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authorJack Xiao <Jack.Xiao@amd.com>2019-07-03 05:56:07 +0200
committerAlex Deucher <alexander.deucher@amd.com>2019-07-05 22:54:55 +0200
commite3000669a7b4b26383fad06af8f736ad3b5d161e (patch)
tree54216a409d63ceda9c48dacb72890d38c4837f57 /drivers
parentdrm/amd/powerplay/smu7_hwmgr: replace blocking delay with non-blocking (diff)
downloadlinux-e3000669a7b4b26383fad06af8f736ad3b5d161e.tar.xz
linux-e3000669a7b4b26383fad06af8f736ad3b5d161e.zip
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@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smu_v11_0.c6
1 files 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 632a20587c8b..0759904a6746 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -67,9 +67,9 @@ 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;
@@ -77,7 +77,7 @@ 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;