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Commit b4d4eae0 authored by Thomas Dedinsky's avatar Thomas Dedinsky
Browse files

drm: msm: sde: Allow reservation of odd number of DSCs 



Add a check to escape the DSC allocation once the requested
number of DSCs has been reached and a pair is not required
for the last DSC allocated. This issue was introduced when
trying to allow for quad DSC, which broke single DSC use.

Change-Id: I4bc368004f92570d588e76ceb832d63fd3bb15d7
Signed-off-by: default avatarThomas Dedinsky <tdedinsk@codeaurora.org>
parent d94c7aef

msm/sde/sde_rm.c

+5 −2
Original line number Diff line number Diff line
@@ -1324,11 +1324,14 @@ static int _sde_rm_reserve_dsc( 
		reserve_mask |= (1 << iter_i.blk->id);

		dsc[alloc_count++] = iter_i.blk;



		/* Return if peer is not needed */

		if (alloc_count == num_dsc_enc)

			break;



		/* Valid first dsc found, find matching peers */

		sde_rm_init_hw_iter(&iter_j, 0, SDE_HW_BLK_DSC);



		while (alloc_count != num_dsc_enc &&

				_sde_rm_get_hw_locked(rm, &iter_j)) {

		while (_sde_rm_get_hw_locked(rm, &iter_j)) {

			if (reserve_mask & (1 << iter_j.blk->id))

				continue;