From f73dd04acd0e8202870d40776b76a60df9ded776 Mon Sep 17 00:00:00 2001 From: Relja Vojvodic Date: Thu, 9 Jul 2026 13:56:53 -0400 Subject: [PATCH] drm/amd/display: Fix force FRL rate debug setting [Why & How] - force FRL rate debug bit was not correctly forcing requested FRL rate Reviewed-by: Chris Park Signed-off-by: Relja Vojvodic Signed-off-by: Fangzhi Zuo Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 4 +++- drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 25f904eccb10..cdcf140bc1bb 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -100,7 +100,9 @@ void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink) if (stream->link->frl_flags.force_frl_always || stream->link->frl_flags.force_frl_max - || stream->link->frl_flags.force_frl_dsc) + || stream->link->frl_flags.force_frl_dsc + || (stream->link->frl_flags.force_frl_rate != 0 && + stream->link->frl_flags.force_frl_rate != 0xF)) stream->signal = SIGNAL_TYPE_HDMI_FRL; } } diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c index c35074177a36..2afdfc113675 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_hdmi_frl.c @@ -1090,7 +1090,7 @@ void hdmi_frl_decide_link_settings(struct dc_stream_state *stream, &stream->link->frl_verified_link_cap); if (stream->link->frl_flags.force_frl_rate != 0 && - stream->link->frl_flags.force_frl_rate < stream->link->frl_verified_link_cap.frl_link_rate) { + stream->link->frl_flags.force_frl_rate <= stream->link->frl_verified_link_cap.frl_link_rate) { switch (stream->link->frl_flags.force_frl_rate) { case HDMI_FRL_LINK_RATE_3GBPS: temp_settings.frl_link_rate = HDMI_FRL_LINK_RATE_3GBPS;