From c68dbcd8f9b0aa01e0459a5841716cb6a2f447b9 Mon Sep 17 00:00:00 2001 From: chen gong Date: Wed, 15 Jan 2020 14:44:43 +0800 Subject: drm/amdgpu: add kiq version interface for RREG32/WREG32 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Alex Deucher Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h') 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)) -- cgit