The old name is prone to confusion. The register offset is for a RLC queue
rather than a SDMA engine. The value is not a base address, but a
register offset.

Change-Id: I55fb835f2105392344b1c17323bb55c03f927836
Signed-off-by: Yong Zhao <yong.z...@amd.com>
---
 .../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c   | 85 +++++++++---------
 .../drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c    | 90 +++++++++----------
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 10 +--
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 10 +--
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 86 +++++++++---------
 5 files changed, 137 insertions(+), 144 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
index c9ce1516956e..d2c0666c2798 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
@@ -70,11 +70,11 @@ static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd)
        return (struct v9_sdma_mqd *)mqd;
 }
 
-static uint32_t get_sdma_base_addr(struct amdgpu_device *adev,
+static uint32_t get_rlc_reg_offset(struct amdgpu_device *adev,
                                unsigned int engine_id,
                                unsigned int queue_id)
 {
-       uint32_t base[8] = {
+       uint32_t sdma_engine_reg_base[8] = {
                SOC15_REG_OFFSET(SDMA0, 0,
                                 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
                SOC15_REG_OFFSET(SDMA1, 0,
@@ -92,12 +92,11 @@ static uint32_t get_sdma_base_addr(struct amdgpu_device 
*adev,
                SOC15_REG_OFFSET(SDMA7, 0,
                                 mmSDMA7_RLC0_RB_CNTL) - mmSDMA7_RLC0_RB_CNTL
        };
-       uint32_t retval;
 
-       retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL -
-                                              mmSDMA0_RLC0_RB_CNTL);
+       uint32_t retval = sdma_engine_reg_base[engine_id]
+               + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL);
 
-       pr_debug("sdma base address: 0x%x\n", retval);
+       pr_debug("RLC register offset: 0x%x\n", retval);
 
        return retval;
 }
@@ -107,22 +106,22 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        unsigned long end_jiffies;
        uint32_t data;
        uint64_t data64;
        uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
                m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 
        end_jiffies = msecs_to_jiffies(2000) + jiffies;
        while (true) {
-               data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               data = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -130,41 +129,41 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET,
               m->sdmax_rlcx_doorbell_offset);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
                             ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI,
                                m->sdmax_rlcx_rb_rptr_hi);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
        if (read_user_wptr(mm, wptr64, data64)) {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       lower_32_bits(data64));
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       upper_32_bits(data64));
        } else {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       m->sdmax_rlcx_rb_rptr);
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       m->sdmax_rlcx_rb_rptr_hi);
        }
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
                        m->sdmax_rlcx_rb_base_hi);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
                        m->sdmax_rlcx_rb_rptr_addr_lo);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
                        m->sdmax_rlcx_rb_rptr_addr_hi);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
                             RB_ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
 
        return 0;
 }
@@ -174,7 +173,7 @@ static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
                             uint32_t (**dump)[2], uint32_t *n_regs)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
-       uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id);
+       uint32_t rlc_reg_offset = get_rlc_reg_offset(adev, engine_id, queue_id);
        uint32_t i = 0, reg;
 #undef HQD_N_REGS
 #define HQD_N_REGS (19+6+7+10)
@@ -184,15 +183,15 @@ static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
                return -ENOMEM;
 
        for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
             reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
             reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
 
        WARN_ON_ONCE(i != HQD_N_REGS);
        *n_regs = i;
@@ -204,14 +203,14 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, 
void *mqd)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t sdma_rlc_rb_cntl;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       sdma_rlc_rb_cntl = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 
        if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
                return true;
@@ -224,20 +223,20 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t temp;
        unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
        temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
 
        while (true) {
-               temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -245,14 +244,14 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
                SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 
-       m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
+       m->sdmax_rlcx_rb_rptr = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
        m->sdmax_rlcx_rb_rptr_hi =
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI);
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI);
 
        return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
index a4325db8d093..ee520ad90717 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
@@ -307,11 +307,11 @@ static int kgd_init_interrupts(struct kgd_dev *kgd, 
uint32_t pipe_id)
        return 0;
 }
 
-static uint32_t get_sdma_base_addr(struct amdgpu_device *adev,
+static uint32_t get_rlc_reg_offset(struct amdgpu_device *adev,
                                unsigned int engine_id,
                                unsigned int queue_id)
 {
-       uint32_t base[2] = {
+       uint32_t sdma_engine_reg_base[2] = {
                SOC15_REG_OFFSET(SDMA0, 0,
                                 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
                /* On gfx10, mmSDMA1_xxx registers are defined NOT based
@@ -323,12 +323,11 @@ static uint32_t get_sdma_base_addr(struct amdgpu_device 
*adev,
                SOC15_REG_OFFSET(SDMA1, 0,
                                 mmSDMA1_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL
        };
-       uint32_t retval;
 
-       retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL -
-                                              mmSDMA0_RLC0_RB_CNTL);
+       uint32_t retval = sdma_engine_reg_base[engine_id]
+               + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL);
 
-       pr_debug("sdma base address: 0x%x\n", retval);
+       pr_debug("RLC register offset: 0x%x\n", retval);
 
        return retval;
 }
@@ -489,23 +488,23 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v10_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        unsigned long end_jiffies;
        uint32_t data;
        uint64_t data64;
        uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
-       pr_debug("sdma load base addr %x for engine %d, queue %d\n", 
sdma_base_addr, m->sdma_engine_id, m->sdma_queue_id);
+       pr_debug("sdma load base addr 0x%x for engine %d, queue %d\n", 
rlc_reg_offset, m->sdma_engine_id, m->sdma_queue_id);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
                m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 
        end_jiffies = msecs_to_jiffies(2000) + jiffies;
        while (true) {
-               data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               data = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -513,41 +512,41 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET,
               m->sdmax_rlcx_doorbell_offset);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
                             ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI,
                                m->sdmax_rlcx_rb_rptr_hi);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
        if (read_user_wptr(mm, wptr64, data64)) {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       lower_32_bits(data64));
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       upper_32_bits(data64));
        } else {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       m->sdmax_rlcx_rb_rptr);
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       m->sdmax_rlcx_rb_rptr_hi);
        }
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
                        m->sdmax_rlcx_rb_base_hi);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
                        m->sdmax_rlcx_rb_rptr_addr_lo);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
                        m->sdmax_rlcx_rb_rptr_addr_hi);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
                             RB_ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
 
        return 0;
 }
@@ -557,28 +556,25 @@ static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
                             uint32_t (**dump)[2], uint32_t *n_regs)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
-       uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id);
+       uint32_t rlc_reg_offset = get_rlc_reg_offset(adev, engine_id, queue_id);
        uint32_t i = 0, reg;
 #undef HQD_N_REGS
 #define HQD_N_REGS (19+6+7+10)
 
-       pr_debug("sdma dump engine id %d queue_id %d\n", engine_id, queue_id);
-       pr_debug("sdma base addr %x\n", sdma_base_addr);
-
        *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
        if (*dump == NULL)
                return -ENOMEM;
 
        for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
             reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
             reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
 
        WARN_ON_ONCE(i != HQD_N_REGS);
        *n_regs = i;
@@ -612,14 +608,14 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, 
void *mqd)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v10_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t sdma_rlc_rb_cntl;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       sdma_rlc_rb_cntl = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 
        if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
                return true;
@@ -740,20 +736,20 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v10_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t temp;
        unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
        temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
 
        while (true) {
-               temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -761,14 +757,14 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
                SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 
-       m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
+       m->sdmax_rlcx_rb_rptr = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
        m->sdmax_rlcx_rb_rptr_hi =
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI);
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI);
 
        return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index c6abcf72e822..d0517b7ae089 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -303,14 +303,14 @@ static int kgd_init_interrupts(struct kgd_dev *kgd, 
uint32_t pipe_id)
        return 0;
 }
 
-static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m)
+static inline uint32_t get_rlc_reg_offset(struct cik_sdma_rlc_registers *m)
 {
        uint32_t retval;
 
        retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET +
                        m->sdma_queue_id * KFD_CIK_SDMA_QUEUE_OFFSET;
 
-       pr_debug("sdma base address: 0x%x\n", retval);
+       pr_debug("RLC register offset: 0x%x\n", retval);
 
        return retval;
 }
@@ -417,7 +417,7 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
        uint32_t data;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
 
        WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
                m->sdma_rlc_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
@@ -528,7 +528,7 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, 
void *mqd)
        uint32_t sdma_rlc_rb_cntl;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
 
        sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
 
@@ -650,7 +650,7 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
        unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
 
        temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
        temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
index 4e8b4e949926..373501abdb6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -260,13 +260,13 @@ static int kgd_init_interrupts(struct kgd_dev *kgd, 
uint32_t pipe_id)
        return 0;
 }
 
-static inline uint32_t get_sdma_base_addr(struct vi_sdma_mqd *m)
+static inline uint32_t get_rlc_reg_offset(struct vi_sdma_mqd *m)
 {
        uint32_t retval;
 
        retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET +
                m->sdma_queue_id * KFD_VI_SDMA_QUEUE_OFFSET;
-       pr_debug("sdma base address: 0x%x\n", retval);
+       pr_debug("RLC register offset: 0x%x\n", retval);
 
        return retval;
 }
@@ -402,7 +402,7 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd,
        uint32_t data;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
        WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
                m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 
@@ -521,7 +521,7 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, 
void *mqd)
        uint32_t sdma_rlc_rb_cntl;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
 
        sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
 
@@ -646,7 +646,7 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
        unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(m);
+       sdma_base_addr = get_rlc_reg_offset(m);
 
        temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
        temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
index 55437f160a72..2dd5bc676029 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -226,22 +226,20 @@ int kgd_gfx_v9_init_interrupts(struct kgd_dev *kgd, 
uint32_t pipe_id)
        return 0;
 }
 
-static uint32_t get_sdma_base_addr(struct amdgpu_device *adev,
+static uint32_t get_rlc_reg_offset(struct amdgpu_device *adev,
                                unsigned int engine_id,
                                unsigned int queue_id)
 {
-       uint32_t base[2] = {
+       uint32_t sdma_engine_reg_base[2] = {
                SOC15_REG_OFFSET(SDMA0, 0,
                                 mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
                SOC15_REG_OFFSET(SDMA1, 0,
                                 mmSDMA1_RLC0_RB_CNTL) - mmSDMA1_RLC0_RB_CNTL
        };
-       uint32_t retval;
+       uint32_t retval = sdma_engine_reg_base[engine_id]
+               + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL);
 
-       retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL -
-                                              mmSDMA0_RLC0_RB_CNTL);
-
-       pr_debug("sdma base address: 0x%x\n", retval);
+       pr_debug("RLC register offset: 0x%x\n", retval);
 
        return retval;
 }
@@ -388,22 +386,22 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        unsigned long end_jiffies;
        uint32_t data;
        uint64_t data64;
        uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
                m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 
        end_jiffies = msecs_to_jiffies(2000) + jiffies;
        while (true) {
-               data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               data = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -411,41 +409,41 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET,
               m->sdmax_rlcx_doorbell_offset);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
                             ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI,
                                m->sdmax_rlcx_rb_rptr_hi);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
        if (read_user_wptr(mm, wptr64, data64)) {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       lower_32_bits(data64));
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       upper_32_bits(data64));
        } else {
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
                       m->sdmax_rlcx_rb_rptr);
-               WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI,
+               WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
                       m->sdmax_rlcx_rb_rptr_hi);
        }
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
                        m->sdmax_rlcx_rb_base_hi);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
                        m->sdmax_rlcx_rb_rptr_addr_lo);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
                        m->sdmax_rlcx_rb_rptr_addr_hi);
 
        data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
                             RB_ENABLE, 1);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
 
        return 0;
 }
@@ -455,7 +453,7 @@ static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
                             uint32_t (**dump)[2], uint32_t *n_regs)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
-       uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id);
+       uint32_t rlc_reg_offset = get_rlc_reg_offset(adev, engine_id, queue_id);
        uint32_t i = 0, reg;
 #undef HQD_N_REGS
 #define HQD_N_REGS (19+6+7+10)
@@ -465,15 +463,15 @@ static int kgd_hqd_sdma_dump(struct kgd_dev *kgd,
                return -ENOMEM;
 
        for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
             reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
        for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
             reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
-               DUMP_REG(sdma_base_addr + reg);
+               DUMP_REG(rlc_reg_offset + reg);
 
        WARN_ON_ONCE(i != HQD_N_REGS);
        *n_regs = i;
@@ -507,14 +505,14 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, 
void *mqd)
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t sdma_rlc_rb_cntl;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       sdma_rlc_rb_cntl = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 
        if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
                return true;
@@ -577,20 +575,20 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
 {
        struct amdgpu_device *adev = get_amdgpu_device(kgd);
        struct v9_sdma_mqd *m;
-       uint32_t sdma_base_addr;
+       uint32_t rlc_reg_offset;
        uint32_t temp;
        unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 
        m = get_sdma_mqd(mqd);
-       sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id,
+       rlc_reg_offset = get_rlc_reg_offset(adev, m->sdma_engine_id,
                                            m->sdma_queue_id);
 
-       temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
+       temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
        temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
 
        while (true) {
-               temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+               temp = RREG32(rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
                if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
                        break;
                if (time_after(jiffies, end_jiffies))
@@ -598,14 +596,14 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void 
*mqd,
                usleep_range(500, 1000);
        }
 
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
-       WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
+       WREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
                SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 
-       m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
+       m->sdmax_rlcx_rb_rptr = RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
        m->sdmax_rlcx_rb_rptr_hi =
-               RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI);
+               RREG32(rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI);
 
        return 0;
 }
-- 
2.17.1

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