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authorTao Zhou <tao.zhou1@amd.com>2019-08-09 15:57:51 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-08-09 11:17:30 -0500
commit6ca523d7eb198b78f79df882b7dc4a8c795d8777 (patch)
treec1a2d57fae41ee7b5dbc74a7cd3dabfe5cf63a81
parentdd21a572c9068e9a59b46dea67e8a65a44aee90b (diff)
drm/amdgpu: remove RREG64/WREG64
atomic 64 bits REG operations are useless currently Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c33
2 files changed, 0 insertions, 37 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2aa06be83974..f85e7174babb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1037,8 +1037,6 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
uint32_t acc_flags);
void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
-uint64_t amdgpu_mm_rreg64(struct amdgpu_device *adev, uint32_t reg);
-void amdgpu_mm_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v);
u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
@@ -1066,8 +1064,6 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
-#define RREG64(reg) amdgpu_mm_rreg64(adev, (reg))
-#define WREG64(reg, v) amdgpu_mm_wreg64(adev, (reg), (v))
#define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0471a1d4305c..682833f90fdd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -264,39 +264,6 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
}
/**
- * amdgpu_mm_rreg64 - read a 64 bit memory mapped IO register
- *
- * @adev: amdgpu_device pointer
- * @reg: dword aligned register offset
- *
- * Returns the 64 bit value from the offset specified.
- */
-uint64_t amdgpu_mm_rreg64(struct amdgpu_device *adev, uint32_t reg)
-{
- if ((reg * 4) < adev->rmmio_size)
- return atomic64_read((atomic64_t *)(adev->rmmio + (reg * 4)));
- else
- BUG();
-}
-
-/**
- * amdgpu_mm_wreg64 - write to a 64 bit memory mapped IO register
- *
- * @adev: amdgpu_device pointer
- * @reg: dword aligned register offset
- * @v: 64 bit value to write to the register
- *
- * Writes the value specified to the offset specified.
- */
-void amdgpu_mm_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v)
-{
- if ((reg * 4) < adev->rmmio_size)
- atomic64_set((atomic64_t *)(adev->rmmio + (reg * 4)), v);
- else
- BUG();
-}
-
-/**
* amdgpu_io_rreg - read an IO register
*
* @adev: amdgpu_device pointer