From afd407e5626ff9153dd6ae62ea4424e272afc5b1 Mon Sep 17 00:00:00 2001
From: Taimur Hassan <syed.hassan@amd.com>
Date: Thu, 29 Jun 2023 15:04:09 -0400
Subject: [PATCH] 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: Michael Strauss <michael.strauss@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
---
drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c
index 0fa1228bc178a..0f19c07011b56 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c
@@ -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};
--
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