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Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54 Removed upstreamed: generic/backport-6.6/780-24-v6.12-r8169-disable-ALDPS-per-default-for-RTL8125.patch[1] generic/pending-6.6/360-selftests-bpf-portability-of-unprivileged-tests.patch[2] Manually rebased: bcm53xx/patches-6.6/180-usb-xhci-add-support-for-performing-fake-doorbell.patch bmips/patches-6.6/200-mips-bmips-automatically-detect-CPU-frequency.patch All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=50d062b6cc90c45a0de54e9bd9903c82777d66bf 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=103c0431c7fb4790affea121126840dbfb146341 Build system: x86/64 Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me> Link: https://github.com/openwrt/openwrt/pull/16602 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
38 lines
1.5 KiB
Diff
38 lines
1.5 KiB
Diff
From 4b89e6e55f5c04f836b92ffbeef7c4c8a545adfd Mon Sep 17 00:00:00 2001
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From: Matthias Reichl <hias@horus.com>
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Date: Sat, 11 Mar 2023 22:41:17 +0100
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Subject: [PATCH 0037/1085] drm/vc4: drop unnecessary and harmful HDMI RGB
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format check
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RGB is a mandatory format for all DVI and HDMI monitors so there's
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no need to check for presence of the DRM_COLOR_FORMAT_RGB444 bit in
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color_formats.
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More importantly this checks breaks working around EDID issues with
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eg video=HDMI-A-1:1024x768D or drm.edid_firmware=edid/1024x768.bin
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as the RGB444 bit is only set when a valid EDID with digital bit set in
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the input byte is present - which isn't the case when no EDID can be
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read from the display device at all or with the in-built kernel EDIDs,
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which mimic analog (VGA) displays without the digital bit set.
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So drop the check, if we output video on the HDMI connector we can
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assume that the display can accept 8bit RGB.
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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 | 3 ---
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1 file changed, 3 deletions(-)
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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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@@ -1958,9 +1958,6 @@ vc4_hdmi_sink_supports_format_bpc(const
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case VC4_HDMI_OUTPUT_RGB:
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drm_dbg(dev, "RGB Format, checking the constraints.\n");
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- if (!(info->color_formats & DRM_COLOR_FORMAT_RGB444))
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- return false;
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-
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if (bpc == 10 && !(info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30)) {
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drm_dbg(dev, "10 BPC but sink doesn't support Deep Color 30.\n");
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return false;
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