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From 72b12e47e86a563761cfb11bb0255b3bd712ffa1 Mon Sep 17 00:00:00 2001
From: David Panariti <David.Panariti@amd.com>
Date: Tue, 15 May 2018 11:45:11 -0400
Subject: [PATCH 4635/5725] drm/amdgpu: Added ISR for CP ECC/EDC interrupt v2.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
ISR will DRM_ERROR ECC error message.
v2:
Remove CZ only limitation.
Rebase.
Signed-off-by: David Panariti <David.Panariti@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 75 +++++++++++++++++++++++++++++++++++
2 files changed, 76 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 89572c1..0571196 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -988,6 +988,7 @@ struct amdgpu_gfx {
struct amdgpu_irq_src eop_irq;
struct amdgpu_irq_src priv_reg_irq;
struct amdgpu_irq_src priv_inst_irq;
+ struct amdgpu_irq_src cp_ecc_error_irq;
/* gfx status */
uint32_t gfx_current_status;
/* ce ram size*/
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 1ad8528..b92abc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -2055,6 +2055,12 @@ static int gfx_v8_0_sw_init(void *handle)
if (r)
return r;
+ /* Add CP EDC/ECC irq */
+ r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 197,
+ &adev->gfx.cp_ecc_error_irq);
+ if (r)
+ return r;
+
adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
gfx_v8_0_scratch_init(adev);
@@ -5118,6 +5124,8 @@ static int gfx_v8_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
+ amdgpu_irq_put(adev, &adev->gfx.cp_ecc_error_irq, 0);
+
/* disable KCQ to avoid CPC touch memory not valid anymore */
for (i = 0; i < adev->gfx.num_compute_rings; i++)
gfx_v8_0_kcq_disable(&adev->gfx.kiq.ring, &adev->gfx.compute_ring[i]);
@@ -5549,6 +5557,12 @@ static int gfx_v8_0_late_init(void *handle)
if (r)
return r;
+ r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
+ if (r) {
+ DRM_ERROR("amdgpu_irq_get() failed to get IRQ for EDC, r: %d.\n", r);
+ return r;
+ }
+
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_GATE);
@@ -6807,6 +6821,51 @@ static int gfx_v8_0_set_eop_interrupt_state(struct amdgpu_device *adev,
return 0;
}
+static int gfx_v8_0_set_cp_ecc_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 = 0;
+ break;
+
+ case AMDGPU_IRQ_STATE_ENABLE:
+ enable_flag = 1;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ WREG32_FIELD(CP_INT_CNTL, CP_ECC_ERROR_INT_ENABLE, enable_flag);
+ WREG32_FIELD(CP_INT_CNTL_RING0, CP_ECC_ERROR_INT_ENABLE, enable_flag);
+ WREG32_FIELD(CP_INT_CNTL_RING1, CP_ECC_ERROR_INT_ENABLE, enable_flag);
+ WREG32_FIELD(CP_INT_CNTL_RING2, CP_ECC_ERROR_INT_ENABLE, enable_flag);
+ WREG32_FIELD(CPC_INT_CNTL, CP_ECC_ERROR_INT_ENABLE, enable_flag);
+ WREG32_FIELD(CP_ME1_PIPE0_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME1_PIPE1_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME1_PIPE2_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME1_PIPE3_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME2_PIPE0_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME2_PIPE1_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME2_PIPE2_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ enable_flag);
+ WREG32_FIELD(CP_ME2_PIPE3_INT_CNTL, CP_ECC_ERROR_INT_ENABLE,
+ 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)
@@ -6857,6 +6916,14 @@ static int gfx_v8_0_priv_inst_irq(struct amdgpu_device *adev,
return 0;
}
+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.");
+ return 0;
+}
+
static int gfx_v8_0_kiq_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
@@ -7059,6 +7126,11 @@ static const struct amdgpu_irq_src_funcs gfx_v8_0_kiq_irq_funcs = {
.process = gfx_v8_0_kiq_irq,
};
+static const struct amdgpu_irq_src_funcs gfx_v8_0_cp_ecc_error_irq_funcs = {
+ .set = gfx_v8_0_set_cp_ecc_int_state,
+ .process = gfx_v8_0_cp_ecc_error_irq,
+};
+
static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->gfx.eop_irq.num_types = AMDGPU_CP_IRQ_LAST;
@@ -7072,6 +7144,9 @@ static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev)
adev->gfx.kiq.irq.num_types = AMDGPU_CP_KIQ_IRQ_LAST;
adev->gfx.kiq.irq.funcs = &gfx_v8_0_kiq_irq_funcs;
+
+ adev->gfx.cp_ecc_error_irq.num_types = 1;
+ adev->gfx.cp_ecc_error_irq.funcs = &gfx_v8_0_cp_ecc_error_irq_funcs;
}
static void gfx_v8_0_set_rlc_funcs(struct amdgpu_device *adev)
--
2.7.4
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