drm/panfrost/panfrost_perfcnt.c

38 void panfrost_perfcnt_clean_cache_done(struct panfrost_device *pfdev)
40 	complete(&pfdev->perfcnt->dump_comp);
43 void panfrost_perfcnt_sample_done(struct panfrost_device *pfdev)
45 	gpu_write(pfdev, GPU_CMD, GPU_CMD_CLEAN_CACHES);
48 static int panfrost_perfcnt_dump_locked(struct panfrost_device *pfdev)
53 	reinit_completion(&pfdev->perfcnt->dump_comp);
54 	gpuva = pfdev->perfcnt->mapping->mmnode.start << PAGE_SHIFT;
55 	gpu_write(pfdev, GPU_PERFCNT_BASE_LO, lower_32_bits(gpuva));
56 	gpu_write(pfdev, GPU_PERFCNT_BASE_HI, upper_32_bits(gpuva));
57 	gpu_write(pfdev, GPU_INT_CLEAR,
60 	gpu_write(pfdev, GPU_CMD, GPU_CMD_PERFCNT_SAMPLE);
61 	ret = wait_for_completion_interruptible_timeout(&pfdev->perfcnt->dump_comp,
71 static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev,
76 	struct panfrost_perfcnt *perfcnt = pfdev->perfcnt;
87 	ret = pm_runtime_get_sync(pfdev->dev);
91 	bo = drm_gem_shmem_create(pfdev->ddev, perfcnt->bosize);
120 	reinit_completion(&pfdev->perfcnt->dump_comp);
121 	gpu_write(pfdev, GPU_INT_CLEAR,
124 	gpu_write(pfdev, GPU_CMD, GPU_CMD_PERFCNT_CLEAR);
125 	gpu_write(pfdev, GPU_CMD, GPU_CMD_CLEAN_INV_CACHES);
126 	ret = wait_for_completion_timeout(&pfdev->perfcnt->dump_comp,
135 	as = panfrost_mmu_as_get(pfdev, perfcnt->mapping->mmu);
143 	if (panfrost_model_is_bifrost(pfdev))
146 	gpu_write(pfdev, GPU_PRFCNT_JM_EN, 0xffffffff);
147 	gpu_write(pfdev, GPU_PRFCNT_SHADER_EN, 0xffffffff);
148 	gpu_write(pfdev, GPU_PRFCNT_MMU_L2_EN, 0xffffffff);
154 	if (panfrost_has_hw_issue(pfdev, HW_ISSUE_8186))
155 		gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0);
157 		gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0xffffffff);
159 	gpu_write(pfdev, GPU_PERFCNT_CFG, cfg);
161 	if (panfrost_has_hw_issue(pfdev, HW_ISSUE_8186))
162 		gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0xffffffff);
178 	pm_runtime_put(pfdev->dev);
182 static int panfrost_perfcnt_disable_locked(struct panfrost_device *pfdev,
186 	struct panfrost_perfcnt *perfcnt = pfdev->perfcnt;
192 	gpu_write(pfdev, GPU_PRFCNT_JM_EN, 0x0);
193 	gpu_write(pfdev, GPU_PRFCNT_SHADER_EN, 0x0);
194 	gpu_write(pfdev, GPU_PRFCNT_MMU_L2_EN, 0x0);
195 	gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0);
196 	gpu_write(pfdev, GPU_PERFCNT_CFG,
203 	panfrost_mmu_as_put(pfdev, perfcnt->mapping->mmu);
206 	pm_runtime_mark_last_busy(pfdev->dev);
207 	pm_runtime_put_autosuspend(pfdev->dev);
215 	struct panfrost_device *pfdev = dev->dev_private;
216 	struct panfrost_perfcnt *perfcnt = pfdev->perfcnt;
225 	if (req->counterset > (panfrost_model_is_bifrost(pfdev) ? 1 : 0))
230 		ret = panfrost_perfcnt_enable_locked(pfdev, file_priv,
233 		ret = panfrost_perfcnt_disable_locked(pfdev, file_priv);
242 	struct panfrost_device *pfdev = dev->dev_private;
243 	struct panfrost_perfcnt *perfcnt = pfdev->perfcnt;
258 	ret = panfrost_perfcnt_dump_locked(pfdev);
274 	struct panfrost_device *pfdev = pfile->pfdev;
275 	struct panfrost_perfcnt *perfcnt = pfdev->perfcnt;
277 	pm_runtime_get_sync(pfdev->dev);
280 		panfrost_perfcnt_disable_locked(pfdev, file_priv);
282 	pm_runtime_mark_last_busy(pfdev->dev);
283 	pm_runtime_put_autosuspend(pfdev->dev);
286 int panfrost_perfcnt_init(struct panfrost_device *pfdev)
291 	if (panfrost_has_hw_feature(pfdev, HW_FEATURE_V4)) {
294 		ncoregroups = hweight64(pfdev->features.l2_present);
304 		nl2c = ((pfdev->features.mem_features >> 8) & GENMASK(3, 0)) + 1;
311 		ncores = fls64(pfdev->features.shader_present);
321 	perfcnt = devm_kzalloc(pfdev->dev, sizeof(*perfcnt), GFP_KERNEL);
328 	gpu_write(pfdev, GPU_PERFCNT_CFG,
330 	gpu_write(pfdev, GPU_PRFCNT_JM_EN, 0);
331 	gpu_write(pfdev, GPU_PRFCNT_SHADER_EN, 0);
332 	gpu_write(pfdev, GPU_PRFCNT_MMU_L2_EN, 0);
333 	gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0);
337 	pfdev->perfcnt = perfcnt;
342 void panfrost_perfcnt_fini(struct panfrost_device *pfdev)
345 	gpu_write(pfdev, GPU_PERFCNT_CFG,
347 	gpu_write(pfdev, GPU_PRFCNT_JM_EN, 0);
348 	gpu_write(pfdev, GPU_PRFCNT_SHADER_EN, 0);
349 	gpu_write(pfdev, GPU_PRFCNT_MMU_L2_EN, 0);
350 	gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0);