drivers/gpu/drm/radeon/si_dpm.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/radeon/si_dpm.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/radeon/si_dpm.c
Extension
.c
Size
233941 bytes
Lines
7088
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

switch (rdev->pdev->device) {
		case 0x6798:
			si_pi->dte_data.enable_dte_by_default = true;
			break;
		case 0x6799:
			si_pi->dte_data = dte_data_new_zealand;
			break;
		case 0x6790:
		case 0x6791:
		case 0x6792:
		case 0x679E:
			si_pi->dte_data = dte_data_aruba_pro;
			update_dte_from_pl2 = true;
			break;
		case 0x679B:
			si_pi->dte_data = dte_data_malta;
			update_dte_from_pl2 = true;
			break;
		case 0x679A:
			si_pi->dte_data = dte_data_tahiti_pro;
			update_dte_from_pl2 = true;
			break;
		default:
			if (si_pi->dte_data.enable_dte_by_default == true)
				DRM_ERROR("DTE is not enabled!\n");
			break;
		}
	} else if (rdev->family == CHIP_PITCAIRN) {
		switch (rdev->pdev->device) {
		case 0x6810:
		case 0x6818:
			si_pi->cac_weights = cac_weights_pitcairn;
			si_pi->lcac_config = lcac_pitcairn;
			si_pi->cac_override = cac_override_pitcairn;
			si_pi->powertune_data = &powertune_data_pitcairn;
			si_pi->dte_data = dte_data_curacao_xt;
			update_dte_from_pl2 = true;
			break;
		case 0x6819:
		case 0x6811:
			si_pi->cac_weights = cac_weights_pitcairn;
			si_pi->lcac_config = lcac_pitcairn;
			si_pi->cac_override = cac_override_pitcairn;
			si_pi->powertune_data = &powertune_data_pitcairn;
			si_pi->dte_data = dte_data_curacao_pro;
			update_dte_from_pl2 = true;
			break;
		case 0x6800:
		case 0x6806:
			si_pi->cac_weights = cac_weights_pitcairn;
			si_pi->lcac_config = lcac_pitcairn;
			si_pi->cac_override = cac_override_pitcairn;
			si_pi->powertune_data = &powertune_data_pitcairn;
			si_pi->dte_data = dte_data_neptune_xt;
			update_dte_from_pl2 = true;
			break;
		default:
			si_pi->cac_weights = cac_weights_pitcairn;
			si_pi->lcac_config = lcac_pitcairn;
			si_pi->cac_override = cac_override_pitcairn;
			si_pi->powertune_data = &powertune_data_pitcairn;
			si_pi->dte_data = dte_data_pitcairn;
			break;
		}
	} else if (rdev->family == CHIP_VERDE) {
		si_pi->lcac_config = lcac_cape_verde;
		si_pi->cac_override = cac_override_cape_verde;
		si_pi->powertune_data = &powertune_data_cape_verde;

		switch (rdev->pdev->device) {
		case 0x683B:
		case 0x683F:
		case 0x6829:
		case 0x6835:
			si_pi->cac_weights = cac_weights_cape_verde_pro;
			si_pi->dte_data = dte_data_cape_verde;
			break;
		case 0x682C:
			si_pi->cac_weights = cac_weights_cape_verde_pro;
			si_pi->dte_data = dte_data_sun_xt;
			update_dte_from_pl2 = true;
			break;
		case 0x6825:
		case 0x6827:
			si_pi->cac_weights = cac_weights_heathrow;
			si_pi->dte_data = dte_data_cape_verde;
			break;
		case 0x6824:
		case 0x682D:
			si_pi->cac_weights = cac_weights_chelsea_xt;

Annotation

Implementation Notes