From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Thu, 9 Feb 2017 14:48:08 +0800
Subject: drm/amdgpu/gfx9: enable cp interrupt for CGCG/CGLS/MGCG
Git-commit: f9d1b81d5763a3d5bb2c05a8add1a829a24a65cd
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Required for proper handshaking between the GFX and RLC.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1460,9 +1460,6 @@ static void gfx_v9_0_enable_gui_idle_int
 {
 	u32 tmp = RREG32_SOC15(GC, 0, mmCP_INT_CNTL_RING0);
 
-	if (enable)
-		return;
-
 	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE, enable ? 1 : 0);
 	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_EMPTY_INT_ENABLE, enable ? 1 : 0);
 	tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CMP_BUSY_INT_ENABLE, enable ? 1 : 0);