drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c
Extension
.c
Size
43916 bytes
Lines
1769
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.stream_enc[i] != NULL) {
			kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
			pool->base.stream_enc[i] = NULL;
		}
	}

	for (i = 0; i < (unsigned int)pool->base.res_cap->num_dsc; i++) {
		if (pool->base.dscs[i] != NULL)
			dcn20_dsc_destroy(&pool->base.dscs[i]);
	}

	if (pool->base.mpc != NULL) {
		kfree(TO_DCN20_MPC(pool->base.mpc));
		pool->base.mpc = NULL;
	}
	if (pool->base.hubbub != NULL) {
		kfree(pool->base.hubbub);
		pool->base.hubbub = NULL;
	}

	if (pool->base.dio != NULL) {
		kfree(TO_DCN10_DIO(pool->base.dio));
		pool->base.dio = NULL;
	}

	for (i = 0; i < pool->base.pipe_count; i++) {
		if (pool->base.dpps[i] != NULL)
			dcn20_dpp_destroy(&pool->base.dpps[i]);

		if (pool->base.ipps[i] != NULL)
			pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);

		if (pool->base.hubps[i] != NULL) {
			kfree(TO_DCN20_HUBP(pool->base.hubps[i]));
			pool->base.hubps[i] = NULL;
		}

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

	for (i = 0; i < (unsigned int)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 < (unsigned int)pool->base.res_cap->num_opp; i++) {
		if (pool->base.opps[i] != NULL)
			pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
	}

	for (i = 0; i < (unsigned int)pool->base.res_cap->num_timing_generator; i++) {
		if (pool->base.timing_generators[i] != NULL)	{
			kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
			pool->base.timing_generators[i] = NULL;
		}
	}

	for (i = 0; i < (unsigned int)pool->base.res_cap->num_dwb; i++) {
		if (pool->base.dwbc[i] != NULL) {
			kfree(TO_DCN20_DWBC(pool->base.dwbc[i]));
			pool->base.dwbc[i] = NULL;
		}
		if (pool->base.mcif_wb[i] != NULL) {
			kfree(TO_DCN20_MMHUBBUB(pool->base.mcif_wb[i]));
			pool->base.mcif_wb[i] = NULL;
		}
	}

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

	for (i = 0; i < pool->base.clk_src_count; i++) {
		if (pool->base.clock_sources[i] != NULL) {
			dcn20_clock_source_destroy(&pool->base.clock_sources[i]);
			pool->base.clock_sources[i] = NULL;
		}
	}

	if (pool->base.dp_clock_source != NULL) {

Annotation

Implementation Notes