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path: root/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c31
1 files changed, 29 insertions, 2 deletions
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 7725a406c16e..c8cfd3ba1c15 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1457,8 +1457,8 @@ static void dcn20_update_dchubp_dpp(
/* Any updates are handled in dc interface, just need to apply existing for plane enable */
if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
- pipe_ctx->update_flags.bits.scaler || pipe_ctx->update_flags.bits.viewport)
- && pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
+ pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
+ pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
dc->hwss.set_cursor_position(pipe_ctx);
dc->hwss.set_cursor_attribute(pipe_ctx);
@@ -2498,3 +2498,30 @@ void dcn20_fpga_init_hw(struct dc *dc)
tg->funcs->tg_init(tg);
}
}
+#ifndef TRIM_FSFT
+bool dcn20_optimize_timing_for_fsft(struct dc *dc,
+ struct dc_crtc_timing *timing,
+ unsigned int max_input_rate_in_khz)
+{
+ unsigned int old_v_front_porch;
+ unsigned int old_v_total;
+ unsigned int max_input_rate_in_100hz;
+ unsigned long long new_v_total;
+
+ max_input_rate_in_100hz = max_input_rate_in_khz * 10;
+ if (max_input_rate_in_100hz < timing->pix_clk_100hz)
+ return false;
+
+ old_v_total = timing->v_total;
+ old_v_front_porch = timing->v_front_porch;
+
+ timing->fast_transport_output_rate_100hz = timing->pix_clk_100hz;
+ timing->pix_clk_100hz = max_input_rate_in_100hz;
+
+ new_v_total = div_u64((unsigned long long)old_v_total * max_input_rate_in_100hz, timing->pix_clk_100hz);
+
+ timing->v_total = new_v_total;
+ timing->v_front_porch = old_v_front_porch + (timing->v_total - old_v_total);
+ return true;
+}
+#endif