diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a2xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 168 |
1 files changed, 119 insertions, 49 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index 1f83bc18d500..1b1ee14b65cf 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -10,8 +10,51 @@ extern bool hang_debug; static void a2xx_dump(struct msm_gpu *gpu); static bool a2xx_idle(struct msm_gpu *gpu); +static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) +{ + struct msm_ringbuffer *ring = submit->ring; + unsigned int i; + + for (i = 0; i < submit->nr_cmds; i++) { + switch (submit->cmd[i].type) { + case MSM_SUBMIT_CMD_IB_TARGET_BUF: + /* ignore IB-targets */ + break; + case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: + /* ignore if there has not been a ctx switch: */ + if (ring->cur_ctx_seqno == submit->queue->ctx->seqno) + break; + fallthrough; + case MSM_SUBMIT_CMD_BUF: + OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2); + OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); + OUT_RING(ring, submit->cmd[i].size); + OUT_PKT2(ring); + break; + } + } + + OUT_PKT0(ring, REG_AXXX_CP_SCRATCH_REG2, 1); + OUT_RING(ring, submit->seqno); + + /* wait for idle before cache flush/interrupt */ + OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1); + OUT_RING(ring, 0x00000000); + + OUT_PKT3(ring, CP_EVENT_WRITE, 3); + OUT_RING(ring, CACHE_FLUSH_TS); + OUT_RING(ring, rbmemptr(ring, fence)); + OUT_RING(ring, submit->seqno); + OUT_PKT3(ring, CP_INTERRUPT, 1); + OUT_RING(ring, 0x80000000); + + adreno_flush(gpu, ring, REG_AXXX_CP_RB_WPTR); +} + static bool a2xx_me_init(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = gpu->rb[0]; OUT_PKT3(ring, CP_ME_INIT, 18); @@ -43,28 +86,34 @@ static bool a2xx_me_init(struct msm_gpu *gpu) /* NQ and External Memory Swap */ OUT_RING(ring, 0x00000000); /* protected mode error checking (0x1f2 is REG_AXXX_CP_INT_CNTL) */ - OUT_RING(ring, 0x200001f2); + if (a2xx_gpu->protection_disabled) + OUT_RING(ring, 0x00000000); + else + OUT_RING(ring, 0x200001f2); /* Disable header dumping and Header dump address */ OUT_RING(ring, 0x00000000); /* Header dump size */ OUT_RING(ring, 0x00000000); - /* enable protected mode */ - OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1); - OUT_RING(ring, 1); + if (!a2xx_gpu->protection_disabled) { + /* enable protected mode */ + OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1); + OUT_RING(ring, 1); + } - gpu->funcs->flush(gpu, ring); + adreno_flush(gpu, ring, REG_AXXX_CP_RB_WPTR); return a2xx_idle(gpu); } static int a2xx_hw_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu); dma_addr_t pt_base, tran_error; uint32_t *ptr, len; int i, ret; - msm_gpummu_params(gpu->aspace->mmu, &pt_base, &tran_error); + a2xx_gpummu_params(to_msm_vm(gpu->vm)->mmu, &pt_base, &tran_error); DBG("%s", gpu->name); @@ -156,7 +205,7 @@ static int a2xx_hw_init(struct msm_gpu *gpu) A2XX_MH_INTERRUPT_MASK_MMU_PAGE_FAULT); for (i = 3; i <= 5; i++) - if ((SZ_16K << i) == adreno_gpu->gmem) + if ((SZ_16K << i) == adreno_gpu->info->gmem) break; gpu_write(gpu, REG_A2XX_RB_EDRAM_INFO, i); @@ -164,6 +213,11 @@ static int a2xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + gpu_write(gpu, REG_AXXX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + gpu_write(gpu, REG_AXXX_CP_RB_BASE, lower_32_bits(gpu->rb[0]->iova)); + /* NOTE: PM4/micro-engine firmware registers look to be the same * for a2xx and a3xx.. we could possibly push that part down to * adreno_gpu base class. Or push both PM4 and PFP but @@ -175,6 +229,17 @@ static int a2xx_hw_init(struct msm_gpu *gpu) len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4; DBG("loading PM4 ucode version: %x", ptr[1]); + /* + * New firmware files seem to have GPU and firmware version in this + * word (0x20xxxx for A200, 0x220xxx for A220, 0x225xxx for A225). + * Older firmware files, which lack protection support, have 0 instead. + */ + if (ptr[1] == 0 && !a2xx_gpu->protection_disabled) { + dev_warn(gpu->dev->dev, + "Legacy firmware detected, disabling protection support\n"); + a2xx_gpu->protection_disabled = true; + } + gpu_write(gpu, REG_AXXX_CP_DEBUG, AXXX_CP_DEBUG_MIU_128BIT_WRITE_ENABLE); gpu_write(gpu, REG_AXXX_CP_ME_RAM_WADDR, 0); @@ -401,48 +466,38 @@ static struct msm_gpu_state *a2xx_gpu_state_get(struct msm_gpu *gpu) return state; } -/* Register offset defines for A2XX - copy of A3XX */ -static const unsigned int a2xx_register_offsets[REG_ADRENO_REGISTER_MAX] = { - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_AXXX_CP_RB_BASE), - REG_ADRENO_SKIP(REG_ADRENO_CP_RB_BASE_HI), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_AXXX_CP_RB_RPTR_ADDR), - REG_ADRENO_SKIP(REG_ADRENO_CP_RB_RPTR_ADDR_HI), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_AXXX_CP_RB_RPTR), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_AXXX_CP_RB_WPTR), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_AXXX_CP_RB_CNTL), -}; +static struct drm_gpuvm * +a2xx_create_vm(struct msm_gpu *gpu, struct platform_device *pdev) +{ + struct msm_mmu *mmu = a2xx_gpummu_new(&pdev->dev, gpu); + struct drm_gpuvm *vm; -static const struct adreno_gpu_funcs funcs = { - .base = { - .get_param = adreno_get_param, - .hw_init = a2xx_hw_init, - .pm_suspend = msm_gpu_pm_suspend, - .pm_resume = msm_gpu_pm_resume, - .recover = a2xx_recover, - .submit = adreno_submit, - .flush = adreno_flush, - .active_ring = adreno_active_ring, - .irq = a2xx_irq, - .destroy = a2xx_destroy, -#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) - .show = adreno_show, -#endif - .gpu_state_get = a2xx_gpu_state_get, - .gpu_state_put = adreno_gpu_state_put, - }, -}; + vm = msm_gem_vm_create(gpu->dev, mmu, "gpu", SZ_16M, 0xfff * SZ_64K, true); + + if (IS_ERR(vm) && !IS_ERR(mmu)) + mmu->funcs->destroy(mmu); + + return vm; +} + +static u32 a2xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) +{ + ring->memptrs->rptr = gpu_read(gpu, REG_AXXX_CP_RB_RPTR); + return ring->memptrs->rptr; +} static const struct msm_gpu_perfcntr perfcntrs[] = { /* TODO */ }; -struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) +static struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) { struct a2xx_gpu *a2xx_gpu = NULL; struct adreno_gpu *adreno_gpu; struct msm_gpu *gpu; struct msm_drm_private *priv = dev->dev_private; struct platform_device *pdev = priv->gpu_pdev; + struct adreno_platform_config *config = pdev->dev.platform_data; int ret; if (!pdev) { @@ -463,6 +518,10 @@ struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) gpu->perfcntrs = perfcntrs; gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs); + ret = adreno_gpu_init(dev, pdev, adreno_gpu, config->info->funcs, 1); + if (ret) + goto fail; + if (adreno_is_a20x(adreno_gpu)) adreno_gpu->registers = a200_registers; else if (adreno_is_a225(adreno_gpu)) @@ -470,18 +529,6 @@ struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) else adreno_gpu->registers = a220_registers; - adreno_gpu->reg_offsets = a2xx_register_offsets; - - ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); - if (ret) - goto fail; - - if (!gpu->aspace) { - dev_err(dev->dev, "No memory protection without MMU\n"); - ret = -ENXIO; - goto fail; - } - return gpu; fail: @@ -490,3 +537,26 @@ fail: return ERR_PTR(ret); } + +const struct adreno_gpu_funcs a2xx_gpu_funcs = { + .base = { + .get_param = adreno_get_param, + .set_param = adreno_set_param, + .hw_init = a2xx_hw_init, + .pm_suspend = msm_gpu_pm_suspend, + .pm_resume = msm_gpu_pm_resume, + .recover = a2xx_recover, + .submit = a2xx_submit, + .active_ring = adreno_active_ring, + .irq = a2xx_irq, + .destroy = a2xx_destroy, +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) + .show = adreno_show, +#endif + .gpu_state_get = a2xx_gpu_state_get, + .gpu_state_put = adreno_gpu_state_put, + .create_vm = a2xx_create_vm, + .get_rptr = a2xx_get_rptr, + }, + .init = a2xx_gpu_init, +}; |