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authorchen gong <curry.gong@amd.com>2020-01-15 14:44:43 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-01-22 16:34:22 -0500
commitc68dbcd8f9b0aa01e0459a5841716cb6a2f447b9 (patch)
treec9532f3709feb8a5c51f921a252b6136ed8a5ab4 /drivers/gpu/drm/amd/amdgpu/amdgpu.h
parentd33a99c4b63643d3d7a85d4dfb2ac5afb01eebca (diff)
drm/amdgpu: add kiq version interface for RREG32/WREG32
Reading some registers by mmio will result in hang when GPU is in "gfxoff" state.This problem can be solved by GPU in "ring command packages" way. Signed-off-by: chen gong <curry.gong@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index b1bb10625cd9..da3bcff61b97 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1009,10 +1009,14 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define AMDGPU_REGS_IDX (1<<0)
#define AMDGPU_REGS_NO_KIQ (1<<1)
+#define AMDGPU_REGS_KIQ (1<<2)
#define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
#define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
+#define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
+#define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
+
#define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
#define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))