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-----Original Message-----
From: chen gong <[email protected]> 
Sent: Wednesday, January 15, 2020 5:41 PM
To: [email protected]
Cc: Gong, Curry <[email protected]>
Subject: [PATCH 3/3] drm/amdgpu: read gfx register using RREG32_KIQ macro

Reading CP_MEM_SLP_CNTL register with RREG32_SOC15 macro will lead to hang when 
GPU is in "gfxoff" state.
I do a uniform substitution here.

Signed-off-by: chen gong <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 425762a..cdafacc 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4714,12 +4714,12 @@ static void gfx_v9_0_get_clockgating_state(void 
*handle, u32 *flags)
                *flags = 0;
 
        /* AMD_CG_SUPPORT_GFX_MGCG */
-       data = RREG32_SOC15(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE);
+       data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_CGTT_MGCG_OVERRIDE));
        if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK))
                *flags |= AMD_CG_SUPPORT_GFX_MGCG;
 
        /* AMD_CG_SUPPORT_GFX_CGCG */
-       data = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL);
+       data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_CGCG_CGLS_CTRL));
        if (data & RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK)
                *flags |= AMD_CG_SUPPORT_GFX_CGCG;
 
@@ -4728,18 +4728,18 @@ static void gfx_v9_0_get_clockgating_state(void 
*handle, u32 *flags)
                *flags |= AMD_CG_SUPPORT_GFX_CGLS;
 
        /* AMD_CG_SUPPORT_GFX_RLC_LS */
-       data = RREG32_SOC15(GC, 0, mmRLC_MEM_SLP_CNTL);
+       data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmRLC_MEM_SLP_CNTL));
        if (data & RLC_MEM_SLP_CNTL__RLC_MEM_LS_EN_MASK)
                *flags |= AMD_CG_SUPPORT_GFX_RLC_LS | AMD_CG_SUPPORT_GFX_MGLS;
 
        /* AMD_CG_SUPPORT_GFX_CP_LS */
-       data = RREG32_SOC15(GC, 0, mmCP_MEM_SLP_CNTL);
+       data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, mmCP_MEM_SLP_CNTL));
        if (data & CP_MEM_SLP_CNTL__CP_MEM_LS_EN_MASK)
                *flags |= AMD_CG_SUPPORT_GFX_CP_LS | AMD_CG_SUPPORT_GFX_MGLS;
 
        if (adev->asic_type != CHIP_ARCTURUS) {
                /* AMD_CG_SUPPORT_GFX_3D_CGCG */
-               data = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL_3D);
+               data = RREG32_KIQ(SOC15_REG_OFFSET(GC, 0, 
mmRLC_CGCG_CGLS_CTRL_3D));
                if (data & RLC_CGCG_CGLS_CTRL_3D__CGCG_EN_MASK)
                        *flags |= AMD_CG_SUPPORT_GFX_3D_CGCG;
 
--
2.7.4
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