[PATCH 3/6] drm/amd/display: Fixes for S0i3 exit

[Chenyu Chen <chen-yu.chen@amd.com>]

From: Ovidiu Bunea <ovidiu.bunea@amd.com>

[why & how]
Add debug flag "ignore_pg" to dcn32 PG functions.
Update default z10 support status.
Temp disable RFB features for ASIC.
Remove legacy code path.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
---
 .../drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c   | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c     | 6 ++++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
index 319eb1061ba8..20bf04dac609 100644
--- a/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dio/dcn35/dcn35_dio_link_encoder.c
@@ -120,7 +120,6 @@ void dcn35_link_encoder_setup(
 void dcn35_link_encoder_init(struct link_encoder *enc)
 {
 	enc31_hw_init(enc);
-	dcn35_link_encoder_set_fgcg(enc, enc->ctx->dc->debug.enable_fine_grain_clock_gating.bits.dio);
 }
 
 void dcn35_link_encoder_set_fgcg(struct link_encoder *enc, bool enable)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index b213a2ac827a..3cd44c6602b3 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -82,6 +82,9 @@ void dcn32_dsc_pg_control(
 	if (!dc->debug.enable_double_buffered_dsc_pg_support)
 		return;
 
+	if (dc->debug.ignore_pg)
+		return;
+
 	REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
 	if (org_ip_request_cntl == 0)
 		REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
@@ -168,6 +171,9 @@ void dcn32_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool p
 	if (hws->ctx->dc->debug.disable_hubp_power_gate)
 		return;
 
+	if (hws->ctx->dc->debug.ignore_pg)
+		return;
+
 	if (REG(DOMAIN0_PG_CONFIG) == 0)
 		return;
 
-- 
2.43.0