drm/amdgpu: retire AMDGPU_REGS_KIQ flag

all the register access through kiq is redirected
to amdgpu_kiq_rreg/amdgpu_kiq_wreg
Signed-off-by: NHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -1024,13 +1024,12 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
  * Registers read & write functions.
  */
 #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 RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
+#define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
 
 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -314,7 +314,7 @@ uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
 {
 	uint32_t ret;
 
-	if ((acc_flags & AMDGPU_REGS_KIQ) || (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)))
+	if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
 		return amdgpu_kiq_rreg(adev, reg);
 
 	if ((reg * 4) < adev->rmmio_size)
@@ -402,7 +402,7 @@ void static inline amdgpu_mm_wreg_mmio(struct amdgpu_device *adev, uint32_t reg,
 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
 		    uint32_t acc_flags)
 {
-	if ((acc_flags & AMDGPU_REGS_KIQ) || (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)))
+	if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
 		return amdgpu_kiq_wreg(adev, reg, v);
 
 	amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags);