[PATCH 11/15] drm/amdgpu/vcn: switch work handler to be per instance
Alex Deucher
alexander.deucher at amd.com
Wed Nov 13 21:44:47 UTC 2024
Have a separate work handler for each VCN instance. This
paves the way for per instance VCN power gating at runtime.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 83 +++++++++++++------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 8 ++-
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 17 ++---
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 4 +-
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 4 +-
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 5 +-
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 4 +-
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 5 +-
drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c | 5 +-
10 files changed, 75 insertions(+), 62 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index b4a550795470..3383e4146c6a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -118,12 +118,15 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
unsigned int fw_shared_size, log_offset;
int i, r;
- INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
- mutex_init(&adev->vcn.vcn_pg_lock);
mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
- atomic_set(&adev->vcn.total_submission_cnt, 0);
- for (i = 0; i < adev->vcn.num_vcn_inst; i++)
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ mutex_init(&adev->vcn.inst[i].vcn_pg_lock);
+ adev->vcn.inst[i].adev = adev;
+ adev->vcn.inst[i].inst = i;
+ atomic_set(&adev->vcn.inst[i].total_submission_cnt, 0);
+ INIT_DELAYED_WORK(&adev->vcn.inst[i].idle_work, amdgpu_vcn_idle_work_handler);
atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
+ }
if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
@@ -271,10 +274,10 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
amdgpu_ucode_release(&adev->vcn.inst[j].fw);
+ mutex_destroy(&adev->vcn.inst[j].vcn_pg_lock);
}
mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
- mutex_destroy(&adev->vcn.vcn_pg_lock);
return 0;
}
@@ -325,8 +328,10 @@ int amdgpu_vcn_save_vcpu_bo(struct amdgpu_device *adev)
int amdgpu_vcn_suspend(struct amdgpu_device *adev)
{
bool in_ras_intr = amdgpu_ras_intr_triggered();
+ int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
+ for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
/* err_event_athub will corrupt VCPU buffer, so we need to
* restore fw data and clear buffer in amdgpu_vcn_resume() */
@@ -382,46 +387,45 @@ int amdgpu_vcn_resume(struct amdgpu_device *adev)
static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
{
- struct amdgpu_device *adev =
- container_of(work, struct amdgpu_device, vcn.idle_work.work);
+ struct amdgpu_vcn_inst *vcn_inst =
+ container_of(work, struct amdgpu_vcn_inst, idle_work.work);
+ struct amdgpu_device *adev = vcn_inst->adev;
unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
- unsigned int i, j;
+ unsigned int i = vcn_inst->inst, j;
int r = 0;
- for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
- if (adev->vcn.harvest_config & (1 << j))
- continue;
-
- for (i = 0; i < adev->vcn.num_enc_rings; ++i)
- fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
+ if (adev->vcn.harvest_config & (1 << i))
+ return;
- /* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
- if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
- !adev->vcn.using_unified_queue) {
- struct dpg_pause_state new_state;
+ for (j = 0; j < adev->vcn.num_enc_rings; ++j)
+ fence[i] += amdgpu_fence_count_emitted(&vcn_inst->ring_enc[j]);
- if (fence[j] ||
- unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
- new_state.fw_based = VCN_DPG_STATE__PAUSE;
- else
- new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
+ /* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
+ if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
+ !adev->vcn.using_unified_queue) {
+ struct dpg_pause_state new_state;
- adev->vcn.pause_dpg_mode(adev, j, &new_state);
- }
+ if (fence[i] ||
+ unlikely(atomic_read(&vcn_inst->dpg_enc_submission_cnt)))
+ new_state.fw_based = VCN_DPG_STATE__PAUSE;
+ else
+ new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
- fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
- fences += fence[j];
+ adev->vcn.pause_dpg_mode(adev, i, &new_state);
}
- if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
+ fence[i] += amdgpu_fence_count_emitted(&vcn_inst->ring_dec);
+ fences += fence[i];
+
+ if (!fences && !atomic_read(&vcn_inst->total_submission_cnt)) {
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
- AMD_PG_STATE_GATE);
+ AMD_PG_STATE_GATE);
r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
- false);
+ false);
if (r)
dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
} else {
- schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
+ schedule_delayed_work(&vcn_inst->idle_work, VCN_IDLE_TIMEOUT);
}
}
@@ -430,18 +434,18 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
struct amdgpu_device *adev = ring->adev;
int r = 0;
- atomic_inc(&adev->vcn.total_submission_cnt);
+ atomic_inc(&adev->vcn.inst[ring->me].total_submission_cnt);
- if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
+ if (!cancel_delayed_work_sync(&adev->vcn.inst[ring->me].idle_work)) {
r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
true);
if (r)
dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
}
- mutex_lock(&adev->vcn.vcn_pg_lock);
+ mutex_lock(&adev->vcn.inst[ring->me].vcn_pg_lock);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
- AMD_PG_STATE_UNGATE);
+ AMD_PG_STATE_UNGATE);
/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
@@ -466,7 +470,7 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
}
- mutex_unlock(&adev->vcn.vcn_pg_lock);
+ mutex_unlock(&adev->vcn.inst[ring->me].vcn_pg_lock);
}
void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
@@ -479,9 +483,10 @@ void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
!adev->vcn.using_unified_queue)
atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
- atomic_dec(&ring->adev->vcn.total_submission_cnt);
+ atomic_dec(&ring->adev->vcn.inst[ring->me].total_submission_cnt);
- schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
+ schedule_delayed_work(&ring->adev->vcn.inst[ring->me].idle_work,
+ VCN_IDLE_TIMEOUT);
}
int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 7b528123b36e..0d9a4d946eac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -279,6 +279,8 @@ struct amdgpu_vcn_fw_shared {
};
struct amdgpu_vcn_inst {
+ struct amdgpu_device *adev;
+ int inst;
struct amdgpu_bo *vcpu_bo;
void *cpu_addr;
uint64_t gpu_addr;
@@ -300,6 +302,9 @@ struct amdgpu_vcn_inst {
const struct firmware *fw; /* VCN firmware */
uint8_t vcn_config;
uint32_t vcn_codec_disable_mask;
+ atomic_t total_submission_cnt;
+ struct mutex vcn_pg_lock;
+ struct delayed_work idle_work;
};
struct amdgpu_vcn_ras {
@@ -308,7 +313,6 @@ struct amdgpu_vcn_ras {
struct amdgpu_vcn {
unsigned fw_version;
- struct delayed_work idle_work;
unsigned num_enc_rings;
enum amd_powergating_state cur_state;
bool indirect_sram;
@@ -316,9 +320,7 @@ struct amdgpu_vcn {
uint8_t num_vcn_inst;
struct amdgpu_vcn_inst inst[AMDGPU_MAX_VCN_INSTANCES];
struct amdgpu_vcn_reg internal;
- struct mutex vcn_pg_lock;
struct mutex vcn1_jpeg1_workaround;
- atomic_t total_submission_cnt;
unsigned harvest_config;
int (*pause_dpg_mode)(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 5ea96c983517..9ca964e11540 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -150,7 +150,7 @@ static int vcn_v1_0_sw_init(struct amdgpu_ip_block *ip_block)
return r;
/* Override the work func */
- adev->vcn.idle_work.work.func = vcn_v1_0_idle_work_handler;
+ adev->vcn.inst->idle_work.work.func = vcn_v1_0_idle_work_handler;
amdgpu_vcn_setup_ucode(adev);
@@ -277,7 +277,7 @@ static int vcn_v1_0_hw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
+ cancel_delayed_work_sync(&adev->vcn.inst->idle_work);
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
@@ -301,7 +301,7 @@ static int vcn_v1_0_suspend(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
bool idle_work_unexecuted;
- idle_work_unexecuted = cancel_delayed_work_sync(&adev->vcn.idle_work);
+ idle_work_unexecuted = cancel_delayed_work_sync(&adev->vcn.inst->idle_work);
if (idle_work_unexecuted) {
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_vcn(adev, false, 0);
@@ -1828,8 +1828,9 @@ static int vcn_v1_0_set_powergating_state(struct amdgpu_ip_block *ip_block,
static void vcn_v1_0_idle_work_handler(struct work_struct *work)
{
- struct amdgpu_device *adev =
- container_of(work, struct amdgpu_device, vcn.idle_work.work);
+ struct amdgpu_vcn_inst *vcn_inst =
+ container_of(work, struct amdgpu_vcn_inst, idle_work.work);
+ struct amdgpu_device *adev = vcn_inst->adev;
unsigned int fences = 0, i;
for (i = 0; i < adev->vcn.num_enc_rings; ++i)
@@ -1862,14 +1863,14 @@ static void vcn_v1_0_idle_work_handler(struct work_struct *work)
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_GATE);
} else {
- schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
+ schedule_delayed_work(&adev->vcn.inst->idle_work, VCN_IDLE_TIMEOUT);
}
}
static void vcn_v1_0_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
+ bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.inst->idle_work);
mutex_lock(&adev->vcn.vcn1_jpeg1_workaround);
@@ -1921,7 +1922,7 @@ void vcn_v1_0_set_pg_for_begin_use(struct amdgpu_ring *ring, bool set_clocks)
void vcn_v1_0_ring_end_use(struct amdgpu_ring *ring)
{
- schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
+ schedule_delayed_work(&ring->adev->vcn.inst->idle_work, VCN_IDLE_TIMEOUT);
mutex_unlock(&ring->adev->vcn.vcn1_jpeg1_workaround);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index e42cfc731ad8..115f33c3ab68 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -313,7 +313,7 @@ static int vcn_v2_0_hw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
+ cancel_delayed_work_sync(&adev->vcn.inst->idle_work);
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index b9be304aa294..6fb08ed09310 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -390,12 +390,12 @@ static int vcn_v2_5_hw_fini(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
-
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
+
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, i, mmUVD_STATUS)))
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index a3627700ed48..70a1b85a4efa 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -422,12 +422,12 @@ static int vcn_v3_0_hw_fini(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
-
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
+
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index e11bd6cae8fc..656c2a1c4bf9 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -359,11 +359,12 @@ static int vcn_v4_0_hw_fini(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
-
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
+
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index d4d92d4e2cab..8eea78c498da 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -331,8 +331,10 @@ static int vcn_v4_0_3_hw_init(struct amdgpu_ip_block *ip_block)
static int vcn_v4_0_3_hw_fini(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
+ int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
+ for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
if (adev->vcn.cur_state != AMD_PG_STATE_GATE)
vcn_v4_0_3_set_powergating_state(ip_block, AMD_PG_STATE_GATE);
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
index 26bd1954b5e3..7086f98c2ddc 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
@@ -300,11 +300,12 @@ static int vcn_v4_0_5_hw_fini(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
-
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
+
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
index 95b31167f552..4c641813aeff 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
@@ -274,11 +274,12 @@ static int vcn_v5_0_0_hw_fini(struct amdgpu_ip_block *ip_block)
struct amdgpu_device *adev = ip_block->adev;
int i;
- cancel_delayed_work_sync(&adev->vcn.idle_work);
-
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
+
+ cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
+
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
--
2.47.0
More information about the amd-gfx
mailing list