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65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From 5b7efd2fa0c75164373d6faf28fec4b89065d39c 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 16:51:28 +0100
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Subject: [PATCH] drm/modes: parse_cmdline: Set bpp/refresh_specified
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after successful parsing
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Commit 6a2d163756545aa3180d7851d5f8322b865e72be upstream.
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drm_connector_get_cmdline_mode() calls
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drm_mode_parse_command_line_for_connector() with &connector->cmdline_mode
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as mode argument, so anything which we store in the mode arguments gets
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kept even if we return false.
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Avoid storing a possibly false-postive bpp/refresh_specified setting
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in connector->cmdline_mode by moving the setting of these to after
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successful parsing of the bpp/refresh parts of the video= argument.
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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/20191118155134.30468-7-hdegoede@redhat.com
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---
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drivers/gpu/drm/drm_modes.c | 9 +++++----
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1 file changed, 5 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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@@ -1778,10 +1778,8 @@ bool drm_mode_parse_command_line_for_con
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/* Try to locate the bpp and refresh specifiers, if any */
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bpp_ptr = strchr(name, '-');
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- if (bpp_ptr) {
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+ if (bpp_ptr)
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bpp_off = bpp_ptr - name;
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- mode->bpp_specified = true;
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- }
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refresh_ptr = strchr(name, '@');
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if (refresh_ptr) {
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@@ -1789,7 +1787,6 @@ bool drm_mode_parse_command_line_for_con
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return false;
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refresh_off = refresh_ptr - name;
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- mode->refresh_specified = true;
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}
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/* Locate the start of named options */
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@@ -1832,6 +1829,8 @@ bool drm_mode_parse_command_line_for_con
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ret = drm_mode_parse_cmdline_bpp(bpp_ptr, &bpp_end_ptr, mode);
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if (ret)
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return false;
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+
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+ mode->bpp_specified = true;
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}
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if (refresh_ptr) {
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@@ -1839,6 +1838,8 @@ bool drm_mode_parse_command_line_for_con
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&refresh_end_ptr, mode);
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if (ret)
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return false;
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+
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+ mode->refresh_specified = true;
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}
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/*
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