diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index f386f463278d..5ae65426b4e5 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -22,7 +22,7 @@ #include "msm_mmu.h" #define RB_SIZE SZ_32K -#define RB_BLKSIZE 16 +#define RB_BLKSIZE 32 int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) { @@ -54,9 +54,6 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) } } -#define rbmemptr(adreno_gpu, member) \ - ((adreno_gpu)->memptrs_iova + offsetof(struct adreno_rbmemptrs, member)) - int adreno_hw_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); @@ -79,11 +76,14 @@ int adreno_hw_init(struct msm_gpu *gpu) (adreno_is_a430(adreno_gpu) ? AXXX_CP_RB_CNTL_NO_UPDATE : 0)); /* Setup ringbuffer address: */ - adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_BASE, gpu->rb_iova); + adreno_gpu_write64(adreno_gpu, REG_ADRENO_CP_RB_BASE, + REG_ADRENO_CP_RB_BASE_HI, gpu->rb_iova); - if (!adreno_is_a430(adreno_gpu)) - adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_RPTR_ADDR, - rbmemptr(adreno_gpu, rptr)); + if (!adreno_is_a430(adreno_gpu)) { + adreno_gpu_write64(adreno_gpu, REG_ADRENO_CP_RB_RPTR_ADDR, + REG_ADRENO_CP_RB_RPTR_ADDR_HI, + rbmemptr(adreno_gpu, rptr)); + } return 0; } @@ -126,11 +126,14 @@ void adreno_recover(struct msm_gpu *gpu) adreno_gpu->memptrs->wptr = 0; gpu->funcs->pm_resume(gpu); + + disable_irq(gpu->irq); ret = gpu->funcs->hw_init(gpu); if (ret) { dev_err(dev->dev, "gpu hw init failed: %d\n", ret); /* hmm, oh well? */ } + enable_irq(gpu->irq); } void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, @@ -210,7 +213,14 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, void adreno_flush(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); - uint32_t wptr = get_wptr(gpu->rb); + uint32_t wptr; + + /* + * Mask wptr value that we calculate to fit in the HW range. This is + * to account for the possibility that the last command fit exactly into + * the ringbuffer and rb->next hasn't wrapped to zero yet + */ + wptr = get_wptr(gpu->rb) & ((gpu->rb->size / 4) - 1); /* ensure writes to ringbuffer have hit system memory: */ mb(); @@ -218,19 +228,18 @@ void adreno_flush(struct msm_gpu *gpu) adreno_gpu_write(adreno_gpu, REG_ADRENO_CP_RB_WPTR, wptr); } -void adreno_idle(struct msm_gpu *gpu) +bool adreno_idle(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); uint32_t wptr = get_wptr(gpu->rb); - int ret; /* wait for CP to drain ringbuffer: */ - ret = spin_until(get_rptr(adreno_gpu) == wptr); - - if (ret) - DRM_ERROR("%s: timeout waiting to drain ringbuffer!\n", gpu->name); + if (!spin_until(get_rptr(adreno_gpu) == wptr)) + return true; /* TODO maybe we need to reset GPU here to recover from hang? */ + DRM_ERROR("%s: timeout waiting to drain ringbuffer!\n", gpu->name); + return false; } #ifdef CONFIG_DEBUG_FS @@ -278,7 +287,6 @@ void adreno_show(struct msm_gpu *gpu, struct seq_file *m) void adreno_dump_info(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); - int i; printk("revision: %d (%d.%d.%d.%d)\n", adreno_gpu->info->revn, adreno_gpu->rev.core, @@ -290,11 +298,6 @@ void adreno_dump_info(struct msm_gpu *gpu) printk("rptr: %d\n", get_rptr(adreno_gpu)); printk("wptr: %d\n", adreno_gpu->memptrs->wptr); printk("rb wptr: %d\n", get_wptr(gpu->rb)); - - for (i = 0; i < 8; i++) { - printk("CP_SCRATCH_REG%d: %u\n", i, - gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i)); - } } /* would be nice to not have to duplicate the _show() stuff with printk(): */ @@ -342,7 +345,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, { struct adreno_platform_config *config = pdev->dev.platform_data; struct msm_gpu *gpu = &adreno_gpu->base; - struct msm_mmu *mmu; int ret; adreno_gpu->funcs = funcs; @@ -381,8 +383,8 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return ret; } - mmu = gpu->mmu; - if (mmu) { + if (gpu->aspace && gpu->aspace->mmu) { + struct msm_mmu *mmu = gpu->aspace->mmu; ret = mmu->funcs->attach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports)); if (ret) @@ -416,18 +418,27 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return 0; } -void adreno_gpu_cleanup(struct adreno_gpu *gpu) +void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) { - if (gpu->memptrs_bo) { - if (gpu->memptrs) - msm_gem_put_vaddr(gpu->memptrs_bo); + struct msm_gpu *gpu = &adreno_gpu->base; + + if (adreno_gpu->memptrs_bo) { + if (adreno_gpu->memptrs) + msm_gem_put_vaddr(adreno_gpu->memptrs_bo); + + if (adreno_gpu->memptrs_iova) + msm_gem_put_iova(adreno_gpu->memptrs_bo, gpu->id); + + drm_gem_object_unreference_unlocked(adreno_gpu->memptrs_bo); + } + release_firmware(adreno_gpu->pm4); + release_firmware(adreno_gpu->pfp); - if (gpu->memptrs_iova) - msm_gem_put_iova(gpu->memptrs_bo, gpu->base.id); + msm_gpu_cleanup(gpu); - drm_gem_object_unreference_unlocked(gpu->memptrs_bo); + if (gpu->aspace) { + gpu->aspace->mmu->funcs->detach(gpu->aspace->mmu, + iommu_ports, ARRAY_SIZE(iommu_ports)); + msm_gem_address_space_destroy(gpu->aspace); } - release_firmware(gpu->pm4); - release_firmware(gpu->pfp); - msm_gpu_cleanup(&gpu->base); } |