Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 61bb3fea authored by Patrik Jakobsson's avatar Patrik Jakobsson
Browse files

drm/gma500: Add fb gtt offset to fb base 



Old code assumed framebuffer starts at base of stolen memory. Since the
addition of hardware cursors, this might not be true anymore so add the
gtt offset to the calculation.

Reported-by: default avatarHolger Schurig <holgerschurig@gmail.com>
Tested-by: default avatarHolger Schurig <holgerschurig@gmail.com>
Signed-off-by: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
parent 307b9c02

drivers/gpu/drm/gma500/framebuffer.c

+2 −2
Original line number Diff line number Diff line
@@ -121,8 +121,8 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) 
	unsigned long address;

	int ret;

	unsigned long pfn;

	/* FIXME: assumes fb at stolen base which may not be true */

	unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;

	unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +

				  psbfb->gtt->offset;



	page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;

	address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);