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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>
This commit is contained in:
james qian wang (Arm Technology China) 2019-01-22 09:24:16 +00:00 committed by Liviu Dudau
parent f5f0a68e00
commit 321e925c58
3 changed files with 82 additions and 1 deletions
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6
drivers/gpu/drm/arm/display/komeda/komeda_dev.c
View File

@ -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:

75
drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c
View File

@ -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;
}

2
drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
View File

@ -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);