diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mes_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 136 |
1 files changed, 133 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 9ecc5d61e49b..5b537806b4da 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -24,6 +24,7 @@ #include <linux/firmware.h> #include <linux/module.h> #include "amdgpu.h" +#include "gfx_v12_0.h" #include "soc15_common.h" #include "soc21.h" #include "gc/gc_12_0_0_offset.h" @@ -350,6 +351,132 @@ static int mes_v12_0_remove_hw_queue(struct amdgpu_mes *mes, offsetof(union MESAPI__REMOVE_QUEUE, api_status)); } +int gfx_v12_0_request_gfx_index_mutex(struct amdgpu_device *adev, + bool req) +{ + u32 i, tmp, val; + + for (i = 0; i < adev->usec_timeout; i++) { + /* Request with MeId=2, PipeId=0 */ + tmp = REG_SET_FIELD(0, CP_GFX_INDEX_MUTEX, REQUEST, req); + tmp = REG_SET_FIELD(tmp, CP_GFX_INDEX_MUTEX, CLIENTID, 4); + WREG32_SOC15(GC, 0, regCP_GFX_INDEX_MUTEX, tmp); + + val = RREG32_SOC15(GC, 0, regCP_GFX_INDEX_MUTEX); + if (req) { + if (val == tmp) + break; + } else { + tmp = REG_SET_FIELD(tmp, CP_GFX_INDEX_MUTEX, + REQUEST, 1); + + /* unlocked or locked by firmware */ + if (val != tmp) + break; + } + udelay(1); + } + + if (i >= adev->usec_timeout) + return -EINVAL; + + return 0; +} + +static int mes_v12_0_reset_queue_mmio(struct amdgpu_mes *mes, uint32_t queue_type, + uint32_t me_id, uint32_t pipe_id, + uint32_t queue_id, uint32_t vmid) +{ + struct amdgpu_device *adev = mes->adev; + uint32_t value, reg; + int i, r = 0; + + amdgpu_gfx_rlc_enter_safe_mode(adev, 0); + + if (queue_type == AMDGPU_RING_TYPE_GFX) { + dev_info(adev->dev, "reset gfx queue (%d:%d:%d: vmid:%d)\n", + me_id, pipe_id, queue_id, vmid); + + mutex_lock(&adev->gfx.reset_sem_mutex); + gfx_v12_0_request_gfx_index_mutex(adev, true); + /* all se allow writes */ + WREG32_SOC15(GC, 0, regGRBM_GFX_INDEX, + (uint32_t)(0x1 << GRBM_GFX_INDEX__SE_BROADCAST_WRITES__SHIFT)); + value = REG_SET_FIELD(0, CP_VMID_RESET, RESET_REQUEST, 1 << vmid); + if (pipe_id == 0) + value = REG_SET_FIELD(value, CP_VMID_RESET, PIPE0_QUEUES, 1 << queue_id); + else + value = REG_SET_FIELD(value, CP_VMID_RESET, PIPE1_QUEUES, 1 << queue_id); + WREG32_SOC15(GC, 0, regCP_VMID_RESET, value); + gfx_v12_0_request_gfx_index_mutex(adev, false); + mutex_unlock(&adev->gfx.reset_sem_mutex); + + mutex_lock(&adev->srbm_mutex); + soc21_grbm_select(adev, me_id, pipe_id, queue_id, 0); + /* wait till dequeue take effects */ + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32_SOC15(GC, 0, regCP_GFX_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) { + dev_err(adev->dev, "failed to wait on gfx hqd deactivate\n"); + r = -ETIMEDOUT; + } + + soc21_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + } else if (queue_type == AMDGPU_RING_TYPE_COMPUTE) { + dev_info(adev->dev, "reset compute queue (%d:%d:%d)\n", + me_id, pipe_id, queue_id); + mutex_lock(&adev->srbm_mutex); + soc21_grbm_select(adev, me_id, pipe_id, queue_id, 0); + WREG32_SOC15(GC, 0, regCP_HQD_DEQUEUE_REQUEST, 0x2); + WREG32_SOC15(GC, 0, regSPI_COMPUTE_QUEUE_RESET, 0x1); + + /* wait till dequeue take effects */ + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32_SOC15(GC, 0, regCP_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) { + dev_err(adev->dev, "failed to wait on hqd deactivate\n"); + r = -ETIMEDOUT; + } + soc21_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + } else if (queue_type == AMDGPU_RING_TYPE_SDMA) { + dev_info(adev->dev, "reset sdma queue (%d:%d:%d)\n", + me_id, pipe_id, queue_id); + switch (me_id) { + case 1: + reg = SOC15_REG_OFFSET(GC, 0, regSDMA1_QUEUE_RESET_REQ); + break; + case 0: + default: + reg = SOC15_REG_OFFSET(GC, 0, regSDMA0_QUEUE_RESET_REQ); + break; + } + + value = 1 << queue_id; + WREG32(reg, value); + /* wait for queue reset done */ + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32(reg) & value)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) { + dev_err(adev->dev, "failed to wait on sdma queue reset done\n"); + r = -ETIMEDOUT; + } + } + + amdgpu_gfx_rlc_exit_safe_mode(adev, 0); + return r; +} + static int mes_v12_0_reset_hw_queue(struct amdgpu_mes *mes, struct mes_reset_queue_input *input) { @@ -721,6 +848,11 @@ static int mes_v12_0_reset_legacy_queue(struct amdgpu_mes *mes, union MESAPI__RESET mes_reset_queue_pkt; int pipe; + if (input->use_mmio) + return mes_v12_0_reset_queue_mmio(mes, input->queue_type, + input->me_id, input->pipe_id, + input->queue_id, input->vmid); + memset(&mes_reset_queue_pkt, 0, sizeof(mes_reset_queue_pkt)); mes_reset_queue_pkt.header.type = MES_API_TYPE_SCHEDULER; @@ -1455,9 +1587,7 @@ static void mes_v12_0_kiq_setting(struct amdgpu_ring *ring) tmp = RREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS); tmp &= 0xffffff00; tmp |= (ring->me << 5) | (ring->pipe << 3) | (ring->queue); - WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp); - tmp |= 0x80; - WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp); + WREG32_SOC15(GC, 0, regRLC_CP_SCHEDULERS, tmp | 0x80); } static int mes_v12_0_kiq_hw_init(struct amdgpu_device *adev) |