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* [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause
@ 2020-04-27 20:05 James Zhu
  2020-04-28 12:57 ` James Zhu
  2020-04-28 14:04 ` Leo Liu
  0 siblings, 2 replies; 3+ messages in thread
From: James Zhu @ 2020-04-27 20:05 UTC (permalink / raw)
  To: amd-gfx

Wait for tiles off after unpause to fix transcode timeout issue.
It is a work around.

Signed-off-by: James Zhu <James.Zhu@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index 0fa1c5c..38ca4a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -1404,7 +1404,7 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 {
 	struct amdgpu_ring *ring;
 	uint32_t reg_data = 0;
-	int ret_code;
+	int ret_code = 0;
 
 	/* pause/unpause if state is changed */
 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
@@ -1414,7 +1414,6 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
 
 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
-			ret_code = 0;
 			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
 
@@ -1469,9 +1468,10 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
 			}
 		} else {
-			/* unpause dpg, no need to wait */
 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
 			WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
 		}
 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
 	}
-- 
2.7.4

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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause
  2020-04-27 20:05 [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause James Zhu
@ 2020-04-28 12:57 ` James Zhu
  2020-04-28 14:04 ` Leo Liu
  1 sibling, 0 replies; 3+ messages in thread
From: James Zhu @ 2020-04-28 12:57 UTC (permalink / raw)
  To: amd-gfx

ping

On 2020-04-27 4:05 p.m., James Zhu wrote:
> Wait for tiles off after unpause to fix transcode timeout issue.
> It is a work around.
>
> Signed-off-by: James Zhu <James.Zhu@amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> index 0fa1c5c..38ca4a7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> @@ -1404,7 +1404,7 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   {
>   	struct amdgpu_ring *ring;
>   	uint32_t reg_data = 0;
> -	int ret_code;
> +	int ret_code = 0;
>   
>   	/* pause/unpause if state is changed */
>   	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
> @@ -1414,7 +1414,6 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
>   
>   		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
> -			ret_code = 0;
>   			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
>   				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   
> @@ -1469,9 +1468,10 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   			}
>   		} else {
> -			/* unpause dpg, no need to wait */
>   			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
>   			WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
> +			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
> +				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   		}
>   		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
>   	}
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause
  2020-04-27 20:05 [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause James Zhu
  2020-04-28 12:57 ` James Zhu
@ 2020-04-28 14:04 ` Leo Liu
  1 sibling, 0 replies; 3+ messages in thread
From: Leo Liu @ 2020-04-28 14:04 UTC (permalink / raw)
  To: James Zhu, amd-gfx

Reviewed-by: Leo Liu <leo.liu@amd.com>

On 2020-04-27 4:05 p.m., James Zhu wrote:
> Wait for tiles off after unpause to fix transcode timeout issue.
> It is a work around.
>
> Signed-off-by: James Zhu <James.Zhu@amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> index 0fa1c5c..38ca4a7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
> @@ -1404,7 +1404,7 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   {
>   	struct amdgpu_ring *ring;
>   	uint32_t reg_data = 0;
> -	int ret_code;
> +	int ret_code = 0;
>   
>   	/* pause/unpause if state is changed */
>   	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
> @@ -1414,7 +1414,6 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
>   
>   		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
> -			ret_code = 0;
>   			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
>   				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   
> @@ -1469,9 +1468,10 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
>   					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   			}
>   		} else {
> -			/* unpause dpg, no need to wait */
>   			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
>   			WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
> +			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
> +				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
>   		}
>   		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
>   	}
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-04-28 14:04 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-04-27 20:05 [PATCH] drm/amdgpu/vcn2.5: wait for tiles off after unpause James Zhu
2020-04-28 12:57 ` James Zhu
2020-04-28 14:04 ` Leo Liu

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