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drm/msm: add a330/apq8x74

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Add support for adreno 330.  Not too much different, just a few
differences in initial configuration plus setting OCMEM base.
Userspace support is already in upstream mesa.

Note that the existing DT code is simply using the bindings from
downstream android kernel, to simplify porting of this driver to
existing devices.  These do not constitute any committed/stable
DT ABI.  The addition of proper DT bindings will be a subsequent
patch, at which point (as best as possible) I will try to support
either upstream bindings or what is found in downstream android
kernel, so that existing device DT files can be used.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2013-12-05 17:39:53 -05:00
parent 06c0dd96bf
commit 5545996817
5 changed files with 143 additions and 22 deletions
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2
drivers/gpu/drm/msm/msm_iommu.c
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@@ -40,7 +40,7 @@ static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
for (i = 0; i < cnt; i++) {
struct device *msm_iommu_get_ctx(const char *ctx_name);
struct device *ctx = msm_iommu_get_ctx(names[i]);
if (!ctx)
if (IS_ERR_OR_NULL(ctx))
continue;
ret = iommu_attach_device(iommu->domain, ctx);
if (ret) {