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Commit 49d8a2ad authored by Lynus Vaz's avatar Lynus Vaz
Browse files

msm: kgsl: Do not modify the userspace alignment request 



Userspace cares about the GPU VA alignment it requested, and it does
not know about the alignment forced by the device. Do not modify the
userspace-requested alignment value since it is shared with
userspace.

Change-Id: If5e605aeb92724785ab24af5b7bf29f8138e5f46
Signed-off-by: default avatarLynus Vaz <lvaz@codeaurora.org>
parent 0d88cce3

drivers/gpu/msm/kgsl.c

+2 −0
Original line number Diff line number Diff line
@@ -4349,6 +4349,8 @@ static unsigned long _get_svm_area(struct kgsl_process_private *private, 
	else

		align = SZ_4K;



	align = max_t(uint64_t, align, entry->memdesc.pad_to);



	/* get the GPU pagetable's SVM range */

	if (kgsl_mmu_svm_range(private->pagetable, &start, &end,

				entry->memdesc.flags))

drivers/gpu/msm/kgsl_iommu.c

+2 −1
Original line number Diff line number Diff line
@@ -2468,7 +2468,8 @@ static int kgsl_iommu_get_gpuaddr(struct kgsl_pagetable *pagetable, 


	size = kgsl_memdesc_footprint(memdesc);



	align = 1 << kgsl_memdesc_get_align(memdesc);

	align = max_t(uint64_t, 1 << kgsl_memdesc_get_align(memdesc),

			memdesc->pad_to);



	if (memdesc->flags & KGSL_MEMFLAGS_FORCE_32BIT) {

		start = pt->compat_va_start;

drivers/gpu/msm/kgsl_sharedmem.h

+0 −1
Original line number Diff line number Diff line
@@ -135,7 +135,6 @@ kgsl_memdesc_get_memtype(const struct kgsl_memdesc *memdesc) 
static inline int

kgsl_memdesc_set_align(struct kgsl_memdesc *memdesc, unsigned int align)

{

	align = max_t(unsigned int, align, ilog2(memdesc->pad_to));

	if (align > 32)

		align = 32;