From: Drew Davenport Date: Tue, 27 Dec 2022 05:53:24 +0000 (-0700) Subject: drm/i915/display: Check source height is > 0 X-Git-Tag: v6.6.7~1918^2~17^2~702 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0fe76b198d482b41771a8d17b45fb726d13083cf;p=platform%2Fkernel%2Flinux-starfive.git drm/i915/display: Check source height is > 0 The error message suggests that the height of the src rect must be at least 1. Reject source with height of 0. Cc: stable@vger.kernel.org Signed-off-by: Drew Davenport Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20221226225246.1.I15dff7bb5a0e485c862eae61a69096caf12ef29f@changeid --- diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 76490cc..7d07fa3 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -1627,7 +1627,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state) u32 offset; int ret; - if (w > max_width || w < min_width || h > max_height) { + if (w > max_width || w < min_width || h > max_height || h < 1) { drm_dbg_kms(&dev_priv->drm, "requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n", w, h, min_width, max_width, max_height);