From: Wenjing Liu <wenjing.liu@xxxxxxx>
[why] dccg clock programming shouldn't be part of link hwss programming
sequence. The scope of link hwss is limited to encoder and phy
programming.
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Wenjing Liu <wenjing.liu@xxxxxxx>
Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx>
---
.../display/dc/dce110/dce110_hw_sequencer.c | 13 +++++
.../drm/amd/display/dc/dcn20/dcn20_hwseq.c | 50 +++++++++++++++++++
.../amd/display/dc/link/link_hwss_hpo_dp.c | 37 --------------
3 files changed, 63 insertions(+), 37 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index e6251ccadb70..2d9302959f25 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1142,6 +1142,10 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
struct dc_link *link = stream->link;
struct dc *dc = pipe_ctx->stream->ctx->dc;
const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
+ struct dccg *dccg = dc->res_pool->dccg;
+ struct timing_generator *tg = pipe_ctx->stream_res.tg;
+ struct dtbclk_dto_params dto_params = {0};
+ int dp_hpo_inst;
if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) {
pipe_ctx->stream_res.stream_enc->funcs->stop_hdmi_info_packets(
@@ -1161,6 +1165,15 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
link_hwss->reset_stream_encoder(pipe_ctx);
+ if (is_dp_128b_132b_signal(pipe_ctx)) {
+ dto_params.otg_inst = tg->inst;
+ dto_params.timing = &pipe_ctx->stream->timing;
+ dp_hpo_inst = pipe_ctx->stream_res.hpo_dp_stream_enc->inst;
+ dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
+ dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst);
+ dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, dp_hpo_inst);
+ }
+
if (is_dp_128b_132b_signal(pipe_ctx)) {
/* TODO: This looks like a bug to me as we are disabling HPO IO when
* we are just disabling a single HPO stream. Shouldn't we disable HPO
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 366ba05cf8ef..c81b70c7f3f9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -2639,6 +2639,37 @@ void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
hubp->mpcc_id = mpcc_id;
}
+static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link)
+{
+ switch (link->link_enc->transmitter) {
+ case TRANSMITTER_UNIPHY_A:
+ return PHYD32CLKA;
+ case TRANSMITTER_UNIPHY_B:
+ return PHYD32CLKB;
+ case TRANSMITTER_UNIPHY_C:
+ return PHYD32CLKC;
+ case TRANSMITTER_UNIPHY_D:
+ return PHYD32CLKD;
+ case TRANSMITTER_UNIPHY_E:
+ return PHYD32CLKE;
+ default:
+ return PHYD32CLKA;
+ }
+}
+
+static int get_odm_segment_count(struct pipe_ctx *pipe_ctx)
+{
+ struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
+ int count = 1;
+
+ while (odm_pipe != NULL) {
+ count++;
+ odm_pipe = odm_pipe->next_odm_pipe;
+ }
+
+ return count;
+}
+
void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
{
enum dc_lane_count lane_count =
@@ -2652,12 +2683,31 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
struct timing_generator *tg = pipe_ctx->stream_res.tg;
const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
struct dc *dc = pipe_ctx->stream->ctx->dc;
+ struct dtbclk_dto_params dto_params = {0};
+ struct dccg *dccg = dc->res_pool->dccg;
+ enum phyd32clk_clock_source phyd32clk;
+ int dp_hpo_inst;
if (is_dp_128b_132b_signal(pipe_ctx)) {
if (dc->hwseq->funcs.setup_hpo_hw_control)
dc->hwseq->funcs.setup_hpo_hw_control(dc->hwseq, true);
}
+ if (is_dp_128b_132b_signal(pipe_ctx)) {
+ dp_hpo_inst = pipe_ctx->stream_res.hpo_dp_stream_enc->inst;
+ dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, dp_hpo_inst);
+
+ phyd32clk = get_phyd32clk_src(link);
+ dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk);
+
+ dto_params.otg_inst = tg->inst;
+ dto_params.pixclk_khz = pipe_ctx->stream->timing.pix_clk_100hz / 10;
+ dto_params.num_odm_segments = get_odm_segment_count(pipe_ctx);
+ dto_params.timing = &pipe_ctx->stream->timing;
+ dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr);
+ dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
+ }
+
link_hwss->setup_stream_encoder(pipe_ctx);
if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c b/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c
index 2f46e1ac4ce0..164d631e8809 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_hwss_hpo_dp.c
@@ -87,57 +87,20 @@ static void set_hpo_dp_hblank_min_symbol_width(struct pipe_ctx *pipe_ctx,
hblank_min_symbol_width);
}
-static int get_odm_segment_count(struct pipe_ctx *pipe_ctx)
-{
- struct pipe_ctx *odm_pipe = pipe_ctx->next_odm_pipe;
- int count = 1;
-
- while (odm_pipe != NULL) {
- count++;
- odm_pipe = odm_pipe->next_odm_pipe;
- }
-
- return count;
-}
-
static void setup_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx)
{
- struct dc *dc = pipe_ctx->stream->ctx->dc;
struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
struct hpo_dp_link_encoder *link_enc = pipe_ctx->link_res.hpo_dp_link_enc;
- struct dccg *dccg = dc->res_pool->dccg;
- struct timing_generator *tg = pipe_ctx->stream_res.tg;
- struct dtbclk_dto_params dto_params = {0};
- enum phyd32clk_clock_source phyd32clk = get_phyd32clk_src(pipe_ctx->stream->link);
- dto_params.otg_inst = tg->inst;
- dto_params.pixclk_khz = pipe_ctx->stream->timing.pix_clk_100hz / 10;
- dto_params.num_odm_segments = get_odm_segment_count(pipe_ctx);
- dto_params.timing = &pipe_ctx->stream->timing;
- dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr);
-
- dccg->funcs->set_dpstreamclk(dccg, DTBCLK0, tg->inst, stream_enc->inst);
- dccg->funcs->enable_symclk32_se(dccg, stream_enc->inst, phyd32clk);
- dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
stream_enc->funcs->enable_stream(stream_enc);
stream_enc->funcs->map_stream_to_link(stream_enc, stream_enc->inst, link_enc->inst);
}
static void reset_hpo_dp_stream_encoder(struct pipe_ctx *pipe_ctx)
{
- struct dc *dc = pipe_ctx->stream->ctx->dc;
struct hpo_dp_stream_encoder *stream_enc = pipe_ctx->stream_res.hpo_dp_stream_enc;
- struct dccg *dccg = dc->res_pool->dccg;
- struct timing_generator *tg = pipe_ctx->stream_res.tg;
- struct dtbclk_dto_params dto_params = {0};
-
- dto_params.otg_inst = tg->inst;
- dto_params.timing = &pipe_ctx->stream->timing;
stream_enc->funcs->disable(stream_enc);
- dccg->funcs->set_dtbclk_dto(dccg, &dto_params);
- dccg->funcs->disable_symclk32_se(dccg, stream_enc->inst);
- dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, stream_enc->inst);
}
static void setup_hpo_dp_stream_attribute(struct pipe_ctx *pipe_ctx)
--
2.39.0
