Commit 085f7bd9 authored by Taimur Hassan's avatar Taimur Hassan Committed by Alex Deucher
Browse files

drm/amd/display: Fix ASIC check in aux timeout workaround 



[Why]
Aux write was meant to be ASIC specific, and is
causing compliance failures on newer parts.

[How]
Make workaround specific to single ASIC.

Reviewed-by: default avatarMichael Strauss <michael.strauss@amd.com>
Acked-by: default avatarAlan Liu <haoping.liu@amd.com>
Signed-off-by: default avatarTaimur Hassan <syed.hassan@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9c553d00

drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c

+1 −1
Original line number Diff line number Diff line
@@ -427,7 +427,7 @@ bool try_to_configure_aux_timeout(struct ddc_service *ddc, 


	if ((ddc->link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) &&

			!ddc->link->dc->debug.disable_fixed_vs_aux_timeout_wa &&

			ASICREV_IS_YELLOW_CARP(ddc->ctx->asic_id.hw_internal_rev)) {

			ddc->ctx->dce_version == DCN_VERSION_3_1) {

		/* Fixed VS workaround for AUX timeout */

		const uint32_t fixed_vs_address = 0xF004F;

		const uint8_t fixed_vs_data[4] = {0x1, 0x22, 0x63, 0xc};