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-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c10
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c13
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
3 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 887a54246bde..73e8878b03b6 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -128,7 +128,7 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base,
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
struct dc *dc = clk_mgr_base->ctx->dc;
- int display_count;
+ int display_count, i;
bool update_dppclk = false;
bool update_dispclk = false;
bool dpp_clock_lowered = false;
@@ -210,6 +210,14 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base,
clk_mgr_base->clks.dppclk_khz,
safe_to_lower);
+ for (i = 0; i < context->stream_count; i++) {
+ if (context->streams[i]->signal == SIGNAL_TYPE_EDP &&
+ context->streams[i]->apply_seamless_boot_optimization) {
+ dc_wait_for_vblank(dc, context->streams[i]);
+ break;
+ }
+ }
+
clk_mgr_base->clks.actual_dppclk_khz =
rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 497e44ca98c1..757820a3f068 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3214,6 +3214,19 @@ void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink)
}
}
+void dc_wait_for_vblank(struct dc *dc, struct dc_stream_state *stream)
+{
+ int i;
+
+ for (i = 0; i < dc->res_pool->pipe_count; i++)
+ if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) {
+ struct timing_generator *tg =
+ dc->current_state->res_ctx.pipe_ctx[i].stream_res.tg;
+ tg->funcs->wait_for_state(tg, CRTC_STATE_VBLANK);
+ break;
+ }
+}
+
void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info)
{
info->displayClock = (unsigned int)state->bw_ctx.bw.dcn.clk.dispclk_khz;
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index d218d665ed27..4d2ea508fa13 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -717,6 +717,7 @@ void dc_init_callbacks(struct dc *dc,
void dc_deinit_callbacks(struct dc *dc);
void dc_destroy(struct dc **dc);
+void dc_wait_for_vblank(struct dc *dc, struct dc_stream_state *stream);
/*******************************************************************************
* Surface Interfaces
******************************************************************************/