Hi
I did things old school via patch -R. This is what I reverted:
---
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 4083be61b328..6417febe18b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -95,9 +95,8 @@ int psp_wait_for(struct psp_context *psp, uint32_t
reg_index,
int i;
struct amdgpu_device *adev = psp->adev;
- val = RREG32(reg_index);
-
for (i = 0; i < adev->usec_timeout; i++) {
+ val = RREG32(reg_index);
if (check_changed) {
if (val != reg_val)
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index c98d77d0c8f8..6f80ad8f588b 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -237,11 +237,9 @@ int psp_v3_1_bootloader_load_sos(struct psp_context
*psp)
/* there might be handshake issue with hardware which needs delay
*/
mdelay(20);
-#if 0
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
mmMP0_SMN_C2PMSG_81),
RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
0, true);
-#endif
return ret;
}
---
Thanks
Ed
On Saturday, September 30, 2017 10:24:17 AM EDT, Greg KH wrote:
On Sat, Sep 30, 2017 at 09:49:28AM -0400, Ed Tomlinson wrote:
Hi,
This build causes very annoying flickering on my display. I
am using the in
kernel amdgpu module to drive a RX480 with 4G via display port. When X is
started (kde) I get flickers that are extrememly distracting. The linux
install is arch stable and is up to date. Nothing interesting
in dmesg. ...
What was the git commit id that you reverted to fix the issue?
Is the issue in 4.14-rc2?
thanks,
greg k-h