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* [PATCH] drm/amdgpu: skip vram operation for BAMACO runtime
@ 2020-12-11  9:04 Likun Gao
  2020-12-11 14:55 ` Deucher, Alexander
  0 siblings, 1 reply; 2+ messages in thread
From: Likun Gao @ 2020-12-11  9:04 UTC (permalink / raw)
  To: amd-gfx; +Cc: Likun Gao, Kenneth Feng, Hawking Zhang

From: Likun Gao <Likun.Gao@amd.com>

Skip vram related operation for bamaco rumtime suspend and resume as
vram is alive when BAMACO.
It can save about 32ms when suspend and about 15ms when resume.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Change-Id: I6ad39765de5ed1aac2dc51e96ed7a21a727272cd
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  9 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c    | 72 +++++++++++++---------
 2 files changed, 50 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0ec7c28c4d5a..66b790dfb151 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2464,7 +2464,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
 	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
 	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);
 
-	amdgpu_device_fill_reset_magic(adev);
+	if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+		amdgpu_device_fill_reset_magic(adev);
 
 	r = amdgpu_device_enable_mgpu_fan_boost();
 	if (r)
@@ -3706,7 +3707,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
 	amdgpu_amdkfd_suspend(adev, !fbcon);
 
 	/* evict vram memory */
-	amdgpu_bo_evict_vram(adev);
+	if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+		amdgpu_bo_evict_vram(adev);
 
 	amdgpu_fence_driver_suspend(adev);
 
@@ -3718,7 +3720,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
 	 * This second call to evict vram is to evict the gart page table
 	 * using the CPU.
 	 */
-	amdgpu_bo_evict_vram(adev);
+	if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+		amdgpu_bo_evict_vram(adev);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 523d22db094b..67e74b43a1ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -397,10 +397,12 @@ static int psp_tmr_init(struct psp_context *psp)
 		}
 	}
 
-	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
-	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+		pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
 				      AMDGPU_GEM_DOMAIN_VRAM,
 				      &psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+	}
 
 	return ret;
 }
@@ -504,8 +506,10 @@ static int psp_tmr_terminate(struct psp_context *psp)
 		return ret;
 
 	/* free TMR memory buffer */
-	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
-	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+		pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+		amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+	}
 
 	return 0;
 }
@@ -795,9 +799,10 @@ int psp_xgmi_terminate(struct psp_context *psp)
 	psp->xgmi_context.initialized = 0;
 
 	/* free xgmi shared memory */
-	amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
-			&psp->xgmi_context.xgmi_shared_mc_addr,
-			&psp->xgmi_context.xgmi_shared_buf);
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+		amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
+				&psp->xgmi_context.xgmi_shared_mc_addr,
+				&psp->xgmi_context.xgmi_shared_buf);
 
 	return 0;
 }
@@ -812,7 +817,8 @@ int psp_xgmi_initialize(struct psp_context *psp)
 	    !psp->adev->psp.ta_xgmi_start_addr)
 		return -ENOENT;
 
-	if (!psp->xgmi_context.initialized) {
+	if (!psp->xgmi_context.initialized &&
+	    ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
 		ret = psp_xgmi_init_shared_buf(psp);
 		if (ret)
 			return ret;
@@ -1122,9 +1128,10 @@ static int psp_ras_terminate(struct psp_context *psp)
 	psp->ras.ras_initialized = false;
 
 	/* free ras shared memory */
-	amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
-			&psp->ras.ras_shared_mc_addr,
-			&psp->ras.ras_shared_buf);
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+		amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
+				&psp->ras.ras_shared_mc_addr,
+				&psp->ras.ras_shared_buf);
 
 	return 0;
 }
@@ -1145,7 +1152,8 @@ static int psp_ras_initialize(struct psp_context *psp)
 		return 0;
 	}
 
-	if (!psp->ras.ras_initialized) {
+	if (!psp->ras.ras_initialized &&
+	    ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
 		ret = psp_ras_init_shared_buf(psp);
 		if (ret)
 			return ret;
@@ -1257,7 +1265,8 @@ static int psp_hdcp_initialize(struct psp_context *psp)
 		return 0;
 	}
 
-	if (!psp->hdcp_context.hdcp_initialized) {
+	if (!psp->hdcp_context.hdcp_initialized &&
+	    ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
 		ret = psp_hdcp_init_shared_buf(psp);
 		if (ret)
 			return ret;
@@ -1325,9 +1334,10 @@ static int psp_hdcp_terminate(struct psp_context *psp)
 	psp->hdcp_context.hdcp_initialized = false;
 
 	/* free hdcp shared memory */
-	amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
-			      &psp->hdcp_context.hdcp_shared_mc_addr,
-			      &psp->hdcp_context.hdcp_shared_buf);
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+		amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
+				      &psp->hdcp_context.hdcp_shared_mc_addr,
+				      &psp->hdcp_context.hdcp_shared_buf);
 
 	return 0;
 }
@@ -1404,7 +1414,8 @@ static int psp_dtm_initialize(struct psp_context *psp)
 		return 0;
 	}
 
-	if (!psp->dtm_context.dtm_initialized) {
+	if (!psp->dtm_context.dtm_initialized &&
+	    ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
 		ret = psp_dtm_init_shared_buf(psp);
 		if (ret)
 			return ret;
@@ -1472,9 +1483,10 @@ static int psp_dtm_terminate(struct psp_context *psp)
 	psp->dtm_context.dtm_initialized = false;
 
 	/* free hdcp shared memory */
-	amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
-			      &psp->dtm_context.dtm_shared_mc_addr,
-			      &psp->dtm_context.dtm_shared_buf);
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+		amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
+				      &psp->dtm_context.dtm_shared_mc_addr,
+				      &psp->dtm_context.dtm_shared_buf);
 
 	return 0;
 }
@@ -1563,7 +1575,8 @@ static int psp_rap_initialize(struct psp_context *psp)
 		return 0;
 	}
 
-	if (!psp->rap_context.rap_initialized) {
+	if (!psp->rap_context.rap_initialized &&
+	    ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
 		ret = psp_rap_init_shared_buf(psp);
 		if (ret)
 			return ret;
@@ -1602,9 +1615,10 @@ static int psp_rap_terminate(struct psp_context *psp)
 	psp->rap_context.rap_initialized = false;
 
 	/* free rap shared memory */
-	amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
-			      &psp->rap_context.rap_shared_mc_addr,
-			      &psp->rap_context.rap_shared_buf);
+	if ((amdgpu_runtime_pm !=2) || !psp->adev->in_runpm)
+		amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
+				      &psp->rap_context.rap_shared_mc_addr,
+				      &psp->rap_context.rap_shared_buf);
 
 	return ret;
 }
@@ -2261,10 +2275,12 @@ static int psp_resume(void *handle)
 
 	DRM_INFO("PSP is resuming...\n");
 
-	ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
-	if (ret) {
-		DRM_ERROR("Failed to process memory training!\n");
-		return ret;
+	if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+		ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
+		if (ret) {
+			DRM_ERROR("Failed to process memory training!\n");
+			return ret;
+		}
 	}
 
 	mutex_lock(&adev->firmware.mutex);
-- 
2.25.1

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] drm/amdgpu: skip vram operation for BAMACO runtime
  2020-12-11  9:04 [PATCH] drm/amdgpu: skip vram operation for BAMACO runtime Likun Gao
@ 2020-12-11 14:55 ` Deucher, Alexander
  0 siblings, 0 replies; 2+ messages in thread
From: Deucher, Alexander @ 2020-12-11 14:55 UTC (permalink / raw)
  To: Gao, Likun, amd-gfx; +Cc: Feng, Kenneth, Zhang, Hawking


[-- Attachment #1.1: Type: text/plain, Size: 10596 bytes --]

[AMD Public Use]

Instead of checking the global parameters everywhere, let's check the runtime pm parameter and then set a local adev variable per device.  That way we can have a mix of devices that support different runtime pm modes in the same system and everything works.

Alex

________________________________
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Likun Gao <likun.gao@amd.com>
Sent: Friday, December 11, 2020 4:04 AM
To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
Cc: Gao, Likun <Likun.Gao@amd.com>; Feng, Kenneth <Kenneth.Feng@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com>
Subject: [PATCH] drm/amdgpu: skip vram operation for BAMACO runtime

From: Likun Gao <Likun.Gao@amd.com>

Skip vram related operation for bamaco rumtime suspend and resume as
vram is alive when BAMACO.
It can save about 32ms when suspend and about 15ms when resume.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Change-Id: I6ad39765de5ed1aac2dc51e96ed7a21a727272cd
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  9 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c    | 72 +++++++++++++---------
 2 files changed, 50 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0ec7c28c4d5a..66b790dfb151 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2464,7 +2464,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
         amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
         amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);

-       amdgpu_device_fill_reset_magic(adev);
+       if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+               amdgpu_device_fill_reset_magic(adev);

         r = amdgpu_device_enable_mgpu_fan_boost();
         if (r)
@@ -3706,7 +3707,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
         amdgpu_amdkfd_suspend(adev, !fbcon);

         /* evict vram memory */
-       amdgpu_bo_evict_vram(adev);
+       if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+               amdgpu_bo_evict_vram(adev);

         amdgpu_fence_driver_suspend(adev);

@@ -3718,7 +3720,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
          * This second call to evict vram is to evict the gart page table
          * using the CPU.
          */
-       amdgpu_bo_evict_vram(adev);
+       if ((amdgpu_runtime_pm != 2) || !adev->in_runpm)
+               amdgpu_bo_evict_vram(adev);

         return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 523d22db094b..67e74b43a1ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -397,10 +397,12 @@ static int psp_tmr_init(struct psp_context *psp)
                 }
         }

-       pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
-       ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+               pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+               ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
                                       AMDGPU_GEM_DOMAIN_VRAM,
                                       &psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+       }

         return ret;
 }
@@ -504,8 +506,10 @@ static int psp_tmr_terminate(struct psp_context *psp)
                 return ret;

         /* free TMR memory buffer */
-       pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
-       amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+               pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+               amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+       }

         return 0;
 }
@@ -795,9 +799,10 @@ int psp_xgmi_terminate(struct psp_context *psp)
         psp->xgmi_context.initialized = 0;

         /* free xgmi shared memory */
-       amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
-                       &psp->xgmi_context.xgmi_shared_mc_addr,
-                       &psp->xgmi_context.xgmi_shared_buf);
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+               amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
+                               &psp->xgmi_context.xgmi_shared_mc_addr,
+                               &psp->xgmi_context.xgmi_shared_buf);

         return 0;
 }
@@ -812,7 +817,8 @@ int psp_xgmi_initialize(struct psp_context *psp)
             !psp->adev->psp.ta_xgmi_start_addr)
                 return -ENOENT;

-       if (!psp->xgmi_context.initialized) {
+       if (!psp->xgmi_context.initialized &&
+           ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
                 ret = psp_xgmi_init_shared_buf(psp);
                 if (ret)
                         return ret;
@@ -1122,9 +1128,10 @@ static int psp_ras_terminate(struct psp_context *psp)
         psp->ras.ras_initialized = false;

         /* free ras shared memory */
-       amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
-                       &psp->ras.ras_shared_mc_addr,
-                       &psp->ras.ras_shared_buf);
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+               amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
+                               &psp->ras.ras_shared_mc_addr,
+                               &psp->ras.ras_shared_buf);

         return 0;
 }
@@ -1145,7 +1152,8 @@ static int psp_ras_initialize(struct psp_context *psp)
                 return 0;
         }

-       if (!psp->ras.ras_initialized) {
+       if (!psp->ras.ras_initialized &&
+           ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
                 ret = psp_ras_init_shared_buf(psp);
                 if (ret)
                         return ret;
@@ -1257,7 +1265,8 @@ static int psp_hdcp_initialize(struct psp_context *psp)
                 return 0;
         }

-       if (!psp->hdcp_context.hdcp_initialized) {
+       if (!psp->hdcp_context.hdcp_initialized &&
+           ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
                 ret = psp_hdcp_init_shared_buf(psp);
                 if (ret)
                         return ret;
@@ -1325,9 +1334,10 @@ static int psp_hdcp_terminate(struct psp_context *psp)
         psp->hdcp_context.hdcp_initialized = false;

         /* free hdcp shared memory */
-       amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
-                             &psp->hdcp_context.hdcp_shared_mc_addr,
-                             &psp->hdcp_context.hdcp_shared_buf);
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+               amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
+                                     &psp->hdcp_context.hdcp_shared_mc_addr,
+                                     &psp->hdcp_context.hdcp_shared_buf);

         return 0;
 }
@@ -1404,7 +1414,8 @@ static int psp_dtm_initialize(struct psp_context *psp)
                 return 0;
         }

-       if (!psp->dtm_context.dtm_initialized) {
+       if (!psp->dtm_context.dtm_initialized &&
+           ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
                 ret = psp_dtm_init_shared_buf(psp);
                 if (ret)
                         return ret;
@@ -1472,9 +1483,10 @@ static int psp_dtm_terminate(struct psp_context *psp)
         psp->dtm_context.dtm_initialized = false;

         /* free hdcp shared memory */
-       amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
-                             &psp->dtm_context.dtm_shared_mc_addr,
-                             &psp->dtm_context.dtm_shared_buf);
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)
+               amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
+                                     &psp->dtm_context.dtm_shared_mc_addr,
+                                     &psp->dtm_context.dtm_shared_buf);

         return 0;
 }
@@ -1563,7 +1575,8 @@ static int psp_rap_initialize(struct psp_context *psp)
                 return 0;
         }

-       if (!psp->rap_context.rap_initialized) {
+       if (!psp->rap_context.rap_initialized &&
+           ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm)) {
                 ret = psp_rap_init_shared_buf(psp);
                 if (ret)
                         return ret;
@@ -1602,9 +1615,10 @@ static int psp_rap_terminate(struct psp_context *psp)
         psp->rap_context.rap_initialized = false;

         /* free rap shared memory */
-       amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
-                             &psp->rap_context.rap_shared_mc_addr,
-                             &psp->rap_context.rap_shared_buf);
+       if ((amdgpu_runtime_pm !=2) || !psp->adev->in_runpm)
+               amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
+                                     &psp->rap_context.rap_shared_mc_addr,
+                                     &psp->rap_context.rap_shared_buf);

         return ret;
 }
@@ -2261,10 +2275,12 @@ static int psp_resume(void *handle)

         DRM_INFO("PSP is resuming...\n");

-       ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
-       if (ret) {
-               DRM_ERROR("Failed to process memory training!\n");
-               return ret;
+       if ((amdgpu_runtime_pm != 2) || !psp->adev->in_runpm) {
+               ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
+               if (ret) {
+                       DRM_ERROR("Failed to process memory training!\n");
+                       return ret;
+               }
         }

         mutex_lock(&adev->firmware.mutex);
--
2.25.1

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2020-12-11  9:04 [PATCH] drm/amdgpu: skip vram operation for BAMACO runtime Likun Gao
2020-12-11 14:55 ` Deucher, Alexander

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