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Commit 3ab148db authored by Nirmal Abraham's avatar Nirmal Abraham Committed by Gerrit - the friendly Code Review server
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fbdev: msm: remove mappings before iommu detach 



The smmu device mappings should be removed before
calling iommu_detach_device.

Change-Id: I514c3241cc5659ec69611fe9998437152fbd69b5
Signed-off-by: default avatarNirmal Abraham <nabrah@codeaurora.org>
parent 32735954

drivers/video/fbdev/msm/mdss_smmu.c

+3 −0
Original line number Diff line number Diff line
@@ -370,6 +370,7 @@ static int mdss_smmu_attach_v2(struct mdss_data_type *mdata) 
	for (i--; i >= 0; i--) {

		mdss_smmu = mdss_smmu_get_cb(i);

		if (mdss_smmu && mdss_smmu->base.dev) {

			msm_dma_unmap_all_for_dev(mdss_smmu->base.dev);

			iommu_detach_device(mdss_smmu->domain,

						mdss_smmu->base.dev);

			mdss_smmu_enable_power(mdss_smmu, false);
@@ -402,6 +403,8 @@ static int mdss_smmu_detach_v2(struct mdss_data_type *mdata) 
				mdss_smmu->domain_attached &&

				mdss_smmu_is_valid_domain_condition(mdata,

					i, false)) {

				MDSS_XLOG(0x100);

				msm_dma_unmap_all_for_dev(mdss_smmu->base.dev);

				/*

				 * if entering in secure display or

				 * secure camera use case(for secured contexts