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* [PATCH] drm/amd/powerplay: skip unsupported clock limit settings on Arcturus V2
@ 2019-10-23  8:53 Quan, Evan
       [not found] ` <20191023085246.24144-1-evan.quan-5C7GfCeVMHo@public.gmane.org>
  0 siblings, 1 reply; 3+ messages in thread
From: Quan, Evan @ 2019-10-23  8:53 UTC (permalink / raw)
  To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Li, Candice, Quan, Evan

For Arcturus, clock limit settings on uclk/socclk/fclk domains
are not supported.

V2: simplify the code to support both SGPU and MGPU cases

Change-Id: I1286289e3770f0421f0d22989437e26d3f7b2ec4
Signed-off-by: Evan Quan <evan.quan@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c       |  13 ++
 drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 142 ++++---------------
 2 files changed, 39 insertions(+), 116 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 36f36b35000d..660efe009749 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -2881,6 +2881,19 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 		DRM_ERROR("failed to create device file pp_dpm_sclk\n");
 		return ret;
 	}
+
+	/* Arcturus does not support standalone mclk/socclk/fclk level setting */
+	if (adev->asic_type == CHIP_ARCTURUS) {
+		dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_mclk.store = NULL;
+
+		dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_socclk.store = NULL;
+
+		dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_fclk.store = NULL;
+	}
+
 	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
 	if (ret) {
 		DRM_ERROR("failed to create device file pp_dpm_mclk\n");
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 9a5faac1ceea..1bcc5ab2873d 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -37,6 +37,7 @@
 #include "smu_v11_0_pptable.h"
 #include "arcturus_ppsmc.h"
 #include "nbio/nbio_7_4_sh_mask.h"
+#include "amdgpu_xgmi.h"
 
 #define CTF_OFFSET_EDGE			5
 #define CTF_OFFSET_HOTSPOT		5
@@ -849,84 +850,13 @@ static int arcturus_force_clk_levels(struct smu_context *smu,
 		break;
 
 	case SMU_MCLK:
-		single_dpm_table = &(dpm_table->mem_table);
-
-		if (soft_max_level >= single_dpm_table->count) {
-			pr_err("Clock level specified %d is over max allowed %d\n",
-					soft_max_level, single_dpm_table->count - 1);
-			ret = -EINVAL;
-			break;
-		}
-
-		single_dpm_table->dpm_state.soft_min_level =
-			single_dpm_table->dpm_levels[soft_min_level].value;
-		single_dpm_table->dpm_state.soft_max_level =
-			single_dpm_table->dpm_levels[soft_max_level].value;
-
-		ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_UCLK_MASK);
-		if (ret) {
-			pr_err("Failed to upload boot level to lowest!\n");
-			break;
-		}
-
-		ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_UCLK_MASK);
-		if (ret)
-			pr_err("Failed to upload dpm max level to highest!\n");
-
-		break;
-
 	case SMU_SOCCLK:
-		single_dpm_table = &(dpm_table->soc_table);
-
-		if (soft_max_level >= single_dpm_table->count) {
-			pr_err("Clock level specified %d is over max allowed %d\n",
-					soft_max_level, single_dpm_table->count - 1);
-			ret = -EINVAL;
-			break;
-		}
-
-		single_dpm_table->dpm_state.soft_min_level =
-			single_dpm_table->dpm_levels[soft_min_level].value;
-		single_dpm_table->dpm_state.soft_max_level =
-			single_dpm_table->dpm_levels[soft_max_level].value;
-
-		ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_SOCCLK_MASK);
-		if (ret) {
-			pr_err("Failed to upload boot level to lowest!\n");
-			break;
-		}
-
-		ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_SOCCLK_MASK);
-		if (ret)
-			pr_err("Failed to upload dpm max level to highest!\n");
-
-		break;
-
 	case SMU_FCLK:
-		single_dpm_table = &(dpm_table->fclk_table);
-
-		if (soft_max_level >= single_dpm_table->count) {
-			pr_err("Clock level specified %d is over max allowed %d\n",
-					soft_max_level, single_dpm_table->count - 1);
-			ret = -EINVAL;
-			break;
-		}
-
-		single_dpm_table->dpm_state.soft_min_level =
-			single_dpm_table->dpm_levels[soft_min_level].value;
-		single_dpm_table->dpm_state.soft_max_level =
-			single_dpm_table->dpm_levels[soft_max_level].value;
-
-		ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_FCLK_MASK);
-		if (ret) {
-			pr_err("Failed to upload boot level to lowest!\n");
-			break;
-		}
-
-		ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_FCLK_MASK);
-		if (ret)
-			pr_err("Failed to upload dpm max level to highest!\n");
-
+		/*
+		 * Should not arrive here since Arcturus does not
+		 * support mclk/socclk/fclk softmin/softmax settings
+		 */
+		ret = -EINVAL;
 		break;
 
 	default:
@@ -1242,6 +1172,7 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
 {
 	struct arcturus_dpm_table *dpm_table =
 		(struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
+	struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
 	uint32_t soft_level;
 	int ret = 0;
 
@@ -1255,40 +1186,27 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
 		dpm_table->gfx_table.dpm_state.soft_max_level =
 		dpm_table->gfx_table.dpm_levels[soft_level].value;
 
-	/* uclk */
-	if (highest)
-		soft_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
-	else
-		soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
-
-	dpm_table->mem_table.dpm_state.soft_min_level =
-		dpm_table->mem_table.dpm_state.soft_max_level =
-		dpm_table->mem_table.dpm_levels[soft_level].value;
-
-	/* socclk */
-	if (highest)
-		soft_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
-	else
-		soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
-
-	dpm_table->soc_table.dpm_state.soft_min_level =
-		dpm_table->soc_table.dpm_state.soft_max_level =
-		dpm_table->soc_table.dpm_levels[soft_level].value;
-
-	ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
+	ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
 	if (ret) {
 		pr_err("Failed to upload boot level to %s!\n",
 				highest ? "highest" : "lowest");
 		return ret;
 	}
 
-	ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
+	ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
 	if (ret) {
 		pr_err("Failed to upload dpm max level to %s!\n!",
 				highest ? "highest" : "lowest");
 		return ret;
 	}
 
+	if (hive)
+		/*
+		 * Force XGMI Pstate to highest or lowest
+		 * TODO: revise this when xgmi dpm is functional
+		 */
+		ret = smu_v11_0_set_xgmi_pstate(smu, highest ? 1 : 0);
+
 	return ret;
 }
 
@@ -1296,6 +1214,7 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
 {
 	struct arcturus_dpm_table *dpm_table =
 		(struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
+	struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
 	uint32_t soft_min_level, soft_max_level;
 	int ret = 0;
 
@@ -1307,34 +1226,25 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
 	dpm_table->gfx_table.dpm_state.soft_max_level =
 		dpm_table->gfx_table.dpm_levels[soft_max_level].value;
 
-	/* uclk */
-	soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
-	soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
-	dpm_table->mem_table.dpm_state.soft_min_level =
-		dpm_table->gfx_table.dpm_levels[soft_min_level].value;
-	dpm_table->mem_table.dpm_state.soft_max_level =
-		dpm_table->gfx_table.dpm_levels[soft_max_level].value;
-
-	/* socclk */
-	soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
-	soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
-	dpm_table->soc_table.dpm_state.soft_min_level =
-		dpm_table->soc_table.dpm_levels[soft_min_level].value;
-	dpm_table->soc_table.dpm_state.soft_max_level =
-		dpm_table->soc_table.dpm_levels[soft_max_level].value;
-
-	ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
+	ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
 	if (ret) {
 		pr_err("Failed to upload DPM Bootup Levels!");
 		return ret;
 	}
 
-	ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
+	ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
 	if (ret) {
 		pr_err("Failed to upload DPM Max Levels!");
 		return ret;
 	}
 
+	if (hive)
+		/*
+		 * Reset XGMI Pstate back to default
+		 * TODO: revise this when xgmi dpm is functional
+		 */
+		ret = smu_v11_0_set_xgmi_pstate(smu, 0);
+
 	return ret;
 }
 
-- 
2.23.0

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amd-gfx@lists.freedesktop.org
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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/amd/powerplay: skip unsupported clock limit settings on Arcturus V2
@ 2019-10-24  3:36     ` Alex Deucher
  0 siblings, 0 replies; 3+ messages in thread
From: Alex Deucher @ 2019-10-24  3:36 UTC (permalink / raw)
  To: Quan, Evan; +Cc: Li, Candice, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

On Wed, Oct 23, 2019 at 4:53 AM Quan, Evan <Evan.Quan@amd.com> wrote:
>
> For Arcturus, clock limit settings on uclk/socclk/fclk domains
> are not supported.
>
> V2: simplify the code to support both SGPU and MGPU cases
>
> Change-Id: I1286289e3770f0421f0d22989437e26d3f7b2ec4
> Signed-off-by: Evan Quan <evan.quan@amd.com>

Acked-by: Alex Deucher <alexander.deucher@amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c       |  13 ++
>  drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 142 ++++---------------
>  2 files changed, 39 insertions(+), 116 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index 36f36b35000d..660efe009749 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -2881,6 +2881,19 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
>                 DRM_ERROR("failed to create device file pp_dpm_sclk\n");
>                 return ret;
>         }
> +
> +       /* Arcturus does not support standalone mclk/socclk/fclk level setting */
> +       if (adev->asic_type == CHIP_ARCTURUS) {
> +               dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_mclk.store = NULL;
> +
> +               dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_socclk.store = NULL;
> +
> +               dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_fclk.store = NULL;
> +       }
> +
>         ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
>         if (ret) {
>                 DRM_ERROR("failed to create device file pp_dpm_mclk\n");
> diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> index 9a5faac1ceea..1bcc5ab2873d 100644
> --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> @@ -37,6 +37,7 @@
>  #include "smu_v11_0_pptable.h"
>  #include "arcturus_ppsmc.h"
>  #include "nbio/nbio_7_4_sh_mask.h"
> +#include "amdgpu_xgmi.h"
>
>  #define CTF_OFFSET_EDGE                        5
>  #define CTF_OFFSET_HOTSPOT             5
> @@ -849,84 +850,13 @@ static int arcturus_force_clk_levels(struct smu_context *smu,
>                 break;
>
>         case SMU_MCLK:
> -               single_dpm_table = &(dpm_table->mem_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_UCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_UCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> -               break;
> -
>         case SMU_SOCCLK:
> -               single_dpm_table = &(dpm_table->soc_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_SOCCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_SOCCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> -               break;
> -
>         case SMU_FCLK:
> -               single_dpm_table = &(dpm_table->fclk_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_FCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_FCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> +               /*
> +                * Should not arrive here since Arcturus does not
> +                * support mclk/socclk/fclk softmin/softmax settings
> +                */
> +               ret = -EINVAL;
>                 break;
>
>         default:
> @@ -1242,6 +1172,7 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
>  {
>         struct arcturus_dpm_table *dpm_table =
>                 (struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
> +       struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
>         uint32_t soft_level;
>         int ret = 0;
>
> @@ -1255,40 +1186,27 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
>                 dpm_table->gfx_table.dpm_state.soft_max_level =
>                 dpm_table->gfx_table.dpm_levels[soft_level].value;
>
> -       /* uclk */
> -       if (highest)
> -               soft_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
> -       else
> -               soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
> -
> -       dpm_table->mem_table.dpm_state.soft_min_level =
> -               dpm_table->mem_table.dpm_state.soft_max_level =
> -               dpm_table->mem_table.dpm_levels[soft_level].value;
> -
> -       /* socclk */
> -       if (highest)
> -               soft_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
> -       else
> -               soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
> -
> -       dpm_table->soc_table.dpm_state.soft_min_level =
> -               dpm_table->soc_table.dpm_state.soft_max_level =
> -               dpm_table->soc_table.dpm_levels[soft_level].value;
> -
> -       ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload boot level to %s!\n",
>                                 highest ? "highest" : "lowest");
>                 return ret;
>         }
>
> -       ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload dpm max level to %s!\n!",
>                                 highest ? "highest" : "lowest");
>                 return ret;
>         }
>
> +       if (hive)
> +               /*
> +                * Force XGMI Pstate to highest or lowest
> +                * TODO: revise this when xgmi dpm is functional
> +                */
> +               ret = smu_v11_0_set_xgmi_pstate(smu, highest ? 1 : 0);
> +
>         return ret;
>  }
>
> @@ -1296,6 +1214,7 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
>  {
>         struct arcturus_dpm_table *dpm_table =
>                 (struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
> +       struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
>         uint32_t soft_min_level, soft_max_level;
>         int ret = 0;
>
> @@ -1307,34 +1226,25 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
>         dpm_table->gfx_table.dpm_state.soft_max_level =
>                 dpm_table->gfx_table.dpm_levels[soft_max_level].value;
>
> -       /* uclk */
> -       soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
> -       soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
> -       dpm_table->mem_table.dpm_state.soft_min_level =
> -               dpm_table->gfx_table.dpm_levels[soft_min_level].value;
> -       dpm_table->mem_table.dpm_state.soft_max_level =
> -               dpm_table->gfx_table.dpm_levels[soft_max_level].value;
> -
> -       /* socclk */
> -       soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
> -       soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
> -       dpm_table->soc_table.dpm_state.soft_min_level =
> -               dpm_table->soc_table.dpm_levels[soft_min_level].value;
> -       dpm_table->soc_table.dpm_state.soft_max_level =
> -               dpm_table->soc_table.dpm_levels[soft_max_level].value;
> -
> -       ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload DPM Bootup Levels!");
>                 return ret;
>         }
>
> -       ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload DPM Max Levels!");
>                 return ret;
>         }
>
> +       if (hive)
> +               /*
> +                * Reset XGMI Pstate back to default
> +                * TODO: revise this when xgmi dpm is functional
> +                */
> +               ret = smu_v11_0_set_xgmi_pstate(smu, 0);
> +
>         return ret;
>  }
>
> --
> 2.23.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/amd/powerplay: skip unsupported clock limit settings on Arcturus V2
@ 2019-10-24  3:36     ` Alex Deucher
  0 siblings, 0 replies; 3+ messages in thread
From: Alex Deucher @ 2019-10-24  3:36 UTC (permalink / raw)
  To: Quan, Evan; +Cc: Li, Candice, amd-gfx

On Wed, Oct 23, 2019 at 4:53 AM Quan, Evan <Evan.Quan@amd.com> wrote:
>
> For Arcturus, clock limit settings on uclk/socclk/fclk domains
> are not supported.
>
> V2: simplify the code to support both SGPU and MGPU cases
>
> Change-Id: I1286289e3770f0421f0d22989437e26d3f7b2ec4
> Signed-off-by: Evan Quan <evan.quan@amd.com>

Acked-by: Alex Deucher <alexander.deucher@amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c       |  13 ++
>  drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 142 ++++---------------
>  2 files changed, 39 insertions(+), 116 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index 36f36b35000d..660efe009749 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -2881,6 +2881,19 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
>                 DRM_ERROR("failed to create device file pp_dpm_sclk\n");
>                 return ret;
>         }
> +
> +       /* Arcturus does not support standalone mclk/socclk/fclk level setting */
> +       if (adev->asic_type == CHIP_ARCTURUS) {
> +               dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_mclk.store = NULL;
> +
> +               dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_socclk.store = NULL;
> +
> +               dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
> +               dev_attr_pp_dpm_fclk.store = NULL;
> +       }
> +
>         ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
>         if (ret) {
>                 DRM_ERROR("failed to create device file pp_dpm_mclk\n");
> diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> index 9a5faac1ceea..1bcc5ab2873d 100644
> --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> @@ -37,6 +37,7 @@
>  #include "smu_v11_0_pptable.h"
>  #include "arcturus_ppsmc.h"
>  #include "nbio/nbio_7_4_sh_mask.h"
> +#include "amdgpu_xgmi.h"
>
>  #define CTF_OFFSET_EDGE                        5
>  #define CTF_OFFSET_HOTSPOT             5
> @@ -849,84 +850,13 @@ static int arcturus_force_clk_levels(struct smu_context *smu,
>                 break;
>
>         case SMU_MCLK:
> -               single_dpm_table = &(dpm_table->mem_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_UCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_UCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> -               break;
> -
>         case SMU_SOCCLK:
> -               single_dpm_table = &(dpm_table->soc_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_SOCCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_SOCCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> -               break;
> -
>         case SMU_FCLK:
> -               single_dpm_table = &(dpm_table->fclk_table);
> -
> -               if (soft_max_level >= single_dpm_table->count) {
> -                       pr_err("Clock level specified %d is over max allowed %d\n",
> -                                       soft_max_level, single_dpm_table->count - 1);
> -                       ret = -EINVAL;
> -                       break;
> -               }
> -
> -               single_dpm_table->dpm_state.soft_min_level =
> -                       single_dpm_table->dpm_levels[soft_min_level].value;
> -               single_dpm_table->dpm_state.soft_max_level =
> -                       single_dpm_table->dpm_levels[soft_max_level].value;
> -
> -               ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_FCLK_MASK);
> -               if (ret) {
> -                       pr_err("Failed to upload boot level to lowest!\n");
> -                       break;
> -               }
> -
> -               ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_FCLK_MASK);
> -               if (ret)
> -                       pr_err("Failed to upload dpm max level to highest!\n");
> -
> +               /*
> +                * Should not arrive here since Arcturus does not
> +                * support mclk/socclk/fclk softmin/softmax settings
> +                */
> +               ret = -EINVAL;
>                 break;
>
>         default:
> @@ -1242,6 +1172,7 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
>  {
>         struct arcturus_dpm_table *dpm_table =
>                 (struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
> +       struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
>         uint32_t soft_level;
>         int ret = 0;
>
> @@ -1255,40 +1186,27 @@ static int arcturus_force_dpm_limit_value(struct smu_context *smu, bool highest)
>                 dpm_table->gfx_table.dpm_state.soft_max_level =
>                 dpm_table->gfx_table.dpm_levels[soft_level].value;
>
> -       /* uclk */
> -       if (highest)
> -               soft_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
> -       else
> -               soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
> -
> -       dpm_table->mem_table.dpm_state.soft_min_level =
> -               dpm_table->mem_table.dpm_state.soft_max_level =
> -               dpm_table->mem_table.dpm_levels[soft_level].value;
> -
> -       /* socclk */
> -       if (highest)
> -               soft_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
> -       else
> -               soft_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
> -
> -       dpm_table->soc_table.dpm_state.soft_min_level =
> -               dpm_table->soc_table.dpm_state.soft_max_level =
> -               dpm_table->soc_table.dpm_levels[soft_level].value;
> -
> -       ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload boot level to %s!\n",
>                                 highest ? "highest" : "lowest");
>                 return ret;
>         }
>
> -       ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload dpm max level to %s!\n!",
>                                 highest ? "highest" : "lowest");
>                 return ret;
>         }
>
> +       if (hive)
> +               /*
> +                * Force XGMI Pstate to highest or lowest
> +                * TODO: revise this when xgmi dpm is functional
> +                */
> +               ret = smu_v11_0_set_xgmi_pstate(smu, highest ? 1 : 0);
> +
>         return ret;
>  }
>
> @@ -1296,6 +1214,7 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
>  {
>         struct arcturus_dpm_table *dpm_table =
>                 (struct arcturus_dpm_table *)smu->smu_dpm.dpm_context;
> +       struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(smu->adev, 0);
>         uint32_t soft_min_level, soft_max_level;
>         int ret = 0;
>
> @@ -1307,34 +1226,25 @@ static int arcturus_unforce_dpm_levels(struct smu_context *smu)
>         dpm_table->gfx_table.dpm_state.soft_max_level =
>                 dpm_table->gfx_table.dpm_levels[soft_max_level].value;
>
> -       /* uclk */
> -       soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->mem_table));
> -       soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->mem_table));
> -       dpm_table->mem_table.dpm_state.soft_min_level =
> -               dpm_table->gfx_table.dpm_levels[soft_min_level].value;
> -       dpm_table->mem_table.dpm_state.soft_max_level =
> -               dpm_table->gfx_table.dpm_levels[soft_max_level].value;
> -
> -       /* socclk */
> -       soft_min_level = arcturus_find_lowest_dpm_level(&(dpm_table->soc_table));
> -       soft_max_level = arcturus_find_highest_dpm_level(&(dpm_table->soc_table));
> -       dpm_table->soc_table.dpm_state.soft_min_level =
> -               dpm_table->soc_table.dpm_levels[soft_min_level].value;
> -       dpm_table->soc_table.dpm_state.soft_max_level =
> -               dpm_table->soc_table.dpm_levels[soft_max_level].value;
> -
> -       ret = arcturus_upload_dpm_level(smu, false, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, false, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload DPM Bootup Levels!");
>                 return ret;
>         }
>
> -       ret = arcturus_upload_dpm_level(smu, true, 0xFFFFFFFF);
> +       ret = arcturus_upload_dpm_level(smu, true, FEATURE_DPM_GFXCLK_MASK);
>         if (ret) {
>                 pr_err("Failed to upload DPM Max Levels!");
>                 return ret;
>         }
>
> +       if (hive)
> +               /*
> +                * Reset XGMI Pstate back to default
> +                * TODO: revise this when xgmi dpm is functional
> +                */
> +               ret = smu_v11_0_set_xgmi_pstate(smu, 0);
> +
>         return ret;
>  }
>
> --
> 2.23.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-10-24  3:37 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-23  8:53 [PATCH] drm/amd/powerplay: skip unsupported clock limit settings on Arcturus V2 Quan, Evan
     [not found] ` <20191023085246.24144-1-evan.quan-5C7GfCeVMHo@public.gmane.org>
2019-10-24  3:36   ` Alex Deucher
2019-10-24  3:36     ` Alex Deucher

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