From: Eric Bernstein <eric.bernstein@amd.com>
Date: Tue, 2 Jan 2018 17:04:55 -0500
Subject: drm/amd/display: Update dcn10_init_hw for FPGA
Git-commit: 529c690ba8ef2da093ea84a64df72bdb8123479f
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Update dcn10_init_hw such that initialization of relevant
HW blocks for Maximus FPGA are also initialized (and not skipped).
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 37 +++++++-------
1 file changed, 20 insertions(+), 17 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -716,26 +716,25 @@ static void dcn10_init_hw(struct dc *dc)
}
enable_power_gating_plane(dc->hwseq, true);
- return;
- }
- /* end of FPGA. Below if real ASIC */
+ } else {
+
+ if (!dcb->funcs->is_accelerated_mode(dcb)) {
+ bios_golden_init(dc);
+ disable_vga(dc->hwseq);
+ }
- if (!dcb->funcs->is_accelerated_mode(dcb)) {
- bios_golden_init(dc);
- disable_vga(dc->hwseq);
- }
-
- for (i = 0; i < dc->link_count; i++) {
- /* Power up AND update implementation according to the
- * required signal (which may be different from the
- * default signal on connector).
- */
- struct dc_link *link = dc->links[i];
+ for (i = 0; i < dc->link_count; i++) {
+ /* Power up AND update implementation according to the
+ * required signal (which may be different from the
+ * default signal on connector).
+ */
+ struct dc_link *link = dc->links[i];
- if (link->link_enc->connector.id == CONNECTOR_ID_EDP)
- dc->hwss.edp_power_control(link, true);
+ if (link->link_enc->connector.id == CONNECTOR_ID_EDP)
+ dc->hwss.edp_power_control(link, true);
- link->link_enc->funcs->hw_init(link->link_enc);
+ link->link_enc->funcs->hw_init(link->link_enc);
+ }
}
for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -803,6 +802,10 @@ static void dcn10_init_hw(struct dc *dc)
tg->funcs->tg_init(tg);
}
+ /* end of FPGA. Below if real ASIC */
+ if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+ return;
+
for (i = 0; i < dc->res_pool->audio_count; i++) {
struct audio *audio = dc->res_pool->audios[i];