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openmptcprouter/root/target/linux/bcm27xx/patches-5.15/0027-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch
2021-11-24 18:32:01 +01:00

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From cd009dc7e47225c5736cae1d706adcb30b8d4ef5 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 8 Oct 2020 16:08:06 +0200
Subject: [PATCH 027/634] drm/vc4: hdmi: Raise the maximum clock rate
Now that we have the infrastructure in place, we can raise the maximum
pixel rate we can reach for HDMI0 on the BCM2711.
HDMI1 is left untouched since its pixelvalve has a smaller FIFO and
would need a clock faster than what we can provide to support the same
modes.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 50e9e1f3ac47..80ce69e0ead5 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2697,7 +2697,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
.encoder_type = VC4_ENCODER_TYPE_HDMI0,
.debugfs_name = "hdmi0_regs",
.card_name = "vc4-hdmi-0",
- .max_pixel_clock = HDMI_14_MAX_TMDS_CLK,
+ .max_pixel_clock = 600000000,
.registers = vc5_hdmi_hdmi0_fields,
.num_registers = ARRAY_SIZE(vc5_hdmi_hdmi0_fields),
.phy_lane_mapping = {
--
2.33.1