From 350623fa582672d43034e25cf850c18219b53002 Mon Sep 17 00:00:00 2001
From: Charlene Liu <Charlene.Liu@amd.com>
Date: Wed, 26 Feb 2025 23:52:57 -0500
Subject: [PATCH] drm/amd/display: assume VBIOS supports DSC as default
[Why & How]
The clear_dsc_setting at boot logic was based on dcn version
check.
As such new ASIC lost this DSC clear up logic, change the
assumption to BIOS support eDP DSC for new ASIC.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
---
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index bfd734e157317..dbc6e533dcac0 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -1836,11 +1836,10 @@ static void clean_up_dsc_blocks(struct dc *dc)
struct pg_cntl *pg_cntl = dc->res_pool->pg_cntl;
int i;
- if (dc->ctx->dce_version != DCN_VERSION_3_5 &&
- dc->ctx->dce_version != DCN_VERSION_3_6 &&
- dc->ctx->dce_version != DCN_VERSION_3_51)
+ if (!dc->caps.is_apu ||
+ dc->ctx->dce_version < DCN_VERSION_3_15)
return;
-
+ /*VBIOS supports dsc starts from dcn315*/
for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
struct dcn_dsc_state s = {0};
--
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