On GFX11 if RLC is stopped when not in GFXOFF the system will hang.
Prevent this case from ever happening.
Tested-by: Juan Martinez <Juan.Martinez@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index dcbdb2641086..f1f879d9ed8d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1766,6 +1766,10 @@ static void gfx_v11_0_rlc_stop(struct amdgpu_device *adev)
{
u32 tmp = RREG32_SOC15(GC, 0, regRLC_CNTL);
+ if (!adev->gfx.gfx_off_state) {
+ dev_err(adev->dev, "GFX is not in GFXOFF\n");
+ return;
+ }
tmp = REG_SET_FIELD(tmp, RLC_CNTL, RLC_ENABLE_F32, 0);
WREG32_SOC15(GC, 0, regRLC_CNTL, tmp);
}
--
2.34.1
