Commit 479d5902 authored Dec 21, 2018 by Deepak Rawat Committed by Thomas Hellstrom Feb 05, 2019

drm/vmwgfx: Also check for crtc status while checking for DU active



During modeset check it is possible to have all crtc_state's in atomic
state. Check for crtc enable status while checking for display unit
active status. Only error if enabling a crtc while display unit is not
active.

Cc: <stable@vger.kernel.org>
Fixes: 9da6e26c: ("drm/vmwgfx: Fix a layout race condition")
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

parent 51fdbeb4

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1646,7 +1646,7 @@ static int vmw_kms_check_topology(struct drm_device *dev,
		struct drm_connector_state *conn_state;
		struct vmw_connector_state *vmw_conn_state;

		if (!du->pref_active) {
		if (!du->pref_active && new_crtc_state->enable) {
		ret = -EINVAL;
		goto clean;
		}

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