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author | james qian wang (Arm Technology China) <james.qian.wang@arm.com> | 2019-01-22 09:24:16 +0000 |
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committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2019-04-01 18:08:26 +0100 |
commit | 321e925c5813c228bafda5ea3729ebddb00a3040 (patch) | |
tree | 41255f87620dea74bff102c6c386ad037833f8af /drivers/gpu/drm | |
parent | f5f0a68e00688311fe9104fa32422e4e27ae8d3b (diff) | |
download | linux-321e925c5813c228bafda5ea3729ebddb00a3040.tar.bz2 |
drm/komeda: Add komeda_assemble_pipelines
komeda_accemble_pipelines is for:
1. Verifing the component->supported_inputs according to the
pipeline->avail_components.
2. Generating component->supported_outputs.
v2: Lower the debug message of komeda_component_dump to DRM_DEBUG.
Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c | 75 | ||||
-rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h | 2 |
3 files changed, 82 insertions, 1 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c index 70e9bb7fa30c..780ca86c9db9 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c @@ -147,6 +147,12 @@ struct komeda_dev *komeda_dev_create(struct device *dev) goto err_cleanup; } + err = komeda_assemble_pipelines(mdev); + if (err) { + DRM_ERROR("assemble display pipelines failed.\n"); + goto err_cleanup; + } + return mdev; err_cleanup: diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c index e9871305df97..ca85e12312a3 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c @@ -200,3 +200,78 @@ void komeda_component_destroy(struct komeda_dev *mdev, { devm_kfree(mdev->dev, c); } + +static void komeda_component_dump(struct komeda_component *c) +{ + if (!c) + return; + + DRM_DEBUG(" %s: ID %d-0x%08lx.\n", + c->name, c->id, BIT(c->id)); + DRM_DEBUG(" max_active_inputs:%d, supported_inputs: 0x%08x.\n", + c->max_active_inputs, c->supported_inputs); + DRM_DEBUG(" max_active_outputs:%d, supported_outputs: 0x%08x.\n", + c->max_active_outputs, c->supported_outputs); +} + +static void komeda_pipeline_dump(struct komeda_pipeline *pipe) +{ + struct komeda_component *c; + int id; + + DRM_INFO("Pipeline-%d: n_layers: %d, n_scalers: %d, output: %s\n", + pipe->id, pipe->n_layers, pipe->n_scalers, + pipe->of_output_dev ? pipe->of_output_dev->full_name : "none"); + + dp_for_each_set_bit(id, pipe->avail_comps) { + c = komeda_pipeline_get_component(pipe, id); + + komeda_component_dump(c); + } +} + +static void komeda_component_verify_inputs(struct komeda_component *c) +{ + struct komeda_pipeline *pipe = c->pipeline; + struct komeda_component *input; + int id; + + dp_for_each_set_bit(id, c->supported_inputs) { + input = komeda_pipeline_get_component(pipe, id); + if (!input) { + c->supported_inputs &= ~(BIT(id)); + DRM_WARN("Can not find input(ID-%d) for component: %s.\n", + id, c->name); + continue; + } + + input->supported_outputs |= BIT(c->id); + } +} + +static void komeda_pipeline_assemble(struct komeda_pipeline *pipe) +{ + struct komeda_component *c; + int id; + + dp_for_each_set_bit(id, pipe->avail_comps) { + c = komeda_pipeline_get_component(pipe, id); + + komeda_component_verify_inputs(c); + } +} + +int komeda_assemble_pipelines(struct komeda_dev *mdev) +{ + struct komeda_pipeline *pipe; + int i; + + for (i = 0; i < mdev->n_pipelines; i++) { + pipe = mdev->pipelines[i]; + + komeda_pipeline_assemble(pipe); + komeda_pipeline_dump(pipe); + } + + return 0; +} diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h index 943aa52189d4..f9b7f517a484 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h @@ -363,7 +363,7 @@ komeda_pipeline_add(struct komeda_dev *mdev, size_t size, struct komeda_pipeline_funcs *funcs); void komeda_pipeline_destroy(struct komeda_dev *mdev, struct komeda_pipeline *pipe); - +int komeda_assemble_pipelines(struct komeda_dev *mdev); struct komeda_component * komeda_pipeline_get_component(struct komeda_pipeline *pipe, int id); |