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Commit ae1b1143 authored by Alan Kwong's avatar Alan Kwong
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drm/msm/sde: allow connector to accept null framebuffer id 



Zero is valid a framebuffer identifier to indicated no framebuffer
attached. Change connector to accept null framebuffer as buffer
detachment.

CRs-Fixed: 2009714
Change-Id: I4ffc7e6947b31dce81631746bb2ca2daf02f978c
Signed-off-by: default avatarAlan Kwong <akwong@codeaurora.org>
parent 3e985f08

drivers/gpu/drm/msm/sde/sde_connector.c

+4 −1
Original line number Diff line number Diff line
@@ -399,9 +399,12 @@ static int sde_connector_atomic_set_property(struct drm_connector *connector, 
		/* convert fb val to drm framebuffer and prepare it */

		c_state->out_fb =

			drm_framebuffer_lookup(connector->dev, val);

		if (!c_state->out_fb) {

		if (!c_state->out_fb && val) {

			SDE_ERROR("failed to look up fb %lld\n", val);

			rc = -EFAULT;

		} else if (!c_state->out_fb && !val) {

			SDE_DEBUG("cleared fb_id\n");

			rc = 0;

		} else {

			msm_framebuffer_set_kmap(c_state->out_fb,

					c_conn->fb_kmap);