mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-27 03:10:12 +00:00
Code Issues Releases Wiki Activity

staging: drm/imx: set second plane base address

Browse source 
Even though we do not enable the hardware double buffering feature
right now, set the second base address pointer (EBA1) as well to
increase robustness.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Philipp Zabel 2014-01-10 16:17:28 +01:00 committed by Greg Kroah-Hartman
parent 69ba83585a
commit ee2e072e84
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/staging/imx-drm/ipuv3-plane.c
View file

@ -64,6 +64,7 @@ int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb,
{
struct ipu_ch_param __iomem *cpmem;
struct drm_gem_cma_object *cma_obj;
unsigned long eba;
cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
if (!cma_obj) {
@ -76,8 +77,10 @@ int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb,
cpmem = ipu_get_cpmem(ipu_plane->ipu_ch);
ipu_cpmem_set_stride(cpmem, fb->pitches[0]);
ipu_cpmem_set_buffer(cpmem, 0, cma_obj->paddr + fb->offsets[0] +
fb->pitches[0] * y + x);
eba = cma_obj->paddr + fb->offsets[0] + fb->pitches[0] * y + x;
ipu_cpmem_set_buffer(cpmem, 0, eba);
ipu_cpmem_set_buffer(cpmem, 1, eba);
return 0;
}