lisa/android_kernel_xiaomi_sm8350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

msm/sde/rotator: Remove deprecated SMMU api's in rotator driver.

Browse Source 
Remove deprecated smmu api's and add support for new api's
in rotator driver.

Change-Id: Ib7a3f48fe22867725e1224caf3489bf47044e37b
Signed-off-by: Shubhashree Dhar <dhar@codeaurora.org>
This commit is contained in:
Shubhashree Dhar 2019-04-30 17:51:07 +05:30
parent 6a9e397c73
commit 2179aedbdc
2 changed files with 18 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
rotator/sde_rotator_base.h
View File

@ -183,7 +183,7 @@ struct reg_bus_client {
struct sde_smmu_client {
struct device *dev;
struct dma_iommu_mapping *mmu_mapping;
struct iommu_domain *rot_domain;
struct sde_module_power mp;
struct reg_bus_client *reg_bus_clt;
bool domain_attached;

66
rotator/sde_rotator_smmu.c
View File

@ -28,19 +28,9 @@
#define SMMU_SDE_ROT_SEC "qcom,smmu_sde_rot_sec"
#define SMMU_SDE_ROT_UNSEC "qcom,smmu_sde_rot_unsec"
#ifndef SZ_4G
#define SZ_4G (((size_t) SZ_1G) * 4)
#endif
#ifndef SZ_2G
#define SZ_2G (((size_t) SZ_1G) * 2)
#endif
struct sde_smmu_domain {
char *ctx_name;
int domain;
unsigned long start;
unsigned long size;
};
static inline bool sde_smmu_is_valid_domain_type(
@ -225,8 +215,8 @@ int sde_smmu_attach(struct sde_rot_data_type *mdata)
sde_smmu_is_valid_domain_condition(mdata,
i,
true)) {
rc = __depr_arm_iommu_attach_device(
sde_smmu->dev, sde_smmu->mmu_mapping);
rc = iommu_attach_device(
sde_smmu->rot_domain, sde_smmu->dev);
if (rc) {
SDEROT_ERR(
"iommu attach device failed for domain[%d] with err:%d\n",
@ -250,7 +240,8 @@ err:
for (i--; i >= 0; i--) {
sde_smmu = sde_smmu_get_cb(i);
if (sde_smmu && sde_smmu->dev) {
__depr_arm_iommu_detach_device(sde_smmu->dev);
iommu_detach_device(sde_smmu->rot_domain,
sde_smmu->dev);
sde_smmu_enable_power(sde_smmu, false);
sde_smmu->domain_attached = false;
}
@ -278,7 +269,8 @@ int sde_smmu_detach(struct sde_rot_data_type *mdata)
if (sde_smmu->domain_attached &&
sde_smmu_is_valid_domain_condition(mdata,
i, false)) {
__depr_arm_iommu_detach_device(sde_smmu->dev);
iommu_detach_device(sde_smmu->rot_domain,
sde_smmu->dev);
SDEROT_DBG("iommu domain[%i] detached\n", i);
sde_smmu->domain_attached = false;
}
@ -487,9 +479,9 @@ static int sde_smmu_fault_handler(struct iommu_domain *domain,
}
static struct sde_smmu_domain sde_rot_unsec = {
"rot_0", SDE_IOMMU_DOMAIN_ROT_UNSECURE, SZ_2G, (SZ_4G - SZ_2G)};
"rot_0", SDE_IOMMU_DOMAIN_ROT_UNSECURE};
static struct sde_smmu_domain sde_rot_sec = {
"rot_1", SDE_IOMMU_DOMAIN_ROT_SECURE, SZ_2G, (SZ_4G - SZ_2G)};
"rot_1", SDE_IOMMU_DOMAIN_ROT_SECURE};
static const struct of_device_id sde_smmu_dt_match[] = {
{ .compatible = SMMU_SDE_ROT_UNSEC, .data = &sde_rot_unsec},
@ -517,9 +509,7 @@ int sde_smmu_probe(struct platform_device *pdev)
const struct of_device_id *match;
struct sde_module_power *mp;
char name[MAX_CLIENT_NAME_LEN];
int mdphtw_llc_enable = 1;
u32 sid = 0;
bool smmu_rot_full_map;
if (!mdata) {
SDEROT_INFO(
@ -604,34 +594,17 @@ int sde_smmu_probe(struct platform_device *pdev)
goto bus_client_destroy;
}
smmu_rot_full_map = of_property_read_bool(dev->of_node,
"qcom,fullsize-va-map");
if (smmu_rot_full_map) {
smmu_domain.start = SZ_128K;
smmu_domain.size = SZ_4G - SZ_128K;
}
sde_smmu->mmu_mapping = __depr_arm_iommu_create_mapping(
&platform_bus_type, smmu_domain.start, smmu_domain.size);
if (IS_ERR(sde_smmu->mmu_mapping)) {
SDEROT_ERR("iommu create mapping failed for domain[%d]\n",
smmu_domain.domain);
rc = PTR_ERR(sde_smmu->mmu_mapping);
sde_smmu->mmu_mapping = NULL;
goto disable_power;
}
rc = iommu_domain_set_attr(sde_smmu->mmu_mapping->domain,
DOMAIN_ATTR_USE_UPSTREAM_HINT, &mdphtw_llc_enable);
if (rc) {
SDEROT_ERR("couldn't enable rot pagetable walks: %d\n", rc);
goto release_mapping;
sde_smmu->dev = &pdev->dev;
sde_smmu->rot_domain = iommu_get_domain_for_dev(sde_smmu->dev);
if (!sde_smmu->rot_domain) {
dev_err(&pdev->dev, "iommu get domain failed\n");
return -EINVAL;
}
if (smmu_domain.domain == SDE_IOMMU_DOMAIN_ROT_SECURE) {
int secure_vmid = VMID_CP_PIXEL;
rc = iommu_domain_set_attr(sde_smmu->mmu_mapping->domain,
rc = iommu_domain_set_attr(sde_smmu->rot_domain,
DOMAIN_ATTR_SECURE_VMID, &secure_vmid);
if (rc) {
SDEROT_ERR("couldn't set secure pixel vmid\n");
@ -646,22 +619,18 @@ int sde_smmu_probe(struct platform_device *pdev)
dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
dma_set_seg_boundary(dev, DMA_BIT_MASK(64));
iommu_set_fault_handler(sde_smmu->mmu_mapping->domain,
iommu_set_fault_handler(sde_smmu->rot_domain,
sde_smmu_fault_handler, (void *)sde_smmu);
sde_smmu_enable_power(sde_smmu, false);
sde_smmu->dev = dev;
SDEROT_INFO(
"iommu v2 domain[%d] mapping and clk register successful!\n",
smmu_domain.domain);
return 0;
release_mapping:
__depr_arm_iommu_release_mapping(sde_smmu->mmu_mapping);
sde_smmu->mmu_mapping = NULL;
disable_power:
sde_smmu_enable_power(sde_smmu, false);
sde_smmu->rot_domain = NULL;
bus_client_destroy:
sde_reg_bus_vote_client_destroy(sde_smmu->reg_bus_clt);
sde_smmu->reg_bus_clt = NULL;
@ -688,8 +657,7 @@ int sde_smmu_remove(struct platform_device *pdev)
continue;
sde_smmu->dev = NULL;
__depr_arm_iommu_release_mapping(sde_smmu->mmu_mapping);
sde_smmu->mmu_mapping = NULL;
sde_smmu->rot_domain = NULL;
sde_smmu_enable_power(sde_smmu, false);
sde_reg_bus_vote_client_destroy(sde_smmu->reg_bus_clt);
sde_smmu->reg_bus_clt = NULL;