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Commit 935aadd2 authored by Ingrid Gallardo's avatar Ingrid Gallardo
Browse files

drm/msm/sde: move dpu mapping to the upper 2GB address space 



This change moves the display smmu mapping to the upper
2GB address space as recommended.

Change-Id: I0137f8807700c27d8a8485e5a6cb2c174d814d8d
Signed-off-by: default avatarIngrid Gallardo <ingridg@codeaurora.org>
parent a7bbb875

drivers/gpu/drm/msm/msm_smmu.c

+12 −8
Original line number Diff line number Diff line
@@ -33,6 +33,10 @@ 
#define SZ_4G	(((size_t) SZ_1G) * 4)

#endif



#ifndef SZ_2G

#define SZ_2G	(((size_t) SZ_1G) * 2)

#endif



struct msm_smmu_client {

	struct device *dev;

	struct dma_iommu_mapping *mmu_mapping;
@@ -300,26 +304,26 @@ static const struct msm_mmu_funcs funcs = { 
static struct msm_smmu_domain msm_smmu_domains[MSM_SMMU_DOMAIN_MAX] = {

	[MSM_SMMU_DOMAIN_UNSECURE] = {

		.label = "mdp_ns",

		.va_start = SZ_128K,

		.va_size = SZ_4G - SZ_128K,

		.va_start = SZ_2G,

		.va_size = SZ_4G - SZ_2G,

		.secure = false,

	},

	[MSM_SMMU_DOMAIN_SECURE] = {

		.label = "mdp_s",

		.va_start = SZ_128K,

		.va_size = SZ_4G - SZ_128K,

		.va_start = SZ_2G,

		.va_size = SZ_4G - SZ_2G,

		.secure = true,

	},

	[MSM_SMMU_DOMAIN_NRT_UNSECURE] = {

		.label = "rot_ns",

		.va_start = SZ_128K,

		.va_size = SZ_4G - SZ_128K,

		.va_start = SZ_2G,

		.va_size = SZ_4G - SZ_2G,

		.secure = false,

	},

	[MSM_SMMU_DOMAIN_NRT_SECURE] = {

		.label = "rot_s",

		.va_start = SZ_128K,

		.va_size = SZ_4G - SZ_128K,

		.va_start = SZ_2G,

		.va_size = SZ_4G - SZ_2G,

		.secure = true,

	},

};