From: "Tianci.Yin" <tianci.yin@xxxxxxx>
[why]
CP hangs in igt reloading test on renoir, more precisely, hangs on the
second time insmod.
[how]
mode2 reset can make it recover, and mode2 reset only effects gfx core,
dcn and the screen will not be impacted.
Signed-off-by: Tianci.Yin <tianci.yin@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 496c4a6e23ac..f0713c027ed5 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -853,6 +853,11 @@ static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
{
u32 sol_reg;
+ /* CP hangs in IGT reloading test on RN, reset to WA */
+ if(adev->asic_type == CHIP_RENOIR) {
+ return true;
+ }
+
/* Just return false for soc15 GPUs. Reset does not seem to
* be necessary.
*/
--
2.25.1
