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https://github.com/LibreELEC/LibreELEC.tv
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35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
From 9c2a238cd27f1ae1e55d05f00ce9437992702866 Mon Sep 17 00:00:00 2001
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From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
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Date: Thu, 3 Jul 2025 12:47:17 +0300
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Subject: [PATCH 105/113] [WIP-FRL] drm/connector: hdmi: Handle FRL in
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hdmi_clock_valid()
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Do not limit clock validation to max_tmds_clock if the sink advertises
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FRL support.
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TODO: extend FRL capability verification at source (driver) level.
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Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
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---
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drivers/gpu/drm/display/drm_hdmi_state_helper.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
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index a561f124be99..0608443985f1 100644
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--- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c
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+++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
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@@ -535,7 +535,9 @@ hdmi_clock_valid(const struct drm_connector *connector,
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const struct drm_connector_hdmi_funcs *funcs = connector->hdmi.funcs;
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const struct drm_display_info *info = &connector->display_info;
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- if (info->max_tmds_clock && clock > info->max_tmds_clock * 1000)
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+ //TODO: add proper FRL rate check
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+ if ((!info->hdmi.max_frl_rate_per_lane || !info->hdmi.max_lanes) &&
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+ (info->max_tmds_clock && clock > info->max_tmds_clock * 1000))
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return MODE_CLOCK_HIGH;
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if (funcs && funcs->tmds_char_rate_valid) {
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--
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2.34.1
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