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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2020-04-16 14:35:16 +0300
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2020-04-16 14:35:16 +0300
commit2b703bbda2713fd2a7d98029ea6c44f9c3159f34 (patch)
tree00aabbb35186a4541ccccf89dead04e251d0541d /drivers/gpu/drm/drm_modes.c
parentdrm/i915: HDCP: fix Ri prime check done during link check (diff)
parentLinux 5.7-rc1 (diff)
downloadwireguard-linux-2b703bbda2713fd2a7d98029ea6c44f9c3159f34.tar.xz
wireguard-linux-2b703bbda2713fd2a7d98029ea6c44f9c3159f34.zip
Merge drm/drm-next into drm-intel-next-queued
Backmerging in order to pull "topic/phy-compliance". Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 10336b144c72..d4d64518e11b 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1698,6 +1698,13 @@ static int drm_mode_parse_cmdline_options(const char *str,
if (rotation && freestanding)
return -EINVAL;
+ if (!(rotation & DRM_MODE_ROTATE_MASK))
+ rotation |= DRM_MODE_ROTATE_0;
+
+ /* Make sure there is exactly one rotation defined */
+ if (!is_power_of_2(rotation & DRM_MODE_ROTATE_MASK))
+ return -EINVAL;
+
mode->rotation_reflection = rotation;
return 0;