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* [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.
@ 2022-06-06 10:40 Yifan Zhang
  2022-06-07 14:36 ` Zhang, Yifan
  0 siblings, 1 reply; 4+ messages in thread
From: Yifan Zhang @ 2022-06-06 10:40 UTC (permalink / raw)
  To: amd-gfx; +Cc: Alexander.Deucher, Yifan Zhang, Ray.Huang

invalid/prime icahce operation takes effect on both pipes cuconrrently,
therefore CP_MES_IC_BASE_LO/HI and CP_MES_MDBASE_LO/HI have to be both
set before prime icache. Otherwise MES hardware gets garbage data in
above regsters and causes page fault

[  470.873200] amdgpu 0000:33:00.0: amdgpu: [gfxhub] page fault (src_id:0 ring:217 vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[  470.873222] amdgpu 0000:33:00.0: amdgpu:   in page starting at address 0x000092cb89b00000 from client 10
[  470.873234] amdgpu 0000:33:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00000BB3
[  470.873242] amdgpu 0000:33:00.0: amdgpu:      Faulty UTCL2 client ID: CPC (0x5)
[  470.873247] amdgpu 0000:33:00.0: amdgpu:      MORE_FAULTS: 0x1
[  470.873251] amdgpu 0000:33:00.0: amdgpu:      WALKER_ERROR: 0x1
[  470.873256] amdgpu 0000:33:00.0: amdgpu:      PERMISSION_FAULTS: 0xb
[  470.873260] amdgpu 0000:33:00.0: amdgpu:      MAPPING_ERROR: 0x1
[  470.873264] amdgpu 0000:33:00.0: amdgpu:      RW: 0x0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 32 +++++++++++++++-----------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index fcf51947bb18..9741b7ff4224 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -541,7 +541,7 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
 
 /* This function is for backdoor MES firmware */
 static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
-				    enum admgpu_mes_pipe pipe)
+				    enum admgpu_mes_pipe pipe, bool prime_icache)
 {
 	int r;
 	uint32_t data;
@@ -593,16 +593,18 @@ static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
 	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
 	WREG32_SOC15(GC, 0, regCP_MES_MDBOUND_LO, 0x3FFFF);
 
-	/* invalidate ICACHE */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
-
-	/* prime the ICACHE. */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	if (prime_icache) {
+		/* invalidate ICACHE */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+
+		/* prime the ICACHE. */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	}
 
 	soc21_grbm_select(adev, 0, 0, 0, 0);
 	mutex_unlock(&adev->srbm_mutex);
@@ -1044,17 +1046,19 @@ static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev)
 	int r = 0;
 
 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE);
+
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE, true);
 		if (r) {
 			DRM_ERROR("failed to load MES kiq fw, r=%d\n", r);
 			return r;
 		}
 
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE);
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE, false);
 		if (r) {
 			DRM_ERROR("failed to load MES fw, r=%d\n", r);
 			return r;
 		}
+
 	}
 
 	mes_v11_0_enable(adev, true);
@@ -1086,7 +1090,7 @@ static int mes_v11_0_hw_init(void *handle)
 	if (!adev->enable_mes_kiq) {
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 			r = mes_v11_0_load_microcode(adev,
-					     AMDGPU_MES_SCHED_PIPE);
+					     AMDGPU_MES_SCHED_PIPE, true);
 			if (r) {
 				DRM_ERROR("failed to MES fw, r=%d\n", r);
 				return r;
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* RE: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.
  2022-06-06 10:40 [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs Yifan Zhang
@ 2022-06-07 14:36 ` Zhang, Yifan
  2022-06-07 14:54   ` Deucher, Alexander
  2022-06-07 14:59   ` Huang, Tim
  0 siblings, 2 replies; 4+ messages in thread
From: Zhang, Yifan @ 2022-06-07 14:36 UTC (permalink / raw)
  To: Zhang, Yifan, amd-gfx
  Cc: Deucher, Alexander, Huang, Tim, Huang, Ray, Du, Xiaojian

[AMD Official Use Only - General]

Ping

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> On Behalf Of Yifan Zhang
Sent: Monday, June 6, 2022 6:40 PM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Yifan <Yifan1.Zhang@amd.com>; Huang, Ray <Ray.Huang@amd.com>
Subject: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.

invalid/prime icahce operation takes effect on both pipes cuconrrently, therefore CP_MES_IC_BASE_LO/HI and CP_MES_MDBASE_LO/HI have to be both set before prime icache. Otherwise MES hardware gets garbage data in above regsters and causes page fault

[  470.873200] amdgpu 0000:33:00.0: amdgpu: [gfxhub] page fault (src_id:0 ring:217 vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[  470.873222] amdgpu 0000:33:00.0: amdgpu:   in page starting at address 0x000092cb89b00000 from client 10
[  470.873234] amdgpu 0000:33:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00000BB3
[  470.873242] amdgpu 0000:33:00.0: amdgpu:      Faulty UTCL2 client ID: CPC (0x5)
[  470.873247] amdgpu 0000:33:00.0: amdgpu:      MORE_FAULTS: 0x1
[  470.873251] amdgpu 0000:33:00.0: amdgpu:      WALKER_ERROR: 0x1
[  470.873256] amdgpu 0000:33:00.0: amdgpu:      PERMISSION_FAULTS: 0xb
[  470.873260] amdgpu 0000:33:00.0: amdgpu:      MAPPING_ERROR: 0x1
[  470.873264] amdgpu 0000:33:00.0: amdgpu:      RW: 0x0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 32 +++++++++++++++-----------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index fcf51947bb18..9741b7ff4224 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -541,7 +541,7 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
 
 /* This function is for backdoor MES firmware */  static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
-				    enum admgpu_mes_pipe pipe)
+				    enum admgpu_mes_pipe pipe, bool prime_icache)
 {
 	int r;
 	uint32_t data;
@@ -593,16 +593,18 @@ static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
 	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
 	WREG32_SOC15(GC, 0, regCP_MES_MDBOUND_LO, 0x3FFFF);
 
-	/* invalidate ICACHE */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
-
-	/* prime the ICACHE. */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	if (prime_icache) {
+		/* invalidate ICACHE */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+
+		/* prime the ICACHE. */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	}
 
 	soc21_grbm_select(adev, 0, 0, 0, 0);
 	mutex_unlock(&adev->srbm_mutex);
@@ -1044,17 +1046,19 @@ static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev)
 	int r = 0;
 
 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE);
+
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE, true);
 		if (r) {
 			DRM_ERROR("failed to load MES kiq fw, r=%d\n", r);
 			return r;
 		}
 
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE);
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE, false);
 		if (r) {
 			DRM_ERROR("failed to load MES fw, r=%d\n", r);
 			return r;
 		}
+
 	}
 
 	mes_v11_0_enable(adev, true);
@@ -1086,7 +1090,7 @@ static int mes_v11_0_hw_init(void *handle)
 	if (!adev->enable_mes_kiq) {
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 			r = mes_v11_0_load_microcode(adev,
-					     AMDGPU_MES_SCHED_PIPE);
+					     AMDGPU_MES_SCHED_PIPE, true);
 			if (r) {
 				DRM_ERROR("failed to MES fw, r=%d\n", r);
 				return r;
--
2.35.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.
  2022-06-07 14:36 ` Zhang, Yifan
@ 2022-06-07 14:54   ` Deucher, Alexander
  2022-06-07 14:59   ` Huang, Tim
  1 sibling, 0 replies; 4+ messages in thread
From: Deucher, Alexander @ 2022-06-07 14:54 UTC (permalink / raw)
  To: Zhang, Yifan, amd-gfx; +Cc: Huang, Tim, Huang, Ray, Du, Xiaojian

[-- Attachment #1: Type: text/plain, Size: 5690 bytes --]

[Public]

Acked-by: Alex Deucher <alexander.deucher@amd.com>
________________________________
From: Zhang, Yifan <Yifan1.Zhang@amd.com>
Sent: Tuesday, June 7, 2022 10:36 AM
To: Zhang, Yifan <Yifan1.Zhang@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Huang, Ray <Ray.Huang@amd.com>; Huang, Tim <Tim.Huang@amd.com>; Du, Xiaojian <Xiaojian.Du@amd.com>
Subject: RE: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.

[AMD Official Use Only - General]

Ping

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> On Behalf Of Yifan Zhang
Sent: Monday, June 6, 2022 6:40 PM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Yifan <Yifan1.Zhang@amd.com>; Huang, Ray <Ray.Huang@amd.com>
Subject: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.

invalid/prime icahce operation takes effect on both pipes cuconrrently, therefore CP_MES_IC_BASE_LO/HI and CP_MES_MDBASE_LO/HI have to be both set before prime icache. Otherwise MES hardware gets garbage data in above regsters and causes page fault

[  470.873200] amdgpu 0000:33:00.0: amdgpu: [gfxhub] page fault (src_id:0 ring:217 vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[  470.873222] amdgpu 0000:33:00.0: amdgpu:   in page starting at address 0x000092cb89b00000 from client 10
[  470.873234] amdgpu 0000:33:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00000BB3
[  470.873242] amdgpu 0000:33:00.0: amdgpu:      Faulty UTCL2 client ID: CPC (0x5)
[  470.873247] amdgpu 0000:33:00.0: amdgpu:      MORE_FAULTS: 0x1
[  470.873251] amdgpu 0000:33:00.0: amdgpu:      WALKER_ERROR: 0x1
[  470.873256] amdgpu 0000:33:00.0: amdgpu:      PERMISSION_FAULTS: 0xb
[  470.873260] amdgpu 0000:33:00.0: amdgpu:      MAPPING_ERROR: 0x1
[  470.873264] amdgpu 0000:33:00.0: amdgpu:      RW: 0x0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 32 +++++++++++++++-----------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index fcf51947bb18..9741b7ff4224 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -541,7 +541,7 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)

 /* This function is for backdoor MES firmware */  static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
-                                   enum admgpu_mes_pipe pipe)
+                                   enum admgpu_mes_pipe pipe, bool prime_icache)
 {
         int r;
         uint32_t data;
@@ -593,16 +593,18 @@ static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
         /* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
         WREG32_SOC15(GC, 0, regCP_MES_MDBOUND_LO, 0x3FFFF);

-       /* invalidate ICACHE */
-       data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-       data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
-       data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
-       WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
-
-       /* prime the ICACHE. */
-       data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-       data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
-       WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+       if (prime_icache) {
+               /* invalidate ICACHE */
+               data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+               data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
+               data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
+               WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+
+               /* prime the ICACHE. */
+               data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+               data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
+               WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+       }

         soc21_grbm_select(adev, 0, 0, 0, 0);
         mutex_unlock(&adev->srbm_mutex);
@@ -1044,17 +1046,19 @@ static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev)
         int r = 0;

         if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-               r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE);
+
+               r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE, true);
                 if (r) {
                         DRM_ERROR("failed to load MES kiq fw, r=%d\n", r);
                         return r;
                 }

-               r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE);
+               r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE, false);
                 if (r) {
                         DRM_ERROR("failed to load MES fw, r=%d\n", r);
                         return r;
                 }
+
         }

         mes_v11_0_enable(adev, true);
@@ -1086,7 +1090,7 @@ static int mes_v11_0_hw_init(void *handle)
         if (!adev->enable_mes_kiq) {
                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
                         r = mes_v11_0_load_microcode(adev,
-                                            AMDGPU_MES_SCHED_PIPE);
+                                            AMDGPU_MES_SCHED_PIPE, true);
                         if (r) {
                                 DRM_ERROR("failed to MES fw, r=%d\n", r);
                                 return r;
--
2.35.1

[-- Attachment #2: Type: text/html, Size: 11214 bytes --]

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* RE: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.
  2022-06-07 14:36 ` Zhang, Yifan
  2022-06-07 14:54   ` Deucher, Alexander
@ 2022-06-07 14:59   ` Huang, Tim
  1 sibling, 0 replies; 4+ messages in thread
From: Huang, Tim @ 2022-06-07 14:59 UTC (permalink / raw)
  To: Zhang, Yifan, amd-gfx; +Cc: Deucher, Alexander, Huang, Ray, Du, Xiaojian

Reviewed-by: Tim Huang <Tim.Huang@amd.com>

-----Original Message-----
From: Zhang, Yifan <Yifan1.Zhang@amd.com> 
Sent: Tuesday, June 7, 2022 10:37 PM
To: Zhang, Yifan <Yifan1.Zhang@amd.com>; amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Huang, Ray <Ray.Huang@amd.com>; Huang, Tim <Tim.Huang@amd.com>; Du, Xiaojian <Xiaojian.Du@amd.com>
Subject: RE: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.

[AMD Official Use Only - General]

Ping

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> On Behalf Of Yifan Zhang
Sent: Monday, June 6, 2022 6:40 PM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Yifan <Yifan1.Zhang@amd.com>; Huang, Ray <Ray.Huang@amd.com>
Subject: [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs.

invalid/prime icahce operation takes effect on both pipes cuconrrently, therefore CP_MES_IC_BASE_LO/HI and CP_MES_MDBASE_LO/HI have to be both set before prime icache. Otherwise MES hardware gets garbage data in above regsters and causes page fault

[  470.873200] amdgpu 0000:33:00.0: amdgpu: [gfxhub] page fault (src_id:0 ring:217 vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[  470.873222] amdgpu 0000:33:00.0: amdgpu:   in page starting at address 0x000092cb89b00000 from client 10
[  470.873234] amdgpu 0000:33:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00000BB3
[  470.873242] amdgpu 0000:33:00.0: amdgpu:      Faulty UTCL2 client ID: CPC (0x5)
[  470.873247] amdgpu 0000:33:00.0: amdgpu:      MORE_FAULTS: 0x1
[  470.873251] amdgpu 0000:33:00.0: amdgpu:      WALKER_ERROR: 0x1
[  470.873256] amdgpu 0000:33:00.0: amdgpu:      PERMISSION_FAULTS: 0xb
[  470.873260] amdgpu 0000:33:00.0: amdgpu:      MAPPING_ERROR: 0x1
[  470.873264] amdgpu 0000:33:00.0: amdgpu:      RW: 0x0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 32 +++++++++++++++-----------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index fcf51947bb18..9741b7ff4224 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -541,7 +541,7 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
 
 /* This function is for backdoor MES firmware */  static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
-				    enum admgpu_mes_pipe pipe)
+				    enum admgpu_mes_pipe pipe, bool prime_icache)
 {
 	int r;
 	uint32_t data;
@@ -593,16 +593,18 @@ static int mes_v11_0_load_microcode(struct amdgpu_device *adev,
 	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
 	WREG32_SOC15(GC, 0, regCP_MES_MDBOUND_LO, 0x3FFFF);
 
-	/* invalidate ICACHE */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
-
-	/* prime the ICACHE. */
-	data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
-	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
-	WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	if (prime_icache) {
+		/* invalidate ICACHE */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+
+		/* prime the ICACHE. */
+		data = RREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL);
+		data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
+		WREG32_SOC15(GC, 0, regCP_MES_IC_OP_CNTL, data);
+	}
 
 	soc21_grbm_select(adev, 0, 0, 0, 0);
 	mutex_unlock(&adev->srbm_mutex);
@@ -1044,17 +1046,19 @@ static int mes_v11_0_kiq_hw_init(struct amdgpu_device *adev)
 	int r = 0;
 
 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE);
+
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_KIQ_PIPE, true);
 		if (r) {
 			DRM_ERROR("failed to load MES kiq fw, r=%d\n", r);
 			return r;
 		}
 
-		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE);
+		r = mes_v11_0_load_microcode(adev, AMDGPU_MES_SCHED_PIPE, false);
 		if (r) {
 			DRM_ERROR("failed to load MES fw, r=%d\n", r);
 			return r;
 		}
+
 	}
 
 	mes_v11_0_enable(adev, true);
@@ -1086,7 +1090,7 @@ static int mes_v11_0_hw_init(void *handle)
 	if (!adev->enable_mes_kiq) {
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 			r = mes_v11_0_load_microcode(adev,
-					     AMDGPU_MES_SCHED_PIPE);
+					     AMDGPU_MES_SCHED_PIPE, true);
 			if (r) {
 				DRM_ERROR("failed to MES fw, r=%d\n", r);
 				return r;
--
2.35.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-06-07 14:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-06 10:40 [PATCH] drm/amdgpu/mes: only invalid/prime icache after finish loading both pipe MES FWs Yifan Zhang
2022-06-07 14:36 ` Zhang, Yifan
2022-06-07 14:54   ` Deucher, Alexander
2022-06-07 14:59   ` Huang, Tim

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