);
}
if (context) {
/* start-of-pipeline timestamp */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, soptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
/* end-of-pipeline timestamp */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
} else {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
}
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
/* Conditional execution based on memory values */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
/* # of conditional command DWORDs */
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
static void
adreno_ringbuffer_waitspace(struct adreno_ringbuffer *rb, unsigned int numcmds,
int wptr_ahead)
{
int nopcount;
unsigned int freecmds;
unsigned int *cmds;
uint cmds_gpu;
unsigned long wait_time;
unsigned long wait_timeout = msecs_to_jiffies(ADRENO_IDLE_TIMEOUT);
unsigned long wait_time_part;
unsigned int prev_reg_val[hang_detect_regs_count];
memset(prev_reg_val, 0, sizeof(prev_reg_val));
/* if wptr ahead, fill the remaining with NOPs */
if (wptr_ahead) {
/* -1 for header */
nopcount = rb->sizedwords - rb->wptr - 1;
cmds = (unsigned int *)rb->buffer_desc.hostptr + rb->wptr;
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*rb->wptr;
GSL_RB_WRITE(cmds, cmds_gpu, cp_nop_packet(nopcount));
/* Make sure that rptr is not 0 before submitting
* commands at the end of ringbuffer. We do not
* want the rptr and wptr to become equal when
* the ringbuffer is not empty */
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
} while (!rb->rptr);
rb->wptr++;
adreno_ringbuffer_submit(rb);
rb->wptr = 0;
}
wait_time = jiffies + wait_timeout;
wait_time_part = jiffies + msecs_to_jiffies(KGSL_TIMEOUT_PART);
/* wait for space in ringbuffer */
while (1) {
GSL_RB_GET_READPTR(rb, &rb->rptr);
freecmds = rb->rptr - rb->wptr;
if (freecmds == 0 || freecmds > numcmds)
break;
/* Dont wait for timeout, detect hang faster.
*/
if (time_after(jiffies, wait_time_part)) {
wait_time_part = jiffies +
msecs_to_jiffies(KGSL_TIMEOUT_PART);
if ((adreno_hang_detect(rb->device,
prev_reg_val))){
KGSL_DRV_ERR(rb->device,
"Hang detected while waiting for freespace in"
"ringbuffer rptr: 0x%x, wptr: 0x%x\n",
rb->rptr, rb->wptr);
goto err;
}
}
if (time_after(jiffies, wait_time)) {
KGSL_DRV_ERR(rb->device,
"Timed out while waiting for freespace in ringbuffer "
"rptr: 0x%x, wptr: 0x%x\n", rb->rptr, rb->wptr);
goto err;
}
continue;
err:
if (!adreno_dump_and_recover(rb->device))
wait_time = jiffies + wait_timeout;
else
/* GPU is hung and we cannot recover */
BUG();
}
}
static uint32_t
adreno_ringbuffer_addcmds(struct adreno_ringbuffer *rb,
struct adreno_context *context,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords;
unsigned int i;
unsigned int rcmd_gpu;
unsigned int context_id = KGSL_MEMSTORE_GLOBAL;
unsigned int gpuaddr = rb->device->memstore.gpuaddr;
/*
* if the context was not created with per context timestamp
* support, we must use the global timestamp since issueibcmds
* will be returning that one.
*/
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS)
context_id = context->id;
/* reserve space to temporarily turn off protected mode
* error checking if needed
*/
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
/* 2 dwords to store the start of command sequence */
total_sizedwords += 2;
if (adreno_is_a2xx(adreno_dev))
total_sizedwords += 2; /* CP_WAIT_FOR_IDLE */
total_sizedwords += 2; /* scratchpad ts for recovery */
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) {
total_sizedwords += 3; /* sop timestamp */
total_sizedwords += 4; /* eop timestamp */
total_sizedwords += 3; /* global timestamp without cache
* flush for non-zero context */
} else {
total_sizedwords += 4; /* global timestamp for recovery*/
}
ringcmds = adreno_ringbuffer_allocspace(rb, total_sizedwords);
/* GPU may hang during space allocation, if thats the case the current
* context may have hung the GPU */
if (context->flags & CTXT_FLAGS_GPU_HANG) {
KGSL_CTXT_WARN(rb->device,
"Context %p caused a gpu hang. Will not accept commands for context %d\n",
context, context->id);
return rb->timestamp[context_id];
}
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* disable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* re-enable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
/* always increment the global timestamp. once. */
rb->timestamp[KGSL_MEMSTORE_GLOBAL]++;
if (context) {
if (context_id == KGSL_MEMSTORE_GLOBAL)
rb->timestamp[context_id] =
rb->timestamp[KGSL_MEMSTORE_GLOBAL];
else
rb->timestamp[context_id]++;
}
timestamp = rb->timestamp[context_id];
/* HW Workaround for MMU Page fault
* due to memory getting free early before
* GPU completes it.
*/
if (adreno_is_a2xx(adreno_dev)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_WAIT_FOR_IDLE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x00);
}
/* scratchpad ts for recovery */
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) {
/* start-of-pipeline timestamp */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, soptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
/* end-of-pipeline timestamp */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
} else {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
}
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
/* Conditional execution based on memory values */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
/* # of conditional command DWORDs */
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
static uint32_t
adreno_ringbuffer_addcmds(struct adreno_ringbuffer *rb,
struct adreno_context *context,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords + 6;
unsigned int i;
unsigned int rcmd_gpu;
/* reserve space to temporarily turn off protected mode
* error checking if needed
*/
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
/* 2 dwords to store the start of command sequence */
total_sizedwords += 2;
if (adreno_is_a2xx(adreno_dev))
total_sizedwords += 2; /* CP_WAIT_FOR_IDLE */
if (adreno_is_a20x(adreno_dev))
total_sizedwords += 2; /* CACHE_FLUSH */
ringcmds = adreno_ringbuffer_allocspace(rb, total_sizedwords);
/* GPU may hang during space allocation, if thats the case the current
* context may have hung the GPU */
if (context && context->flags & CTXT_FLAGS_GPU_HANG) {
KGSL_CTXT_WARN(rb->device,
"Context %p caused a gpu hang. Will not accept commands for context %d\n",
context, context->id);
return rb->timestamp;
}
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* disable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* re-enable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
rb->timestamp++;
timestamp = rb->timestamp;
/* HW Workaround for MMU Page fault
* due to memory getting free early before
* GPU completes it.
*/
if (adreno_is_a2xx(adreno_dev)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_WAIT_FOR_IDLE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x00);
}
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
(rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
if (adreno_is_a20x(adreno_dev)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH);
}
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
/* Conditional execution based on memory values */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
/* # of conditional command DWORDs */
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
int adreno_ringbuffer_start(struct adreno_ringbuffer *rb, unsigned int init_ram)
{
int status;
/*cp_rb_cntl_u cp_rb_cntl; */
union reg_cp_rb_cntl cp_rb_cntl;
unsigned int *cmds, rb_cntl;
struct kgsl_device *device = rb->device;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
uint cmds_gpu;
if (rb->flags & KGSL_FLAGS_STARTED)
return 0;
if (init_ram) {
rb->timestamp = 0;
GSL_RB_INIT_TIMESTAMP(rb);
}
kgsl_sharedmem_set(&rb->memptrs_desc, 0, 0,
sizeof(struct kgsl_rbmemptrs));
kgsl_sharedmem_set(&rb->buffer_desc, 0, 0xAA,
(rb->sizedwords << 2));
adreno_regwrite(device, REG_CP_RB_WPTR_BASE,
(rb->memptrs_desc.gpuaddr
+ GSL_RB_MEMPTRS_WPTRPOLL_OFFSET));
/* setup WPTR delay */
adreno_regwrite(device, REG_CP_RB_WPTR_DELAY, 0 /*0x70000010 */);
/*setup REG_CP_RB_CNTL */
adreno_regread(device, REG_CP_RB_CNTL, &rb_cntl);
cp_rb_cntl.val = rb_cntl;
/*
* The size of the ringbuffer in the hardware is the log2
* representation of the size in quadwords (sizedwords / 2)
*/
cp_rb_cntl.f.rb_bufsz = ilog2(rb->sizedwords >> 1);
/*
* Specify the quadwords to read before updating mem RPTR.
* Like above, pass the log2 representation of the blocksize
* in quadwords.
*/
cp_rb_cntl.f.rb_blksz = ilog2(KGSL_RB_BLKSIZE >> 3);
cp_rb_cntl.f.rb_poll_en = GSL_RB_CNTL_POLL_EN; /* WPTR polling */
/* mem RPTR writebacks */
cp_rb_cntl.f.rb_no_update = GSL_RB_CNTL_NO_UPDATE;
adreno_regwrite(device, REG_CP_RB_CNTL, cp_rb_cntl.val);
adreno_regwrite(device, REG_CP_RB_BASE, rb->buffer_desc.gpuaddr);
adreno_regwrite(device, REG_CP_RB_RPTR_ADDR,
rb->memptrs_desc.gpuaddr +
GSL_RB_MEMPTRS_RPTR_OFFSET);
/* explicitly clear all cp interrupts */
adreno_regwrite(device, REG_CP_INT_ACK, 0xFFFFFFFF);
/* setup scratch/timestamp */
adreno_regwrite(device, REG_SCRATCH_ADDR,
device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(soptimestamp));
adreno_regwrite(device, REG_SCRATCH_UMSK,
GSL_RB_MEMPTRS_SCRATCH_MASK);
/* update the eoptimestamp field with the last retired timestamp */
kgsl_sharedmem_writel(&device->memstore,
KGSL_DEVICE_MEMSTORE_OFFSET(eoptimestamp),
rb->timestamp);
/* load the CP ucode */
status = adreno_ringbuffer_load_pm4_ucode(device);
if (status != 0)
return status;
/* load the prefetch parser ucode */
status = adreno_ringbuffer_load_pfp_ucode(device);
if (status != 0)
return status;
adreno_regwrite(device, REG_CP_QUEUE_THRESHOLDS, 0x000C0804);
rb->rptr = 0;
rb->wptr = 0;
/* clear ME_HALT to start micro engine */
adreno_regwrite(device, REG_CP_ME_CNTL, 0);
/* ME_INIT */
cmds = adreno_ringbuffer_allocspace(rb, 19);
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*(rb->wptr-19);
GSL_RB_WRITE(cmds, cmds_gpu, CP_HDR_ME_INIT);
/* All fields present (bits 9:0) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x000003ff);
/* Disable/Enable Real-Time Stream processing (present but ignored) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Enable (2D <-> 3D) implicit synchronization (present but ignored) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_RB_SURFACE_INFO));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_PA_SC_WINDOW_OFFSET));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_VGT_MAX_VTX_INDX));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_SQ_PROGRAM_CNTL));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_RB_DEPTHCONTROL));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_PA_SU_POINT_SIZE));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_PA_SC_LINE_CNTL));
GSL_RB_WRITE(cmds, cmds_gpu,
SUBBLOCK_OFFSET(REG_PA_SU_POLY_OFFSET_FRONT_SCALE));
/* Instruction memory size: */
GSL_RB_WRITE(cmds, cmds_gpu,
(adreno_encode_istore_size(adreno_dev)
| adreno_dev->pix_shader_start));
/* Maximum Contexts */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000001);
/* Write Confirm Interval and The CP will wait the
* wait_interval * 16 clocks between polling */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* NQ and External Memory Swap */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Protected mode error checking */
GSL_RB_WRITE(cmds, cmds_gpu, GSL_RB_PROTECTED_MODE_CONTROL);
/* Disable header dumping and Header dump address */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Header dump size */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
adreno_ringbuffer_submit(rb);
/* idle device to validate ME INIT */
status = adreno_idle(device);
if (status == 0)
rb->flags |= KGSL_FLAGS_STARTED;
return status;
}
static uint32_t
kgsl_ringbuffer_addcmds(struct kgsl_ringbuffer *rb,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords + 6;
unsigned int i;
unsigned int rcmd_gpu;
/* reserve space to temporarily turn off protected mode
* error checking if needed
*/
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD) ? 2 : 0;
ringcmds = kgsl_ringbuffer_allocspace(rb, total_sizedwords);
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
if (!(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, pm4_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* disable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
pm4_type3_packet(PM4_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* re-enable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
pm4_type3_packet(PM4_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
rb->timestamp++;
timestamp = rb->timestamp;
/* start-of-pipeline and end-of-pipeline timestamps */
GSL_RB_WRITE(ringcmds, rcmd_gpu, pm4_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu, pm4_type3_packet(PM4_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
(rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
/* Conditional execution based on memory values */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
pm4_type3_packet(PM4_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
/* # of conditional command DWORDs */
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
pm4_type3_packet(PM4_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
int kgsl_ringbuffer_start(struct kgsl_ringbuffer *rb, unsigned int init_ram)
{
int status;
/*cp_rb_cntl_u cp_rb_cntl; */
union reg_cp_rb_cntl cp_rb_cntl;
unsigned int *cmds, rb_cntl;
struct kgsl_device *device = rb->device;
uint cmds_gpu;
KGSL_CMD_VDBG("enter (rb=%p)\n", rb);
if (rb->flags & KGSL_FLAGS_STARTED) {
KGSL_CMD_VDBG("already started return %d\n", 0);
return 0;
}
if (init_ram) {
rb->timestamp = 0;
GSL_RB_INIT_TIMESTAMP(rb);
}
kgsl_sharedmem_set(&rb->memptrs_desc, 0, 0,
sizeof(struct kgsl_rbmemptrs));
kgsl_sharedmem_set(&rb->buffer_desc, 0, 0xAA,
(rb->sizedwords << 2));
kgsl_yamato_regwrite(device, REG_CP_RB_WPTR_BASE,
(rb->memptrs_desc.gpuaddr
+ GSL_RB_MEMPTRS_WPTRPOLL_OFFSET));
/* setup WPTR delay */
kgsl_yamato_regwrite(device, REG_CP_RB_WPTR_DELAY, 0 /*0x70000010 */);
/*setup REG_CP_RB_CNTL */
kgsl_yamato_regread(device, REG_CP_RB_CNTL, &rb_cntl);
cp_rb_cntl.val = rb_cntl;
/* size of ringbuffer */
cp_rb_cntl.f.rb_bufsz =
kgsl_ringbuffer_sizelog2quadwords(rb->sizedwords);
/* quadwords to read before updating mem RPTR */
cp_rb_cntl.f.rb_blksz = rb->blksizequadwords;
cp_rb_cntl.f.rb_poll_en = GSL_RB_CNTL_POLL_EN; /* WPTR polling */
/* mem RPTR writebacks */
cp_rb_cntl.f.rb_no_update = GSL_RB_CNTL_NO_UPDATE;
kgsl_yamato_regwrite(device, REG_CP_RB_CNTL, cp_rb_cntl.val);
kgsl_yamato_regwrite(device, REG_CP_RB_BASE, rb->buffer_desc.gpuaddr);
kgsl_yamato_regwrite(device, REG_CP_RB_RPTR_ADDR,
rb->memptrs_desc.gpuaddr +
GSL_RB_MEMPTRS_RPTR_OFFSET);
/* explicitly clear all cp interrupts */
kgsl_yamato_regwrite(device, REG_CP_INT_ACK, 0xFFFFFFFF);
/* setup scratch/timestamp */
kgsl_yamato_regwrite(device, REG_SCRATCH_ADDR,
device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(soptimestamp));
kgsl_yamato_regwrite(device, REG_SCRATCH_UMSK,
GSL_RB_MEMPTRS_SCRATCH_MASK);
/* load the CP ucode */
status = kgsl_ringbuffer_load_pm4_ucode(device);
if (status != 0) {
KGSL_DRV_ERR("kgsl_ringbuffer_load_pm4_ucode failed %d\n",
status);
return status;
}
/* load the prefetch parser ucode */
status = kgsl_ringbuffer_load_pfp_ucode(device);
if (status != 0) {
KGSL_DRV_ERR("kgsl_ringbuffer_load_pfp_ucode failed %d\n",
status);
return status;
}
kgsl_yamato_regwrite(device, REG_CP_QUEUE_THRESHOLDS, 0x000C0804);
rb->rptr = 0;
rb->wptr = 0;
/* clear ME_HALT to start micro engine */
kgsl_yamato_regwrite(device, REG_CP_ME_CNTL, 0);
/* ME_INIT */
cmds = kgsl_ringbuffer_allocspace(rb, 19);
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*(rb->wptr-19);
GSL_RB_WRITE(cmds, cmds_gpu, PM4_HDR_ME_INIT);
/* All fields present (bits 9:0) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x000003ff);
/* Disable/Enable Real-Time Stream processing (present but ignored) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Enable (2D <-> 3D) implicit synchronization (present but ignored) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_RB_SURFACE_INFO));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SC_WINDOW_OFFSET));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_VGT_MAX_VTX_INDX));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_SQ_PROGRAM_CNTL));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_RB_DEPTHCONTROL));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SU_POINT_SIZE));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SC_LINE_CNTL));
GSL_RB_WRITE(cmds, cmds_gpu,
GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SU_POLY_OFFSET_FRONT_SCALE));
/* Vertex and Pixel Shader Start Addresses in instructions
* (3 DWORDS per instruction) */
GSL_RB_WRITE(cmds, cmds_gpu, 0x80000180);
/* Maximum Contexts */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000001);
/* Write Confirm Interval and The CP will wait the
* wait_interval * 16 clocks between polling */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* NQ and External Memory Swap */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Protected mode error checking */
GSL_RB_WRITE(cmds, cmds_gpu, GSL_RB_PROTECTED_MODE_CONTROL);
/* Disable header dumping and Header dump address */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
/* Header dump size */
GSL_RB_WRITE(cmds, cmds_gpu, 0x00000000);
kgsl_ringbuffer_submit(rb);
/* idle device to validate ME INIT */
status = kgsl_yamato_idle(device, KGSL_TIMEOUT_DEFAULT);
KGSL_CMD_DBG("enabling CP interrupts: mask %08lx\n", GSL_CP_INT_MASK);
kgsl_yamato_regwrite(rb->device, REG_CP_INT_CNTL, GSL_CP_INT_MASK);
if (status == 0)
rb->flags |= KGSL_FLAGS_STARTED;
KGSL_CMD_VDBG("return %d\n", status);
return status;
}
static int kgsl_ringbuffer_start(struct kgsl_ringbuffer *rb)
{
int status;
union reg_cp_rb_cntl cp_rb_cntl;
unsigned int *cmds, rb_cntl;
struct kgsl_device *device = rb->device;
KGSL_CMD_VDBG("enter (rb=%p)\n", rb);
if (rb->flags & KGSL_FLAGS_STARTED) {
KGSL_CMD_VDBG("return %d\n", 0);
return 0;
}
kgsl_sharedmem_set(&rb->memptrs_desc, 0, 0,
sizeof(struct kgsl_rbmemptrs));
kgsl_sharedmem_set(&rb->buffer_desc, 0, 0xAA,
(rb->sizedwords << 2));
kgsl_yamato_regwrite(device, REG_CP_RB_WPTR_BASE,
(rb->memptrs_desc.gpuaddr
+ GSL_RB_MEMPTRS_WPTRPOLL_OFFSET));
kgsl_yamato_regwrite(device, REG_CP_RB_WPTR_DELAY, 0 );
kgsl_yamato_regread(device, REG_CP_RB_CNTL, &rb_cntl);
cp_rb_cntl.val = rb_cntl;
cp_rb_cntl.f.rb_bufsz =
kgsl_ringbuffer_sizelog2quadwords(rb->sizedwords);
cp_rb_cntl.f.rb_blksz = rb->blksizequadwords;
cp_rb_cntl.f.rb_poll_en = GSL_RB_CNTL_POLL_EN;
cp_rb_cntl.f.rb_no_update = GSL_RB_CNTL_NO_UPDATE;
kgsl_yamato_regwrite(device, REG_CP_RB_CNTL, cp_rb_cntl.val);
kgsl_yamato_regwrite(device, REG_CP_RB_BASE, rb->buffer_desc.gpuaddr);
kgsl_yamato_regwrite(device, REG_CP_RB_RPTR_ADDR,
rb->memptrs_desc.gpuaddr +
GSL_RB_MEMPTRS_RPTR_OFFSET);
kgsl_yamato_regwrite(device, REG_CP_INT_ACK, 0xFFFFFFFF);
kgsl_yamato_regwrite(device, REG_SCRATCH_ADDR,
device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(soptimestamp));
kgsl_yamato_regwrite(device, REG_SCRATCH_UMSK,
GSL_RB_MEMPTRS_SCRATCH_MASK);
status = kgsl_ringbuffer_load_pm4_ucode(device);
if (status != 0) {
KGSL_DRV_ERR("kgsl_ringbuffer_load_pm4_ucode failed %d\n",
status);
return status;
}
status = kgsl_ringbuffer_load_pfp_ucode(device);
if (status != 0) {
KGSL_DRV_ERR("kgsl_ringbuffer_load_pm4_ucode failed %d\n",
status);
return status;
}
kgsl_yamato_regwrite(device, REG_CP_QUEUE_THRESHOLDS, 0x000C0804);
rb->rptr = 0;
rb->wptr = 0;
rb->timestamp = 0;
GSL_RB_INIT_TIMESTAMP(rb);
INIT_LIST_HEAD(&rb->memqueue);
kgsl_yamato_regwrite(device, REG_CP_ME_CNTL, 0);
cmds = kgsl_ringbuffer_allocspace(rb, 19);
GSL_RB_WRITE(cmds, PM4_HDR_ME_INIT);
GSL_RB_WRITE(cmds, 0x000003ff);
GSL_RB_WRITE(cmds, 0x00000000);
GSL_RB_WRITE(cmds, 0x00000000);
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_RB_SURFACE_INFO));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SC_WINDOW_OFFSET));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_VGT_MAX_VTX_INDX));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_SQ_PROGRAM_CNTL));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_RB_DEPTHCONTROL));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SU_POINT_SIZE));
GSL_RB_WRITE(cmds, GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SC_LINE_CNTL));
GSL_RB_WRITE(cmds,
GSL_HAL_SUBBLOCK_OFFSET(REG_PA_SU_POLY_OFFSET_FRONT_SCALE));
GSL_RB_WRITE(cmds, 0x80000180);
GSL_RB_WRITE(cmds, 0x00000001);
GSL_RB_WRITE(cmds, 0x00000000);
GSL_RB_WRITE(cmds, 0x00000000);
GSL_RB_WRITE(cmds, GSL_RB_PROTECTED_MODE_CONTROL);
GSL_RB_WRITE(cmds, 0x00000000);
GSL_RB_WRITE(cmds, 0x00000000);
kgsl_ringbuffer_submit(rb);
status = kgsl_yamato_idle(device, KGSL_TIMEOUT_DEFAULT);
KGSL_CMD_DBG("enabling CP interrupts: mask %08lx\n", GSL_CP_INT_MASK);
kgsl_yamato_regwrite(rb->device, REG_CP_INT_CNTL, GSL_CP_INT_MASK);
if (status == 0)
rb->flags |= KGSL_FLAGS_STARTED;
KGSL_CMD_VDBG("return %d\n", status);
return status;
}
static uint32_t
adreno_ringbuffer_addcmds(struct adreno_ringbuffer *rb,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords + 6;
unsigned int i;
unsigned int rcmd_gpu;
/* reserve space to temporarily turn off protected mode
* error checking if needed
*/
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD) ? 2 : 0;
if (adreno_is_a3xx(adreno_dev))
total_sizedwords += 7;
ringcmds = adreno_ringbuffer_allocspace(rb, total_sizedwords);
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
if (!(flags & KGSL_CMD_FLAGS_NOT_KERNEL_CMD)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* disable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
/* re-enable protected mode error checking */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
rb->timestamp++;
timestamp = rb->timestamp;
/* start-of-pipeline and end-of-pipeline timestamps */
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
if (adreno_is_a3xx(adreno_dev)) {
/*
* FLush HLSQ lazy updates to make sure there are no
* rsources pending for indirect loads after the timestamp
*/
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x07); /* HLSQ_FLUSH */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_WAIT_FOR_IDLE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x00);
}
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
(rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
/* Conditional execution based on memory values */
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (rb->device->memstore.gpuaddr +
KGSL_DEVICE_MEMSTORE_OFFSET(ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp);
/* # of conditional command DWORDs */
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
static uint32_t
adreno_ringbuffer_addcmds(struct adreno_ringbuffer *rb,
struct adreno_context *context,
unsigned int flags, unsigned int *cmds,
int sizedwords)
{
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned int *ringcmds;
unsigned int timestamp;
unsigned int total_sizedwords = sizedwords;
unsigned int i;
unsigned int rcmd_gpu;
unsigned int context_id = KGSL_MEMSTORE_GLOBAL;
unsigned int gpuaddr = rb->device->memstore.gpuaddr;
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS)
context_id = context->id;
total_sizedwords += flags & KGSL_CMD_FLAGS_PMODE ? 4 : 0;
total_sizedwords += !(flags & KGSL_CMD_FLAGS_NO_TS_CMP) ? 7 : 0;
total_sizedwords += 2;
if (adreno_is_a3xx(adreno_dev))
total_sizedwords += 7;
total_sizedwords += 2;
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) {
total_sizedwords += 3;
total_sizedwords += 4;
total_sizedwords += 3;
} else {
total_sizedwords += 4;
}
ringcmds = adreno_ringbuffer_allocspace(rb, total_sizedwords);
if (context->flags & CTXT_FLAGS_GPU_HANG) {
KGSL_CTXT_WARN(rb->device,
"Context %p caused a gpu hang. Will not accept commands for context %d\n",
context, context->id);
return rb->timestamp[context_id];
}
rcmd_gpu = rb->buffer_desc.gpuaddr
+ sizeof(uint)*(rb->wptr-total_sizedwords);
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_nop_packet(1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, KGSL_CMD_IDENTIFIER);
if (flags & KGSL_CMD_FLAGS_PMODE) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0);
}
for (i = 0; i < sizedwords; i++) {
GSL_RB_WRITE(ringcmds, rcmd_gpu, *cmds);
cmds++;
}
if (flags & KGSL_CMD_FLAGS_PMODE) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_SET_PROTECTED_MODE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 1);
}
rb->timestamp[KGSL_MEMSTORE_GLOBAL]++;
if (context) {
if (context_id == KGSL_MEMSTORE_GLOBAL)
rb->timestamp[context_id] =
rb->timestamp[KGSL_MEMSTORE_GLOBAL];
else
rb->timestamp[context_id]++;
}
timestamp = rb->timestamp[context_id];
GSL_RB_WRITE(ringcmds, rcmd_gpu, cp_type0_packet(REG_CP_TIMESTAMP, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
if (adreno_is_a3xx(adreno_dev)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x07);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_WAIT_FOR_IDLE, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, 0x00);
}
if (context->flags & CTXT_FLAGS_PER_CONTEXT_TS) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, soptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_MEM_WRITE, 2));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
} else {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_EVENT_WRITE, 3));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CACHE_FLUSH_TS);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(KGSL_MEMSTORE_GLOBAL,
eoptimestamp)));
GSL_RB_WRITE(ringcmds, rcmd_gpu,
rb->timestamp[KGSL_MEMSTORE_GLOBAL]);
}
if (!(flags & KGSL_CMD_FLAGS_NO_TS_CMP)) {
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_COND_EXEC, 4));
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ts_cmp_enable)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, (gpuaddr +
KGSL_MEMSTORE_OFFSET(
context_id, ref_wait_ts)) >> 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu, timestamp);
GSL_RB_WRITE(ringcmds, rcmd_gpu, 2);
GSL_RB_WRITE(ringcmds, rcmd_gpu,
cp_type3_packet(CP_INTERRUPT, 1));
GSL_RB_WRITE(ringcmds, rcmd_gpu, CP_INT_CNTL__RB_INT_MASK);
}
static void
adreno_ringbuffer_waitspace(struct adreno_ringbuffer *rb, unsigned int numcmds,
int wptr_ahead)
{
int nopcount;
unsigned int freecmds;
unsigned int *cmds;
uint cmds_gpu;
struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device);
unsigned long wait_timeout = msecs_to_jiffies(adreno_dev->wait_timeout);
unsigned long wait_time;
unsigned long wait_time_part;
unsigned int msecs_part = KGSL_TIMEOUT_PART;
unsigned int prev_reg_val[hang_detect_regs_count];
memset(prev_reg_val, 0, sizeof(prev_reg_val));
if (wptr_ahead) {
nopcount = rb->sizedwords - rb->wptr - 1;
cmds = (unsigned int *)rb->buffer_desc.hostptr + rb->wptr;
cmds_gpu = rb->buffer_desc.gpuaddr + sizeof(uint)*rb->wptr;
GSL_RB_WRITE(cmds, cmds_gpu, cp_nop_packet(nopcount));
do {
GSL_RB_GET_READPTR(rb, &rb->rptr);
} while (!rb->rptr);
rb->wptr++;
adreno_ringbuffer_submit(rb);
rb->wptr = 0;
}
wait_time = jiffies + wait_timeout;
wait_time_part = jiffies + msecs_to_jiffies(msecs_part);
while (1) {
GSL_RB_GET_READPTR(rb, &rb->rptr);
freecmds = rb->rptr - rb->wptr;
if (freecmds == 0 || freecmds > numcmds)
break;
if (time_after(jiffies, wait_time_part)) {
wait_time_part = jiffies +
msecs_to_jiffies(msecs_part);
if ((adreno_hang_detect(rb->device,
prev_reg_val))){
KGSL_DRV_ERR(rb->device,
"Hang detected while waiting for freespace in"
"ringbuffer rptr: 0x%x, wptr: 0x%x\n",
rb->rptr, rb->wptr);
goto err;
}
}
if (time_after(jiffies, wait_time)) {
KGSL_DRV_ERR(rb->device,
"Timed out while waiting for freespace in ringbuffer "
"rptr: 0x%x, wptr: 0x%x\n", rb->rptr, rb->wptr);
goto err;
}
continue;
err:
if (!adreno_dump_and_recover(rb->device)) {
wait_time = jiffies + wait_timeout;
} else {
BUG();
}
}
}
