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The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
From 57fe034a5020aca4a7d1558b21c31737c2abc15e Mon Sep 17 00:00:00 2001
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From: Matthias Reichl <hias@horus.com>
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Date: Sat, 14 Jan 2023 16:24:39 +0100
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Subject: [PATCH 0035/1085] drm/vc4: Calculate bpc based on max_requested_bpc
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This aligns vc4 with Intel, AMD and Synopsis drivers and fixes max bpc
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connector property not working as expected on monitors with YCbCr 4:2:2
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support but not deep color support.
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max_bpc in connector state is clamped at max_bpc from display info and
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the latter only takes deep color modes into account so it will always
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be 8, even if the display can do 4:2:2 12-bit output.
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Signed-off-by: Matthias Reichl <hias@horus.com>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -2126,7 +2126,7 @@ vc4_hdmi_encoder_compute_config(const st
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{
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struct drm_device *dev = vc4_hdmi->connector.dev;
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struct drm_connector_state *conn_state = &vc4_state->base;
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- unsigned int max_bpc = clamp_t(unsigned int, conn_state->max_bpc, 8, 12);
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+ unsigned int max_bpc = clamp_t(unsigned int, conn_state->max_requested_bpc, 8, 12);
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unsigned int bpc;
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int ret;
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