diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 99 |
1 files changed, 56 insertions, 43 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 0a67124bb2a4..da48819ff2e6 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -18,6 +18,8 @@ #include <linux/dma-fence.h> #include <linux/moduleparam.h> #include <linux/of_device.h> + +#include "etnaviv_cmdbuf.h" #include "etnaviv_dump.h" #include "etnaviv_gpu.h" #include "etnaviv_gem.h" @@ -546,6 +548,37 @@ void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch) VIVS_FE_COMMAND_CONTROL_PREFETCH(prefetch)); } +static void etnaviv_gpu_setup_pulse_eater(struct etnaviv_gpu *gpu) +{ + /* + * Base value for VIVS_PM_PULSE_EATER register on models where it + * cannot be read, extracted from vivante kernel driver. + */ + u32 pulse_eater = 0x01590880; + + if (etnaviv_is_model_rev(gpu, GC4000, 0x5208) || + etnaviv_is_model_rev(gpu, GC4000, 0x5222)) { + pulse_eater |= BIT(23); + + } + + if (etnaviv_is_model_rev(gpu, GC1000, 0x5039) || + etnaviv_is_model_rev(gpu, GC1000, 0x5040)) { + pulse_eater &= ~BIT(16); + pulse_eater |= BIT(17); + } + + if ((gpu->identity.revision > 0x5420) && + (gpu->identity.features & chipFeatures_PIPE_3D)) + { + /* Performance fix: disable internal DFS */ + pulse_eater = gpu_read(gpu, VIVS_PM_PULSE_EATER); + pulse_eater |= BIT(18); + } + + gpu_write(gpu, VIVS_PM_PULSE_EATER, pulse_eater); +} + static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) { u16 prefetch; @@ -586,6 +619,9 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) gpu_write(gpu, VIVS_MC_BUS_CONFIG, bus_config); } + /* setup the pulse eater */ + etnaviv_gpu_setup_pulse_eater(gpu); + /* setup the MMU */ etnaviv_iommu_restore(gpu); @@ -593,7 +629,7 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu) prefetch = etnaviv_buffer_init(gpu); gpu_write(gpu, VIVS_HI_INTR_ENBL, ~0U); - etnaviv_gpu_start_fe(gpu, etnaviv_iommu_get_cmdbuf_va(gpu, gpu->buffer), + etnaviv_gpu_start_fe(gpu, etnaviv_cmdbuf_get_va(gpu->buffer), prefetch); } @@ -658,8 +694,15 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } + gpu->cmdbuf_suballoc = etnaviv_cmdbuf_suballoc_new(gpu); + if (IS_ERR(gpu->cmdbuf_suballoc)) { + dev_err(gpu->dev, "Failed to create cmdbuf suballocator\n"); + ret = PTR_ERR(gpu->cmdbuf_suballoc); + goto fail; + } + /* Create buffer: */ - gpu->buffer = etnaviv_gpu_cmdbuf_new(gpu, PAGE_SIZE, 0); + gpu->buffer = etnaviv_cmdbuf_new(gpu->cmdbuf_suballoc, PAGE_SIZE, 0); if (!gpu->buffer) { ret = -ENOMEM; dev_err(gpu->dev, "could not create command buffer\n"); @@ -667,7 +710,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) } if (gpu->mmu->version == ETNAVIV_IOMMU_V1 && - gpu->buffer->paddr - gpu->memory_base > 0x80000000) { + etnaviv_cmdbuf_get_va(gpu->buffer) > 0x80000000) { ret = -EINVAL; dev_err(gpu->dev, "command buffer outside valid memory window\n"); @@ -694,7 +737,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) return 0; free_buffer: - etnaviv_gpu_cmdbuf_free(gpu->buffer); + etnaviv_cmdbuf_free(gpu->buffer); gpu->buffer = NULL; destroy_iommu: etnaviv_iommu_destroy(gpu->mmu); @@ -1117,41 +1160,6 @@ static void event_free(struct etnaviv_gpu *gpu, unsigned int event) * Cmdstream submission/retirement: */ -struct etnaviv_cmdbuf *etnaviv_gpu_cmdbuf_new(struct etnaviv_gpu *gpu, u32 size, - size_t nr_bos) -{ - struct etnaviv_cmdbuf *cmdbuf; - size_t sz = size_vstruct(nr_bos, sizeof(cmdbuf->bo_map[0]), - sizeof(*cmdbuf)); - - cmdbuf = kzalloc(sz, GFP_KERNEL); - if (!cmdbuf) - return NULL; - - if (gpu->mmu->version == ETNAVIV_IOMMU_V2) - size = ALIGN(size, SZ_4K); - - cmdbuf->vaddr = dma_alloc_wc(gpu->dev, size, &cmdbuf->paddr, - GFP_KERNEL); - if (!cmdbuf->vaddr) { - kfree(cmdbuf); - return NULL; - } - - cmdbuf->gpu = gpu; - cmdbuf->size = size; - - return cmdbuf; -} - -void etnaviv_gpu_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf) -{ - etnaviv_iommu_put_cmdbuf_va(cmdbuf->gpu, cmdbuf); - dma_free_wc(cmdbuf->gpu->dev, cmdbuf->size, cmdbuf->vaddr, - cmdbuf->paddr); - kfree(cmdbuf); -} - static void retire_worker(struct work_struct *work) { struct etnaviv_gpu *gpu = container_of(work, struct etnaviv_gpu, @@ -1177,7 +1185,7 @@ static void retire_worker(struct work_struct *work) etnaviv_gem_mapping_unreference(mapping); } - etnaviv_gpu_cmdbuf_free(cmdbuf); + etnaviv_cmdbuf_free(cmdbuf); /* * We need to balance the runtime PM count caused by * each submission. Upon submission, we increment @@ -1303,6 +1311,8 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, goto out_pm_put; } + mutex_lock(&gpu->lock); + fence = etnaviv_gpu_fence_alloc(gpu); if (!fence) { event_free(gpu, event); @@ -1310,8 +1320,6 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, goto out_pm_put; } - mutex_lock(&gpu->lock); - gpu->event[event].fence = fence; submit->fence = fence->seqno; gpu->active_fence = submit->fence; @@ -1593,10 +1601,15 @@ static void etnaviv_gpu_unbind(struct device *dev, struct device *master, #endif if (gpu->buffer) { - etnaviv_gpu_cmdbuf_free(gpu->buffer); + etnaviv_cmdbuf_free(gpu->buffer); gpu->buffer = NULL; } + if (gpu->cmdbuf_suballoc) { + etnaviv_cmdbuf_suballoc_destroy(gpu->cmdbuf_suballoc); + gpu->cmdbuf_suballoc = NULL; + } + if (gpu->mmu) { etnaviv_iommu_destroy(gpu->mmu); gpu->mmu = NULL; |