diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0476-drm-modes-parse_cmdline-Add-support-for-specifying-p.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0476-drm-modes-parse_cmdline-Add-support-for-specifying-p.patch | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0476-drm-modes-parse_cmdline-Add-support-for-specifying-p.patch b/target/linux/bcm27xx/patches-5.4/950-0476-drm-modes-parse_cmdline-Add-support-for-specifying-p.patch deleted file mode 100644 index cbda9ecc10..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0476-drm-modes-parse_cmdline-Add-support-for-specifying-p.patch +++ /dev/null @@ -1,157 +0,0 @@ -From 7d395633947fa6595a117f40e0f27ba87be77d6c Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Mon, 18 Nov 2019 16:51:30 +0100 -Subject: [PATCH] drm/modes: parse_cmdline: Add support for specifying - panel_orientation (v2) - -Commit 4e7a4a6fbdc669c44e6079f9d5eb25673749455f upstream. - -Sometimes we want to override a connector's panel_orientation from the -kernel commandline. Either for testing and for special cases, e.g. a kiosk -like setup which uses a TV mounted in portrait mode. - -Users can already specify a "rotate" option through a video= kernel cmdline -option. But that only supports 0/180 degrees (see drm_client_modeset TODO) -and only works for in kernel modeset clients, not for userspace kms users. - -The "panel-orientation" connector property OTOH does support 90/270 degrees -as it leaves dealing with the rotation up to userspace and this does work -for userspace kms clients (at least those which support this property). - -Changes in v2: --Add missing ':' after @panel_orientation (reported by kbuild test robot) - -BugLink: https://gitlab.freedesktop.org/plymouth/plymouth/merge_requests/83 -Acked-by: Maxime Ripard <mripard@kernel.org> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> -Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-9-hdegoede@redhat.com ---- - Documentation/fb/modedb.rst | 3 ++ - drivers/gpu/drm/drm_modes.c | 32 +++++++++++++++++++ - .../gpu/drm/selftests/drm_cmdline_selftests.h | 1 + - .../drm/selftests/test-drm_cmdline_parser.c | 22 +++++++++++++ - include/drm/drm_connector.h | 8 +++++ - 5 files changed, 66 insertions(+) - ---- a/Documentation/fb/modedb.rst -+++ b/Documentation/fb/modedb.rst -@@ -65,6 +65,9 @@ Valid options are:: - - reflect_y (boolean): Perform an axial symmetry on the Y axis - - rotate (integer): Rotate the initial framebuffer by x - degrees. Valid values are 0, 90, 180 and 270. -+ - panel_orientation, one of "normal", "upside_down", "left_side_up", or -+ "right_side_up". For KMS drivers only, this sets the "panel orientation" -+ property on the kms connector as hint for kms users. - - - ----------------------------------------------------------------------------- ---- a/drivers/gpu/drm/drm_modes.c -+++ b/drivers/gpu/drm/drm_modes.c -@@ -1591,6 +1591,33 @@ static int drm_mode_parse_cmdline_int(co - return 0; - } - -+static int drm_mode_parse_panel_orientation(const char *delim, -+ struct drm_cmdline_mode *mode) -+{ -+ const char *value; -+ -+ if (*delim != '=') -+ return -EINVAL; -+ -+ value = delim + 1; -+ delim = strchr(value, ','); -+ if (!delim) -+ delim = value + strlen(value); -+ -+ if (!strncmp(value, "normal", delim - value)) -+ mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL; -+ else if (!strncmp(value, "upside_down", delim - value)) -+ mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP; -+ else if (!strncmp(value, "left_side_up", delim - value)) -+ mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP; -+ else if (!strncmp(value, "right_side_up", delim - value)) -+ mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP; -+ else -+ return -EINVAL; -+ -+ return 0; -+} -+ - static int drm_mode_parse_cmdline_options(const char *str, - bool freestanding, - const struct drm_connector *connector, -@@ -1657,6 +1684,9 @@ static int drm_mode_parse_cmdline_option - return -EINVAL; - - mode->tv_margins.bottom = margin; -+ } else if (!strncmp(option, "panel_orientation", delim - option)) { -+ if (drm_mode_parse_panel_orientation(delim, mode)) -+ return -EINVAL; - } else { - return -EINVAL; - } -@@ -1722,6 +1752,8 @@ bool drm_mode_parse_command_line_for_con - char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL; - int i, len, ret; - -+ mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN; -+ - #ifdef CONFIG_FB - if (!mode_option) - mode_option = fb_mode_option; ---- a/drivers/gpu/drm/selftests/drm_cmdline_selftests.h -+++ b/drivers/gpu/drm/selftests/drm_cmdline_selftests.h -@@ -65,3 +65,4 @@ cmdline_test(drm_cmdline_test_bpp_extra_ - cmdline_test(drm_cmdline_test_extra_and_option) - cmdline_test(drm_cmdline_test_freestanding_options) - cmdline_test(drm_cmdline_test_freestanding_force_e_and_options) -+cmdline_test(drm_cmdline_test_panel_orientation) ---- a/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c -+++ b/drivers/gpu/drm/selftests/test-drm_cmdline_parser.c -@@ -1103,6 +1103,28 @@ static int drm_cmdline_test_freestanding - return 0; - } - -+static int drm_cmdline_test_panel_orientation(void *ignored) -+{ -+ struct drm_cmdline_mode mode = { }; -+ -+ FAIL_ON(!drm_mode_parse_command_line_for_connector("panel_orientation=upside_down", -+ &no_connector, -+ &mode)); -+ FAIL_ON(mode.specified); -+ FAIL_ON(mode.refresh_specified); -+ FAIL_ON(mode.bpp_specified); -+ -+ FAIL_ON(mode.panel_orientation != DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP); -+ -+ FAIL_ON(mode.rb); -+ FAIL_ON(mode.cvt); -+ FAIL_ON(mode.interlace); -+ FAIL_ON(mode.margins); -+ FAIL_ON(mode.force != DRM_FORCE_UNSPECIFIED); -+ -+ return 0; -+} -+ - #include "drm_selftest.c" - - static int __init test_drm_cmdline_init(void) ---- a/include/drm/drm_connector.h -+++ b/include/drm/drm_connector.h -@@ -1066,6 +1066,14 @@ struct drm_cmdline_mode { - unsigned int rotation_reflection; - - /** -+ * @panel_orientation: -+ * -+ * drm-connector "panel orientation" property override value, -+ * DRM_MODE_PANEL_ORIENTATION_UNKNOWN if not set. -+ */ -+ enum drm_panel_orientation panel_orientation; -+ -+ /** - * @tv_margins: TV margins to apply to the mode. - */ - struct drm_connector_tv_margins tv_margins; |