Messages in this thread Patch in this message | | | From | Michael Riesch <> | Subject | [PATCH v2 1/6] drm/rockchip: vop2: initialize possible_crtcs properly | Date | Thu, 19 Jan 2023 15:39:06 +0100 |
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The variable possible_crtcs is only initialized for primary and overlay planes. Since the VOP2 driver only supports these plane types at the moment, the current code is safe. However, in order to provide a future-proof solution, fix the initialization of the variable.
Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net> --- v2: - new patch
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 8cecf81a5ae0..374ef821b453 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -2322,10 +2322,11 @@ static int vop2_create_crtc(struct vop2 *vop2) /* change the unused primary window to overlay window */ win->type = DRM_PLANE_TYPE_OVERLAY; } - } - - if (win->type == DRM_PLANE_TYPE_OVERLAY) + } else if (win->type == DRM_PLANE_TYPE_OVERLAY) { possible_crtcs = (1 << nvps) - 1; + } else { + possible_crtcs = 0; + } ret = vop2_plane_init(vop2, win, possible_crtcs); if (ret) { -- 2.30.2
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