From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...arse_cmdline-Explicitly-memset-the-passed.patch | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0478-drm-modes-parse_cmdline-Explicitly-memset-the-passed.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0478-drm-modes-parse_cmdline-Explicitly-memset-the-passed.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0478-drm-modes-parse_cmdline-Explicitly-memset-the-passed.patch b/target/linux/bcm27xx/patches-5.4/950-0478-drm-modes-parse_cmdline-Explicitly-memset-the-passed.patch new file mode 100644 index 0000000000..372cd0d665 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0478-drm-modes-parse_cmdline-Explicitly-memset-the-passed.patch @@ -0,0 +1,41 @@ +From d89b3f22cf7b6bba8081f6d16c9087019fdcf586 Mon Sep 17 00:00:00 2001 +From: Hans de Goede +Date: Mon, 18 Nov 2019 16:51:32 +0100 +Subject: [PATCH] drm/modes: parse_cmdline: Explicitly memset the + passed in drm_cmdline_mode struct + +Commit d1fe276b5115f0d581c3cfe6154633b3547e8aab upstream. + +Instead of only setting mode->specified on false on an early exit and +leaving e.g. mode->bpp_specified and mode->refresh_specified as is, +lets be consistent and just zero out the entire passed in struct at +the top of drm_mode_parse_command_line_for_connector() + +Changes in v3: +-Drop "mode->specified = false;" line instead of the "return false;" (oops) + This crasher was reported-by: kernel test robot + +Acked-by: Maxime Ripard +Signed-off-by: Hans de Goede +Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-11-hdegoede@redhat.com +--- + drivers/gpu/drm/drm_modes.c | 5 ++--- + 1 file changed, 2 insertions(+), 3 deletions(-) + +--- a/drivers/gpu/drm/drm_modes.c ++++ b/drivers/gpu/drm/drm_modes.c +@@ -1752,12 +1752,11 @@ bool drm_mode_parse_command_line_for_con + char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL; + int i, len, ret; + ++ memset(mode, 0, sizeof(*mode)); + mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN; + +- if (!mode_option) { +- mode->specified = false; ++ if (!mode_option) + return false; +- } + + name = mode_option; + -- cgit v1.2.3