[PATCH v3 3/5] drm/amdgpu: Modify indirect register access for amdkfd_gfx_v9 sriov

Nieto, David M David.Nieto at amd.com
Thu Dec 16 20:04:11 UTC 2021


[AMD Official Use Only]

Reviewed-by: David Nieto <david.nieto at amd.com>
________________________________
From: Skvortsov, Victor <Victor.Skvortsov at amd.com>
Sent: Thursday, December 16, 2021 11:42 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>; Deng, Emily <Emily.Deng at amd.com>; Liu, Monk <Monk.Liu at amd.com>; Ming, Davis <Davis.Ming at amd.com>; Liu, Shaoyun <Shaoyun.Liu at amd.com>; Zhou, Peng Ju <PengJu.Zhou at amd.com>; Chen, JingWen <JingWen.Chen2 at amd.com>; Chen, Horace <Horace.Chen at amd.com>; Nieto, David M <David.Nieto at amd.com>
Cc: Skvortsov, Victor <Victor.Skvortsov at amd.com>
Subject: [PATCH v3 3/5] drm/amdgpu: Modify indirect register access for amdkfd_gfx_v9 sriov

Modify GC register access from MMIO to RLCG if the indirect
flag is set

Signed-off-by: Victor Skvortsov <victor.skvortsov at amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 27 +++++++++----------
 1 file changed, 13 insertions(+), 14 deletions(-)

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 ddfe7aff919d..1abf662a0e91 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -166,7 +166,7 @@ int kgd_gfx_v9_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id)

         lock_srbm(adev, mec, pipe, 0, 0);

-       WREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL),
+       WREG32_SOC15(GC, 0, mmCPC_INT_CNTL,
                 CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK |
                 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK);

@@ -279,7 +279,7 @@ int kgd_gfx_v9_hqd_load(struct amdgpu_device *adev, void *mqd,
                        lower_32_bits((uintptr_t)wptr));
                 WREG32_RLC(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI),
                        upper_32_bits((uintptr_t)wptr));
-               WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1),
+               WREG32_SOC15(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1,
                        (uint32_t)get_queue_mask(adev, pipe_id, queue_id));
         }

@@ -488,13 +488,13 @@ bool kgd_gfx_v9_hqd_is_occupied(struct amdgpu_device *adev,
         uint32_t low, high;

         acquire_queue(adev, pipe_id, queue_id);
-       act = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE));
+       act = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE);
         if (act) {
                 low = lower_32_bits(queue_address >> 8);
                 high = upper_32_bits(queue_address >> 8);

-               if (low == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE)) &&
-                  high == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE_HI)))
+               if (low == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE) &&
+                  high == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE_HI))
                         retval = true;
         }
         release_queue(adev);
@@ -556,7 +556,7 @@ int kgd_gfx_v9_hqd_destroy(struct amdgpu_device *adev, void *mqd,

         end_jiffies = (utimeout * HZ / 1000) + jiffies;
         while (true) {
-               temp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE));
+               temp = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE);
                 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
                         break;
                 if (time_after(jiffies, end_jiffies)) {
@@ -645,7 +645,7 @@ int kgd_gfx_v9_wave_control_execute(struct amdgpu_device *adev,
         mutex_lock(&adev->grbm_idx_mutex);

         WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_INDEX, gfx_index_val);
-       WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_CMD), sq_cmd);
+       WREG32_SOC15(GC, 0, mmSQ_CMD, sq_cmd);

         data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
                 INSTANCE_BROADCAST_WRITES, 1);
@@ -722,7 +722,7 @@ static void get_wave_count(struct amdgpu_device *adev, int queue_idx,
         pipe_idx = queue_idx / adev->gfx.mec.num_queue_per_pipe;
         queue_slot = queue_idx % adev->gfx.mec.num_queue_per_pipe;
         soc15_grbm_select(adev, 1, pipe_idx, queue_slot, 0);
-       reg_val = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_CSQ_WF_ACTIVE_COUNT_0) +
+       reg_val = RREG32_SOC15_IP(GC, SOC15_REG_OFFSET(GC, 0, mmSPI_CSQ_WF_ACTIVE_COUNT_0) +
                          queue_slot);
         *wave_cnt = reg_val & SPI_CSQ_WF_ACTIVE_COUNT_0__COUNT_MASK;
         if (*wave_cnt != 0)
@@ -809,8 +809,7 @@ void kgd_gfx_v9_get_cu_occupancy(struct amdgpu_device *adev, int pasid,
                 for (sh_idx = 0; sh_idx < sh_cnt; sh_idx++) {

                         gfx_v9_0_select_se_sh(adev, se_idx, sh_idx, 0xffffffff);
-                       queue_map = RREG32(SOC15_REG_OFFSET(GC, 0,
-                                          mmSPI_CSQ_WF_ACTIVE_STATUS));
+                       queue_map = RREG32_SOC15(GC, 0, mmSPI_CSQ_WF_ACTIVE_STATUS);

                         /*
                          * Assumption: queue map encodes following schema: four
@@ -860,17 +859,17 @@ void kgd_gfx_v9_program_trap_handler_settings(struct amdgpu_device *adev,
         /*
          * Program TBA registers
          */
-       WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_LO),
+       WREG32_SOC15(GC, 0, mmSQ_SHADER_TBA_LO,
                         lower_32_bits(tba_addr >> 8));
-       WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_HI),
+       WREG32_SOC15(GC, 0, mmSQ_SHADER_TBA_HI,
                         upper_32_bits(tba_addr >> 8));

         /*
          * Program TMA registers
          */
-       WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_LO),
+       WREG32_SOC15(GC, 0, mmSQ_SHADER_TMA_LO,
                         lower_32_bits(tma_addr >> 8));
-       WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_HI),
+       WREG32_SOC15(GC, 0, mmSQ_SHADER_TMA_HI,
                         upper_32_bits(tma_addr >> 8));

         unlock_srbm(adev);
--
2.25.1

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