/*
* Copyright 2019 Advanced Micro Devices , Inc .
* All Rights Reserved .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the
* " Software " ) , to deal in the Software without restriction , including
* without limitation the rights to use , copy , modify , merge , publish ,
* distribute , sub license , and / or sell copies of the Software , and to
* permit persons to whom the Software is furnished to do so , subject to
* the following conditions :
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NON - INFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS , AUTHORS AND / OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM ,
* DAMAGES OR OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR
* OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE .
*
* The above copyright notice and this permission notice ( including the
* next paragraph ) shall be included in all copies or substantial portions
* of the Software .
*
*/
#include "amdgpu.h"
#include "amdgpu_jpeg.h"
#include "amdgpu_pm.h"
#include "soc15d.h"
#include "soc15_common.h"
#define JPEG_IDLE_TIMEOUT msecs_to_jiffies(1000 )
static void amdgpu_jpeg_idle_work_handler(struct work_struct *work);
static void amdgpu_jpeg_reg_dump_fini(struct amdgpu_device *adev);
int amdgpu_jpeg_sw_init(struct amdgpu_device *adev)
{
int i, r;
INIT_DELAYED_WORK(&adev->jpeg.idle_work, amdgpu_jpeg_idle_work_handler);
mutex_init(&adev->jpeg.jpeg_pg_lock);
atomic_set(&adev->jpeg.total_submission_cnt, 0 );
if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
(adev->pg_flags & AMD_PG_SUPPORT_JPEG_DPG))
adev->jpeg.indirect_sram = true ;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; i++) {
if (adev->jpeg.harvest_config & (1 U << i))
continue ;
if (adev->jpeg.indirect_sram) {
r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4 , PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GTT,
&adev->jpeg.inst[i].dpg_sram_bo,
&adev->jpeg.inst[i].dpg_sram_gpu_addr,
&adev->jpeg.inst[i].dpg_sram_cpu_addr);
if (r) {
dev_err(adev->dev,
"JPEG %d (%d) failed to allocate DPG bo\n" , i, r);
return r;
}
}
}
return 0 ;
}
int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev)
{
int i, j;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; ++i) {
if (adev->jpeg.harvest_config & (1 U << i))
continue ;
amdgpu_bo_free_kernel(
&adev->jpeg.inst[i].dpg_sram_bo,
&adev->jpeg.inst[i].dpg_sram_gpu_addr,
(void **)&adev->jpeg.inst[i].dpg_sram_cpu_addr);
for (j = 0 ; j < adev->jpeg.num_jpeg_rings; ++j)
amdgpu_ring_fini(&adev->jpeg.inst[i].ring_dec[j]);
}
if (adev->jpeg.reg_list)
amdgpu_jpeg_reg_dump_fini(adev);
mutex_destroy(&adev->jpeg.jpeg_pg_lock);
return 0 ;
}
int amdgpu_jpeg_suspend(struct amdgpu_device *adev)
{
cancel_delayed_work_sync(&adev->jpeg.idle_work);
return 0 ;
}
int amdgpu_jpeg_resume(struct amdgpu_device *adev)
{
return 0 ;
}
static void amdgpu_jpeg_idle_work_handler(struct work_struct *work)
{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, jpeg.idle_work.work);
unsigned int fences = 0 ;
unsigned int i, j;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; ++i) {
if (adev->jpeg.harvest_config & (1 U << i))
continue ;
for (j = 0 ; j < adev->jpeg.num_jpeg_rings; ++j)
fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec[j]);
}
if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) {
mutex_lock(&adev->jpeg.jpeg_pg_lock);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG,
AMD_PG_STATE_GATE);
mutex_unlock(&adev->jpeg.jpeg_pg_lock);
} else
schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);
}
void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
atomic_inc(&adev->jpeg.total_submission_cnt);
cancel_delayed_work_sync(&adev->jpeg.idle_work);
mutex_lock(&adev->jpeg.jpeg_pg_lock);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG,
AMD_PG_STATE_UNGATE);
mutex_unlock(&adev->jpeg.jpeg_pg_lock);
}
void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring)
{
atomic_dec(&ring->adev->jpeg.total_submission_cnt);
schedule_delayed_work(&ring->adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);
}
int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0 ;
unsigned i;
int r;
/* JPEG in SRIOV does not support direct register read/write */
if (amdgpu_sriov_vf(adev))
return 0 ;
r = amdgpu_ring_alloc(ring, 3 );
if (r)
return r;
WREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch[ring->pipe], 0 xCAFEDEAD);
/* Add a read register to make sure the write register is executed. */
RREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch[ring->pipe]);
amdgpu_ring_write(ring, PACKET0(adev->jpeg.internal.jpeg_pitch[ring->pipe], 0 ));
amdgpu_ring_write(ring, 0 xABADCAFE);
amdgpu_ring_commit(ring);
for (i = 0 ; i < adev->usec_timeout; i++) {
tmp = RREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch[ring->pipe]);
if (tmp == 0 xABADCAFE)
break ;
udelay(1 );
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
return r;
}
static int amdgpu_jpeg_dec_set_reg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct dma_fence *f = NULL;
const unsigned ib_size_dw = 16 ;
int i, r;
r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL, ib_size_dw * 4 ,
AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
ib = &job->ibs[0 ];
ib->ptr[0 ] = PACKETJ(adev->jpeg.internal.jpeg_pitch[ring->pipe], 0 , 0 , PACKETJ_TYPE0);
ib->ptr[1 ] = 0 xDEADBEEF;
for (i = 2 ; i < 16 ; i += 2 ) {
ib->ptr[i] = PACKETJ(0 , 0 , 0 , PACKETJ_TYPE6);
ib->ptr[i+1 ] = 0 ;
}
ib->length_dw = 16 ;
r = amdgpu_job_submit_direct(job, ring, &f);
if (r)
goto err;
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0 ;
err:
amdgpu_job_free(job);
return r;
}
int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0 ;
unsigned i;
struct dma_fence *fence = NULL;
long r = 0 ;
r = amdgpu_jpeg_dec_set_reg(ring, 1 , &fence);
if (r)
goto error;
r = dma_fence_wait_timeout(fence, false , timeout);
if (r == 0 ) {
r = -ETIMEDOUT;
goto error;
} else if (r < 0 ) {
goto error;
} else {
r = 0 ;
}
if (!amdgpu_sriov_vf(adev)) {
for (i = 0 ; i < adev->usec_timeout; i++) {
tmp = RREG32(adev->jpeg.inst[ring->me].external.jpeg_pitch[ring->pipe]);
if (tmp == 0 xDEADBEEF)
break ;
udelay(1 );
if (amdgpu_emu_mode == 1 )
udelay(10 );
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
}
dma_fence_put(fence);
error:
return r;
}
int amdgpu_jpeg_process_poison_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
struct ras_common_if *ras_if = adev->jpeg.ras_if;
struct ras_dispatch_if ih_data = {
.entry = entry,
};
if (!ras_if)
return 0 ;
ih_data.head = *ras_if;
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0 ;
}
int amdgpu_jpeg_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
{
int r, i;
r = amdgpu_ras_block_late_init(adev, ras_block);
if (r)
return r;
if (amdgpu_ras_is_supported(adev, ras_block->block)) {
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; ++i) {
if (adev->jpeg.harvest_config & (1 << i) ||
!adev->jpeg.inst[i].ras_poison_irq.funcs)
continue ;
r = amdgpu_irq_get(adev, &adev->jpeg.inst[i].ras_poison_irq, 0 );
if (r)
goto late_fini;
}
}
return 0 ;
late_fini:
amdgpu_ras_block_late_fini(adev, ras_block);
return r;
}
int amdgpu_jpeg_ras_sw_init(struct amdgpu_device *adev)
{
int err;
struct amdgpu_jpeg_ras *ras;
if (!adev->jpeg.ras)
return 0 ;
ras = adev->jpeg.ras;
err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
if (err) {
dev_err(adev->dev, "Failed to register jpeg ras block!\n" );
return err;
}
strcpy(ras->ras_block.ras_comm.name, "jpeg" );
ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__JPEG;
ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__POISON;
adev->jpeg.ras_if = &ras->ras_block.ras_comm;
if (!ras->ras_block.ras_late_init)
ras->ras_block.ras_late_init = amdgpu_jpeg_ras_late_init;
return 0 ;
}
int amdgpu_jpeg_psp_update_sram(struct amdgpu_device *adev, int inst_idx,
enum AMDGPU_UCODE_ID ucode_id)
{
struct amdgpu_firmware_info ucode = {
.ucode_id = AMDGPU_UCODE_ID_JPEG_RAM,
.mc_addr = adev->jpeg.inst[inst_idx].dpg_sram_gpu_addr,
.ucode_size = ((uintptr_t)adev->jpeg.inst[inst_idx].dpg_sram_curr_addr -
(uintptr_t)adev->jpeg.inst[inst_idx].dpg_sram_cpu_addr),
};
return psp_execute_ip_fw_load(&adev->psp, &ucode);
}
/*
* debugfs for to enable / disable jpeg job submission to specific core .
*/
#if defined (CONFIG_DEBUG_FS)
static int amdgpu_debugfs_jpeg_sched_mask_set(void *data, u64 val)
{
struct amdgpu_device *adev = (struct amdgpu_device *)data;
u32 i, j;
u64 mask = 0 ;
struct amdgpu_ring *ring;
if (!adev)
return -ENODEV;
mask = (1 ULL << (adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings)) - 1 ;
if ((val & mask) == 0 )
return -EINVAL;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; ++i) {
for (j = 0 ; j < adev->jpeg.num_jpeg_rings; ++j) {
ring = &adev->jpeg.inst[i].ring_dec[j];
if (val & (1 << ((i * adev->jpeg.num_jpeg_rings) + j)))
ring->sched.ready = true ;
else
ring->sched.ready = false ;
}
}
/* publish sched.ready flag update effective immediately across smp */
smp_rmb();
return 0 ;
}
static int amdgpu_debugfs_jpeg_sched_mask_get(void *data, u64 *val)
{
struct amdgpu_device *adev = (struct amdgpu_device *)data;
u32 i, j;
u64 mask = 0 ;
struct amdgpu_ring *ring;
if (!adev)
return -ENODEV;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; ++i) {
for (j = 0 ; j < adev->jpeg.num_jpeg_rings; ++j) {
ring = &adev->jpeg.inst[i].ring_dec[j];
if (ring->sched.ready)
mask |= 1 ULL << ((i * adev->jpeg.num_jpeg_rings) + j);
}
}
*val = mask;
return 0 ;
}
DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_debugfs_jpeg_sched_mask_fops,
amdgpu_debugfs_jpeg_sched_mask_get,
amdgpu_debugfs_jpeg_sched_mask_set, "%llx\n" );
#endif
void amdgpu_debugfs_jpeg_sched_mask_init(struct amdgpu_device *adev)
{
#if defined (CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;
char name[32 ];
if (!(adev->jpeg.num_jpeg_inst > 1 ) && !(adev->jpeg.num_jpeg_rings > 1 ))
return ;
sprintf(name, "amdgpu_jpeg_sched_mask" );
debugfs_create_file(name, 0600 , root, adev,
&amdgpu_debugfs_jpeg_sched_mask_fops);
#endif
}
static ssize_t amdgpu_get_jpeg_reset_mask(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
if (!adev)
return -ENODEV;
return amdgpu_show_reset_mask(buf, adev->jpeg.supported_reset);
}
static DEVICE_ATTR(jpeg_reset_mask, 0444 ,
amdgpu_get_jpeg_reset_mask, NULL);
int amdgpu_jpeg_sysfs_reset_mask_init(struct amdgpu_device *adev)
{
int r = 0 ;
if (adev->jpeg.num_jpeg_inst) {
r = device_create_file(adev->dev, &dev_attr_jpeg_reset_mask);
if (r)
return r;
}
return r;
}
void amdgpu_jpeg_sysfs_reset_mask_fini(struct amdgpu_device *adev)
{
if (adev->dev->kobj.sd) {
if (adev->jpeg.num_jpeg_inst)
device_remove_file(adev->dev, &dev_attr_jpeg_reset_mask);
}
}
int amdgpu_jpeg_reg_dump_init(struct amdgpu_device *adev,
const struct amdgpu_hwip_reg_entry *reg, u32 count)
{
adev->jpeg.ip_dump = kcalloc(adev->jpeg.num_jpeg_inst * count,
sizeof (uint32_t), GFP_KERNEL);
if (!adev->jpeg.ip_dump) {
dev_err(adev->dev,
"Failed to allocate memory for JPEG IP Dump\n" );
return -ENOMEM;
}
adev->jpeg.reg_list = reg;
adev->jpeg.reg_count = count;
return 0 ;
}
static void amdgpu_jpeg_reg_dump_fini(struct amdgpu_device *adev)
{
kfree(adev->jpeg.ip_dump);
adev->jpeg.reg_list = NULL;
adev->jpeg.reg_count = 0 ;
}
void amdgpu_jpeg_dump_ip_state(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
u32 inst_off, inst_id, is_powered;
int i, j;
if (!adev->jpeg.ip_dump)
return ;
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; i++) {
if (adev->jpeg.harvest_config & (1 << i))
continue ;
inst_id = GET_INST(JPEG, i);
inst_off = i * adev->jpeg.reg_count;
/* check power status from UVD_JPEG_POWER_STATUS */
adev->jpeg.ip_dump[inst_off] =
RREG32(SOC15_REG_ENTRY_OFFSET_INST(adev->jpeg.reg_list[0 ],
inst_id));
is_powered = ((adev->jpeg.ip_dump[inst_off] & 0 x1) != 1 );
if (is_powered)
for (j = 1 ; j < adev->jpeg.reg_count; j++)
adev->jpeg.ip_dump[inst_off + j] =
RREG32(SOC15_REG_ENTRY_OFFSET_INST(adev->jpeg.reg_list[j],
inst_id));
}
}
void amdgpu_jpeg_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
{
struct amdgpu_device *adev = ip_block->adev;
u32 inst_off, is_powered;
int i, j;
if (!adev->jpeg.ip_dump)
return ;
drm_printf(p, "num_instances:%d\n" , adev->jpeg.num_jpeg_inst);
for (i = 0 ; i < adev->jpeg.num_jpeg_inst; i++) {
if (adev->jpeg.harvest_config & (1 << i)) {
drm_printf(p, "\nHarvested Instance:JPEG%d Skipping dump\n" , i);
continue ;
}
inst_off = i * adev->jpeg.reg_count;
is_powered = ((adev->jpeg.ip_dump[inst_off] & 0 x1) != 1 );
if (is_powered) {
drm_printf(p, "Active Instance:JPEG%d\n" , i);
for (j = 0 ; j < adev->jpeg.reg_count; j++)
drm_printf(p, "%-50s \t 0x%08x\n" , adev->jpeg.reg_list[j].reg_name,
adev->jpeg.ip_dump[inst_off + j]);
} else
drm_printf(p, "\nInactive Instance:JPEG%d\n" , i);
}
}
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