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* [PATCH 1/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega10
@ 2019-04-01 11:24 Russell, Kent
       [not found] ` <20190401112406.4589-1-kent.russell-5C7GfCeVMHo@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Russell, Kent @ 2019-04-01 11:24 UTC (permalink / raw)
  To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; +Cc: Russell, Kent

Don't return an error if the CUSTOM profile is selected, just apply it
with the values saved to the GPU. But ensure that we zero out the
copy stored in adev to ensure that a valid profile has been submitted at
some point first

Change-Id: Iafa5994e89ce00d3a124285b3435b581ec0e5d3b
Signed-off-by: Kent Russell <kent.russell@amd.com>
---
 .../drm/amd/powerplay/hwmgr/vega10_hwmgr.c    | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 85a536924571..542a66c8b0d7 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -1427,6 +1427,15 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
 
 	vega10_setup_default_pcie_table(hwmgr);
 
+	/* Zero out the saved copy of the CUSTOM profile
+	 * This will be checked when trying to set the profile
+	 * and will require that new values be passed in
+	 */
+	data->custom_profile_mode[0] = 0;
+	data->custom_profile_mode[1] = 0;
+	data->custom_profile_mode[2] = 0;
+	data->custom_profile_mode[3] = 0;
+
 	/* save a copy of the default DPM table */
 	memcpy(&(data->golden_dpm_table), &(data->dpm_table),
 			sizeof(struct vega10_dpm_table));
@@ -4910,9 +4919,20 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
 						1 << power_profile_mode);
 
 	if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
-		if (size == 0 || size > 4)
+		if (size != 0 && size != 4)
 			return -EINVAL;
 
+		/* If size = 0 and the CUSTOM profile has been set already
+		 * (check BUSY_SET_POINT since that is always >0 for a valid
+		 * profile) then just apply the profile.
+		 */
+		if (size == 0) {
+			if (data->custom_profile_mode[0] != 0)
+				goto out;
+			else
+				return -EINVAL;
+		}
+
 		data->custom_profile_mode[0] = busy_set_point = input[0];
 		data->custom_profile_mode[1] = FPS = input[1];
 		data->custom_profile_mode[2] = use_rlc_busy = input[2];
@@ -4923,6 +4943,7 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
 					use_rlc_busy << 16 | min_active_level<<24);
 	}
 
+out:
 	hwmgr->power_profile_mode = power_profile_mode;
 
 	return 0;
-- 
2.17.1

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^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH 1/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega10 v2
@ 2019-04-01 11:27 Russell, Kent
       [not found] ` <20190401112716.5101-1-kent.russell-5C7GfCeVMHo@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Russell, Kent @ 2019-04-01 11:27 UTC (permalink / raw)
  To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; +Cc: Russell, Kent

Don't return an error if the CUSTOM profile is selected, just apply it
with the values saved to the GPU. But ensure that we zero out the
copy stored in adev to ensure that a valid profile has been submitted at
some point first

v2: Fix comment that wasn't updated from previous patch

Change-Id: Iafa5994e89ce00d3a124285b3435b581ec0e5d3b
Signed-off-by: Kent Russell <kent.russell@amd.com>
---
 .../drm/amd/powerplay/hwmgr/vega10_hwmgr.c    | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 85a536924571..476a072027a6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -1427,6 +1427,15 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
 
 	vega10_setup_default_pcie_table(hwmgr);
 
+	/* Zero out the saved copy of the CUSTOM profile
+	 * This will be checked when trying to set the profile
+	 * and will require that new values be passed in
+	 */
+	data->custom_profile_mode[0] = 0;
+	data->custom_profile_mode[1] = 0;
+	data->custom_profile_mode[2] = 0;
+	data->custom_profile_mode[3] = 0;
+
 	/* save a copy of the default DPM table */
 	memcpy(&(data->golden_dpm_table), &(data->dpm_table),
 			sizeof(struct vega10_dpm_table));
@@ -4910,9 +4919,20 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
 						1 << power_profile_mode);
 
 	if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
-		if (size == 0 || size > 4)
+		if (size != 0 && size != 4)
 			return -EINVAL;
 
+		/* If size = 0 and the CUSTOM profile has been set already
+		 * then just apply the profile. The copy stored in the hwmgr
+		 * is zeroed out on init
+		 */
+		if (size == 0) {
+			if (data->custom_profile_mode[0] != 0)
+				goto out;
+			else
+				return -EINVAL;
+		}
+
 		data->custom_profile_mode[0] = busy_set_point = input[0];
 		data->custom_profile_mode[1] = FPS = input[1];
 		data->custom_profile_mode[2] = use_rlc_busy = input[2];
@@ -4923,6 +4943,7 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
 					use_rlc_busy << 16 | min_active_level<<24);
 	}
 
+out:
 	hwmgr->power_profile_mode = power_profile_mode;
 
 	return 0;
-- 
2.17.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

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

end of thread, other threads:[~2019-04-02  2:19 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2019-04-01 11:24 [PATCH 1/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega10 Russell, Kent
     [not found] ` <20190401112406.4589-1-kent.russell-5C7GfCeVMHo@public.gmane.org>
2019-04-01 11:24   ` [PATCH 2/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega20 Russell, Kent
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2019-04-01 11:27 [PATCH 1/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega10 v2 Russell, Kent
     [not found] ` <20190401112716.5101-1-kent.russell-5C7GfCeVMHo@public.gmane.org>
2019-04-01 11:27   ` [PATCH 2/2] drm/amdgpu: Allow switching to CUSTOM profile on Vega20 Russell, Kent
     [not found]     ` <20190401112716.5101-2-kent.russell-5C7GfCeVMHo@public.gmane.org>
2019-04-02  2:19       ` Quan, Evan

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