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Commit 75002595 authored by Manoj Rao's avatar Manoj Rao
Browse files

msm: mdss: fb: remove unused page protection flags 



In mmap implementation for mdss-fb, the argument for page protection
flags were used only in the legacy MDP drivers. Remove these
these unused flags.

Change-Id: I5d67008b5b61165d2cc87ac15e5ef544dcdf819f
Signed-off-by: default avatarManoj Rao <manojraj@codeaurora.org>
parent e30c480b

drivers/video/msm/mdss/mdss_fb.c

+0 −23
Original line number Diff line number Diff line
@@ -983,27 +983,6 @@ static int mdss_fb_blank(int blank_mode, struct fb_info *info) 
	return mdss_fb_blank_sub(blank_mode, info, mfd->op_enable);

}



/* Set VM page protection */

static inline void __mdss_fb_set_page_protection(struct vm_area_struct *vma,

		struct msm_fb_data_type *mfd)

{

	if (mfd->mdp_fb_page_protection == MDP_FB_PAGE_PROTECTION_WRITECOMBINE)

		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);

	else if (mfd->mdp_fb_page_protection ==

			MDP_FB_PAGE_PROTECTION_WRITETHROUGHCACHE)

		vma->vm_page_prot = pgprot_writethroughcache(vma->vm_page_prot);

	else if (mfd->mdp_fb_page_protection ==

			MDP_FB_PAGE_PROTECTION_WRITEBACKCACHE)

		vma->vm_page_prot = pgprot_writebackcache(vma->vm_page_prot);

	else if (mfd->mdp_fb_page_protection ==

			MDP_FB_PAGE_PROTECTION_WRITEBACKWACACHE)

		vma->vm_page_prot = pgprot_writebackwacache(vma->vm_page_prot);

	else

		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);





}



static inline int mdss_fb_create_ion_client(struct msm_fb_data_type *mfd)

{

	mfd->fb_ion_client  = msm_ion_client_create(-1 , "mdss_fb_iclient");
@@ -1189,8 +1168,6 @@ static int mdss_fb_fbmem_ion_mmap(struct fb_info *info, 
			}

			len = min(len, remainder);



			__mdss_fb_set_page_protection(vma, mfd);



			pr_debug("vma=%p, addr=%x len=%ld",

					vma, (unsigned int)addr, len);

			pr_cont("vm_start=%x vm_end=%x vm_page_prot=%ld\n",