drivers/gpu/drm/amd/display/dc/resource/dce60/dce60_resource.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/resource/dce60/dce60_resource.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/resource/dce60/dce60_resource.c
Extension
.c
Size
38586 bytes
Lines
1506
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (pool->base.mis[i] != NULL) {
			kfree(TO_DCE_MEM_INPUT(pool->base.mis[i]));
			pool->base.mis[i] = NULL;
		}

		if (pool->base.timing_generators[i] != NULL)	{
			kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i]));
			pool->base.timing_generators[i] = NULL;
		}
	}

	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
		if (pool->base.engines[i] != NULL)
			dce110_engine_destroy(&pool->base.engines[i]);
		if (pool->base.hw_i2cs[i] != NULL) {
			kfree(pool->base.hw_i2cs[i]);
			pool->base.hw_i2cs[i] = NULL;
		}
		if (pool->base.sw_i2cs[i] != NULL) {
			kfree(pool->base.sw_i2cs[i]);
			pool->base.sw_i2cs[i] = NULL;
		}
	}

	for (i = 0; i < pool->base.stream_enc_count; i++) {
		if (pool->base.stream_enc[i] != NULL)
			kfree(DCE110STRENC_FROM_STRENC(pool->base.stream_enc[i]));
	}

	for (i = 0; i < pool->base.clk_src_count; i++) {
		if (pool->base.clock_sources[i] != NULL) {
			dce60_clock_source_destroy(&pool->base.clock_sources[i]);
		}
	}

	if (pool->base.abm != NULL)
			dce_abm_destroy(&pool->base.abm);

	if (pool->base.dmcu != NULL)
			dce_dmcu_destroy(&pool->base.dmcu);

	if (pool->base.dp_clock_source != NULL)
		dce60_clock_source_destroy(&pool->base.dp_clock_source);

	for (i = 0; i < pool->base.audio_count; i++)	{
		if (pool->base.audios[i] != NULL) {
			dce_aud_destroy(&pool->base.audios[i]);
		}
	}

	if (pool->base.irqs != NULL) {
		dal_irq_service_destroy(&pool->base.irqs);
	}
}

static void dce60_destroy_resource_pool(struct resource_pool **pool)
{
	struct dce110_resource_pool *dce110_pool = TO_DCE110_RES_POOL(*pool);

	dce60_resource_destruct(dce110_pool);
	kfree(dce110_pool);
	*pool = NULL;
}

static const struct resource_funcs dce60_res_pool_funcs = {
	.destroy = dce60_destroy_resource_pool,
	.link_enc_create = dce60_link_encoder_create,
	.panel_cntl_create = dce60_panel_cntl_create,
	.validate_bandwidth = dce100_validate_bandwidth,
	.validate_plane = dce100_validate_plane,
	.add_stream_to_ctx = dce100_add_stream_to_ctx,
	.validate_global = dce100_validate_global,
	.find_first_free_match_stream_enc_for_link = dce100_find_first_free_match_stream_enc_for_link
};

static bool dce60_construct(
	uint8_t num_virtual_links,
	struct dc *dc,
	struct dce110_resource_pool *pool)
{
	unsigned int i;
	struct dc_context *ctx = dc->ctx;
	struct dc_bios *bp;

	ctx->dc_bios->regs = &bios_regs;

	pool->base.res_cap = &res_cap;
	pool->base.funcs = &dce60_res_pool_funcs;

Annotation

Implementation Notes