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path: root/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c120
1 files changed, 87 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 807ee0dd623ce..551f21bad6d38 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -704,6 +704,17 @@ static const u32 stoney_mgcg_cgcg_init[] =
mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96940200,
};
+
+static const char * const sq_edc_source_names[] = {
+ "SQ_EDC_INFO_SOURCE_INVALID: No EDC error has occurred",
+ "SQ_EDC_INFO_SOURCE_INST: EDC source is Instruction Fetch",
+ "SQ_EDC_INFO_SOURCE_SGPR: EDC source is SGPR or SQC data return",
+ "SQ_EDC_INFO_SOURCE_VGPR: EDC source is VGPR",
+ "SQ_EDC_INFO_SOURCE_LDS: EDC source is LDS",
+ "SQ_EDC_INFO_SOURCE_GDS: EDC source is GDS",
+ "SQ_EDC_INFO_SOURCE_TA: EDC source is TA",
+};
+
static void gfx_v8_0_set_ring_funcs(struct amdgpu_device *adev);
static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev);
static void gfx_v8_0_set_gds_init(struct amdgpu_device *adev);
@@ -2006,6 +2017,8 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
return 0;
}
+static void gfx_v8_0_sq_irq_work_func(struct work_struct *work);
+
static int gfx_v8_0_sw_init(void *handle)
{
int i, j, k, r, ring_id;
@@ -2069,6 +2082,8 @@ static int gfx_v8_0_sw_init(void *handle)
return r;
}
+ INIT_WORK(&adev->gfx.sq_work.work, gfx_v8_0_sq_irq_work_func);
+
adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
gfx_v8_0_scratch_init(adev);
@@ -5581,24 +5596,18 @@ static int gfx_v8_0_late_init(void *handle)
return r;
}
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_PG_STATE_GATE);
-
return 0;
}
static void gfx_v8_0_enable_gfx_static_mg_power_gating(struct amdgpu_device *adev,
bool enable)
{
- if ((adev->asic_type == CHIP_POLARIS11) ||
+ if (((adev->asic_type == CHIP_POLARIS11) ||
(adev->asic_type == CHIP_POLARIS12) ||
- (adev->asic_type == CHIP_VEGAM))
+ (adev->asic_type == CHIP_VEGAM)) &&
+ adev->powerplay.pp_funcs->set_powergating_by_smu)
/* Send msg to SMU via Powerplay */
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_SMC,
- enable ?
- AMD_PG_STATE_GATE : AMD_PG_STATE_UNGATE);
+ amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, enable);
WREG32_FIELD(RLC_PG_CNTL, STATIC_PER_CU_PG_ENABLE, enable ? 1 : 0);
}
@@ -6955,16 +6964,14 @@ static int gfx_v8_0_cp_ecc_error_irq(struct amdgpu_device *adev,
return 0;
}
-static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
- struct amdgpu_irq_src *source,
- struct amdgpu_iv_entry *entry)
+static void gfx_v8_0_parse_sq_irq(struct amdgpu_device *adev, unsigned ih_data)
{
- u8 enc, se_id;
+ u32 enc, se_id, sh_id, cu_id;
char type[20];
+ int sq_edc_source = -1;
- /* Parse all fields according to SQ_INTERRUPT* registers */
- enc = (entry->src_data[0] >> 26) & 0x3;
- se_id = (entry->src_data[0] >> 24) & 0x3;
+ enc = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_CMN, ENCODING);
+ se_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_CMN, SE_ID);
switch (enc) {
case 0:
@@ -6974,19 +6981,37 @@ static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
"reg_timestamp %d, thread_trace_buff_full %d,"
"wlt %d, thread_trace %d.\n",
se_id,
- (entry->src_data[0] >> 7) & 0x1,
- (entry->src_data[0] >> 6) & 0x1,
- (entry->src_data[0] >> 5) & 0x1,
- (entry->src_data[0] >> 4) & 0x1,
- (entry->src_data[0] >> 3) & 0x1,
- (entry->src_data[0] >> 2) & 0x1,
- (entry->src_data[0] >> 1) & 0x1,
- entry->src_data[0] & 0x1
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, IMMED_OVERFLOW),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, HOST_REG_OVERFLOW),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, HOST_CMD_OVERFLOW),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, CMD_TIMESTAMP),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, REG_TIMESTAMP),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, THREAD_TRACE_BUF_FULL),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, WLT),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_AUTO, THREAD_TRACE)
);
break;
case 1:
case 2:
+ cu_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, CU_ID);
+ sh_id = REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, SH_ID);
+
+ /*
+ * This function can be called either directly from ISR
+ * or from BH in which case we can access SQ_EDC_INFO
+ * instance
+ */
+ if (in_task()) {
+ mutex_lock(&adev->grbm_idx_mutex);
+ gfx_v8_0_select_se_sh(adev, se_id, sh_id, cu_id);
+
+ sq_edc_source = REG_GET_FIELD(RREG32(mmSQ_EDC_INFO), SQ_EDC_INFO, SOURCE);
+
+ gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+ mutex_unlock(&adev->grbm_idx_mutex);
+ }
+
if (enc == 1)
sprintf(type, "instruction intr");
else
@@ -6994,17 +7019,46 @@ static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
DRM_INFO(
"SQ %s detected: "
- "se_id %d, cu_id %d, simd_id %d, wave_id %d, vm_id %d\n",
- type, se_id,
- (entry->src_data[0] >> 20) & 0xf,
- (entry->src_data[0] >> 18) & 0x3,
- (entry->src_data[0] >> 14) & 0xf,
- (entry->src_data[0] >> 10) & 0xf
- );
+ "se_id %d, sh_id %d, cu_id %d, simd_id %d, wave_id %d, vm_id %d "
+ "trap %s, sq_ed_info.source %s.\n",
+ type, se_id, sh_id, cu_id,
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, SIMD_ID),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, WAVE_ID),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, VM_ID),
+ REG_GET_FIELD(ih_data, SQ_INTERRUPT_WORD_WAVE, PRIV) ? "true" : "false",
+ (sq_edc_source != -1) ? sq_edc_source_names[sq_edc_source] : "unavailable"
+ );
break;
default:
DRM_ERROR("SQ invalid encoding type\n.");
- return -EINVAL;
+ }
+}
+
+static void gfx_v8_0_sq_irq_work_func(struct work_struct *work)
+{
+
+ struct amdgpu_device *adev = container_of(work, struct amdgpu_device, gfx.sq_work.work);
+ struct sq_work *sq_work = container_of(work, struct sq_work, work);
+
+ gfx_v8_0_parse_sq_irq(adev, sq_work->ih_data);
+}
+
+static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ unsigned ih_data = entry->src_data[0];
+
+ /*
+ * Try to submit work so SQ_EDC_INFO can be accessed from
+ * BH. If previous work submission hasn't finished yet
+ * just print whatever info is possible directly from the ISR.
+ */
+ if (work_pending(&adev->gfx.sq_work.work)) {
+ gfx_v8_0_parse_sq_irq(adev, ih_data);
+ } else {
+ adev->gfx.sq_work.ih_data = ih_data;
+ schedule_work(&adev->gfx.sq_work.work);
}
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-06 14:35:54 +0000