From 2505e1206fcdf7827e9879a04d0a7b1fa1f0edd6 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Mon, 27 Apr 2020 14:49:37 -0400
Subject: drm/amdgpu/vcn2.5: wait for tiles off after unpause
Git-commit: cd4df4e6ed177ab0d1253cfeae14a2307e263754
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 0fa1c5cec439..38ca4a712f12 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;
}
--
2.28.0