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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-01 10:58:11 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-01 10:58:11 +0100 |
| commit | e2b06d71bd3f50ac7098b3f2492ea95470b713db (patch) | |
| tree | 107c48a9d0782279fde07b6fda44994b96b9ac36 /drivers/gpu/drm/msm/adreno/adreno_gpu.c | |
| parent | 1692cd60d999b00a0491692dab0286e6011abd36 (diff) | |
| parent | 18566acac18f5784347bc5fe636a26897d1c963b (diff) | |
| download | linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.tar.gz linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.tar.bz2 linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Chris Wilson wants the new fence tracepoint added in
commit 8c96c678011eeb1676da18f203e90dea7e0d69d2
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jan 24 11:57:58 2017 +0000
dma/fence: Export enable-signaling tracepoint for emission by drivers
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index a18126150e11..686a580c711a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -213,7 +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(); @@ -338,7 +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; @@ -378,8 +384,8 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return ret; } - mmu = gpu->aspace->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) |