Setting the stride can only be done on inactive channels, while the buffer base address can also be updated for running channels using the hardware double buffering feature.
Signed-off-by: Philipp Zabel p.zabel@pengutronix.de --- drivers/staging/imx-drm/ipuv3-plane.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c index 43e36ea..9f79a17 100644 --- a/drivers/staging/imx-drm/ipuv3-plane.c +++ b/drivers/staging/imx-drm/ipuv3-plane.c @@ -76,8 +76,6 @@ int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb, &cma_obj->paddr, x, y);
cpmem = ipu_get_cpmem(ipu_plane->ipu_ch); - ipu_cpmem_set_stride(cpmem, fb->pitches[0]); - eba = cma_obj->paddr + fb->offsets[0] + fb->pitches[0] * y + (fb->bits_per_pixel >> 3) * x; ipu_cpmem_set_buffer(cpmem, 0, eba); @@ -193,6 +191,7 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, return ret; } ipu_cpmem_set_high_priority(ipu_plane->ipu_ch); + ipu_cpmem_set_stride(cpmem, fb->pitches[0]);
ret = ipu_plane_set_base(ipu_plane, fb, src_x, src_y); if (ret < 0)