Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Regards,
Hawking
-----Original Message-----
From: Xiao, Jack <Jack.Xiao@xxxxxxx>
Sent: 2019年7月3日 12:18
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Cc: Xiao, Jack <Jack.Xiao@xxxxxxx>
Subject: [PATCH] drm/amd/powerplay: increase waiting time for smu response
We observed some SMU commands take more time for execution, so increase waiting time for response.
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index bc39690..88d3127 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -64,9 +64,9 @@ static int smu_v11_0_read_arg(struct smu_context *smu, uint32_t *arg) static int smu_v11_0_wait_for_response(struct smu_context *smu) {
struct amdgpu_device *adev = smu->adev;
- uint32_t cur_value, i;
+ uint32_t cur_value, i, timeout = adev->usec_timeout * 10;
- for (i = 0; i < adev->usec_timeout; i++) {
+ for (i = 0; i < timeout; i++) {
cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0)
break;
@@ -74,7 +74,7 @@ static int smu_v11_0_wait_for_response(struct smu_context *smu)
}
/* timeout means wrong logic */
- if (i == adev->usec_timeout)
+ if (i == timeout)
return -ETIME;
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO;
--
1.9.1
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