diff options
| -rw-r--r-- | drivers/gpu/drm/drm_fb_cma_helper.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index b127061b4cf3..47e0e2f6642d 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -86,14 +86,21 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb, { struct drm_gem_cma_object *obj; dma_addr_t paddr; + u8 h_div = 1, v_div = 1; obj = drm_fb_cma_get_gem_obj(fb, plane); if (!obj) return 0; paddr = obj->paddr + fb->offsets[plane]; - paddr += fb->format->cpp[plane] * (state->src_x >> 16); - paddr += fb->pitches[plane] * (state->src_y >> 16); + + if (plane > 0) { + h_div = fb->format->hsub; + v_div = fb->format->vsub; + } + + paddr += (fb->format->cpp[plane] * (state->src_x >> 16)) / h_div; + paddr += (fb->pitches[plane] * (state->src_y >> 16)) / v_div; return paddr; } |