staging: drm/imx: set second plane base address

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>

diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c
index d97454a0dffd947a5cf51d039f7c816ea2145748..685411ce6e39a87f561a08bb381f42355af5daff 100644 (file)
--- a/drivers/staging/imx-drm/ipuv3-plane.c
+++ b/drivers/staging/imx-drm/ipuv3-plane.c
@@ -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;
 }