From: David Panariti <david.panar...@amd.com>
SQ can generate interrupts and installs the ISR to
handle the SQ interrupts.
Add parsing SQ data in interrupt handler.
Signed-off-by: David Panariti <david.panar...@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzov...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 110 +++++++++++++++++++++++++++++++++-
1 file changed, 109 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index a19fcc6..c4a2c3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -2058,6 +2058,15 @@ static int gfx_v8_0_sw_init(void *handle)
}
}
+ /* SQ interrupts. */
+ /* @todo XXX is this CZ only? */
+ r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 239,
+ &adev->gfx.sq_irq);
+ if (r) {
+ DRM_ERROR("amdgpu_irq_add() for SQ failed: %d\n", r);
+ return r;
+ }
+
adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
gfx_v8_0_scratch_init(adev);
@@ -5122,6 +5131,8 @@ static int gfx_v8_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
if (adev->asic_type == CHIP_CARRIZO)
amdgpu_irq_put(adev, &adev->gfx.cp_ecc_error_irq, 0);
+ /* @todo XXX Is this CZ only? */
+ amdgpu_irq_put(adev, &adev->gfx.sq_irq, 0);
/* disable KCQ to avoid CPC touch memory not valid anymore */
for (i = 0; i < adev->gfx.num_compute_rings; i++)
@@ -5561,6 +5572,14 @@ static int gfx_v8_0_late_init(void *handle)
return r;
}
}
+ /* @todo XXX Is this CZ only? */
+ r = amdgpu_irq_get(adev, &adev->gfx.sq_irq, 0);
+ if (r) {
+ DRM_ERROR(
+ "amdgpu_irq_get() failed to get IRQ for SQ, r: %d.\n",
+ r);
+ return r;
+ }
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
@@ -6852,6 +6871,32 @@ static int gfx_v8_0_set_cp_ecc_int_state(struct
amdgpu_device *adev,
return 0;
}
+static int gfx_v8_0_set_sq_int_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned int type,
+ enum amdgpu_interrupt_state state)
+{
+ int enable_flag;
+
+ switch (state) {
+ case AMDGPU_IRQ_STATE_DISABLE:
+ enable_flag = 1;
+ break;
+
+ case AMDGPU_IRQ_STATE_ENABLE:
+ enable_flag = 0;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ WREG32_FIELD(SQ_INTERRUPT_MSG_CTRL, STALL,
+ enable_flag);
+
+ return 0;
+}
+
static int gfx_v8_0_eop_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
@@ -6906,7 +6951,62 @@ static int gfx_v8_0_cp_ecc_error_irq(struct
amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
- DRM_ERROR("ECC error detected.");
+ DRM_ERROR("CP EDC/ECC error detected.");
+ return 0;
+}
+
+static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ u8 enc, se_id;
+ char type[20];
+
+ /* Parse all fields according to SQ_INTERRUPT* registers */
+ enc = (entry->src_data[0] >> 26) & 0x3;
+ se_id = (entry->src_data[0] >> 24) & 0x3;
+
+ switch (enc) {
+ case 0:
+ DRM_INFO("SQ general purpose intr detected:"
+ "se_id %d, immed_overflow %d,
host_reg_overflow %d,"
+ "host_cmd_overflow %d, cmd_timestamp
%d,"
+ "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
+ );
+ break;
+ case 1:
+ case 2:
+
+ if (enc == 1)
+ sprintf(type, "instruction intr");
+ else
+ sprintf(type, "EDC/ECC error");
+
+ 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
+ );
+ break;
+ default:
+ DRM_ERROR("SQ invalid encoding type\n.");
+ return -EINVAL;
+ }
+
return 0;
}
@@ -7115,6 +7215,11 @@ static const struct amdgpu_irq_src_funcs
gfx_v8_0_cp_ecc_error_irq_funcs = {
.process = gfx_v8_0_cp_ecc_error_irq,
};
+static const struct amdgpu_irq_src_funcs gfx_v8_0_sq_irq_funcs = {
+ .set = gfx_v8_0_set_sq_int_state,
+ .process = gfx_v8_0_sq_irq,
+};
+
static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->gfx.eop_irq.num_types = AMDGPU_CP_IRQ_LAST;
@@ -7131,6 +7236,9 @@ static void gfx_v8_0_set_irq_funcs(struct amdgpu_device
*adev)
adev->gfx.cp_ecc_error_irq.num_types = 1;
adev->gfx.cp_ecc_error_irq.funcs = &gfx_v8_0_cp_ecc_error_irq_funcs;
+
+ adev->gfx.sq_irq.num_types = 1;
+ adev->gfx.sq_irq.funcs = &gfx_v8_0_sq_irq_funcs;
}
static void gfx_v8_0_set_rlc_funcs(struct amdgpu_device *adev)
--
2.7.4
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