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77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
96 lines
3.2 KiB
Diff
96 lines
3.2 KiB
Diff
From 0e7c5e80d8d310a881d723a426762e8822d5bf35 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 18 Nov 2019 16:51:24 +0100
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Subject: [PATCH] drm/modes: parse_cmdline: Stop parsing extras after
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bpp / refresh at ', '
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Commit c2ed3e941901810ad3d55ce1935fa22c5007fee4 upstream.
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Before this commit it was impossible to add an extra mode argument after
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a bpp or refresh specifier, combined with an option, e.g.
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video=HDMI-1:720x480-24e,rotate=180 would not work, either the "e" to
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force enable would need to be dropped or the ",rotate=180", otherwise
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the mode_option would not be accepted.
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This commit fixes this by fixing the length calculation if extras_ptr
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is set to stop the extra parsing at the start of the options (stop at the
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',' options_ptr points to).
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Acked-by: Maxime Ripard <mripard@kernel.org>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-3-hdegoede@redhat.com
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---
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drivers/gpu/drm/drm_modes.c | 10 ++++---
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.../gpu/drm/selftests/drm_cmdline_selftests.h | 1 +
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.../drm/selftests/test-drm_cmdline_parser.c | 26 +++++++++++++++++++
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3 files changed, 33 insertions(+), 4 deletions(-)
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--- a/drivers/gpu/drm/drm_modes.c
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+++ b/drivers/gpu/drm/drm_modes.c
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@@ -1728,7 +1728,7 @@ bool drm_mode_parse_command_line_for_con
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const char *bpp_ptr = NULL, *refresh_ptr = NULL, *extra_ptr = NULL;
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const char *options_ptr = NULL;
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char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL;
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- int ret;
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+ int i, len, ret;
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#ifdef CONFIG_FB
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if (!mode_option)
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@@ -1848,9 +1848,11 @@ bool drm_mode_parse_command_line_for_con
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else if (refresh_ptr)
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extra_ptr = refresh_end_ptr;
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- if (extra_ptr &&
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- extra_ptr != options_ptr) {
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- int len = strlen(name) - (extra_ptr - name);
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+ if (extra_ptr) {
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+ if (options_ptr)
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+ len = options_ptr - extra_ptr;
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+ else
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+ len = strlen(extra_ptr);
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ret = drm_mode_parse_cmdline_extra(extra_ptr, len, false,
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connector, mode);
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--- a/drivers/gpu/drm/selftests/drm_cmdline_selftests.h
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+++ b/drivers/gpu/drm/selftests/drm_cmdline_selftests.h
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@@ -61,3 +61,4 @@ cmdline_test(drm_cmdline_test_vmirror)
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cmdline_test(drm_cmdline_test_margin_options)
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cmdline_test(drm_cmdline_test_multiple_options)
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cmdline_test(drm_cmdline_test_invalid_option)
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+cmdline_test(drm_cmdline_test_bpp_extra_and_option)
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--- a/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c
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+++ b/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c
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@@ -1003,6 +1003,32 @@ static int drm_cmdline_test_invalid_opti
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return 0;
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}
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+static int drm_cmdline_test_bpp_extra_and_option(void *ignored)
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+{
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+ struct drm_cmdline_mode mode = { };
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+
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+ FAIL_ON(!drm_mode_parse_command_line_for_connector("720x480-24e,rotate=180",
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+ &no_connector,
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+ &mode));
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+ FAIL_ON(!mode.specified);
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+ FAIL_ON(mode.xres != 720);
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+ FAIL_ON(mode.yres != 480);
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+ FAIL_ON(mode.rotation_reflection != DRM_MODE_ROTATE_180);
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+
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+ FAIL_ON(mode.refresh_specified);
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+
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+ FAIL_ON(!mode.bpp_specified);
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+ FAIL_ON(mode.bpp != 24);
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+
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+ FAIL_ON(mode.rb);
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+ FAIL_ON(mode.cvt);
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+ FAIL_ON(mode.interlace);
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+ FAIL_ON(mode.margins);
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+ FAIL_ON(mode.force != DRM_FORCE_ON);
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+
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+ return 0;
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+}
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+
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#include "drm_selftest.c"
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static int __init test_drm_cmdline_init(void)
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