diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0005-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0005-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0005-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch b/target/linux/bcm27xx/patches-5.15/950-0005-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch new file mode 100644 index 0000000000..dbefadc5d5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0005-drm-vc4-hdmi-Raise-the-maximum-clock-rate.patch @@ -0,0 +1,31 @@ +From f818ed9b9033ef7fbe45a7f5e2fc8c0d0cfe8c1d Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Mon, 25 Oct 2021 17:29:01 +0200 +Subject: [PATCH] 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> +Link: https://lore.kernel.org/r/20211025152903.1088803-9-maxime@cerno.tech +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -2377,7 +2377,7 @@ static const struct vc4_hdmi_variant bcm + .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 = { |