Prepare for unification with non-afbc case.
Signed-off-by: Andrzej Pietrasiewicz andrzej.p@collabora.com --- .../arm/display/komeda/komeda_framebuffer.c | 90 +++++++++---------- 1 file changed, 42 insertions(+), 48 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index e55ab6130e15..ac7e099435c9 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -36,52 +36,6 @@ static const struct drm_framebuffer_funcs komeda_fb_funcs = { .create_handle = komeda_fb_create_handle, };
-static int -komeda_fb_afbc_size_check(struct drm_device *dev, - struct komeda_fb *kfb, - const struct drm_format_info *info, - struct drm_gem_object **objs, - struct drm_file *file, - const struct drm_mode_fb_cmd2 *mode_cmd) -{ - struct drm_size_check check = { 0 }; - u32 alignment_w = 0, alignment_h = 0, alignment_header, n_blocks, bpp; - - if (!drm_afbc_get_superblock_wh(mode_cmd->modifier[0], - &alignment_w, &alignment_h)) - return -EINVAL; - - /* tiled header afbc */ - if (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_TILED) { - alignment_w *= AFBC_TH_LAYOUT_ALIGNMENT; - alignment_h *= AFBC_TH_LAYOUT_ALIGNMENT; - alignment_header = AFBC_TH_BODY_START_ALIGNMENT; - } else { - alignment_header = AFBC_BODY_START_ALIGNMENT; - } - - kfb->aligned_w = ALIGN(mode_cmd->width, alignment_w); - kfb->aligned_h = ALIGN(mode_cmd->height, alignment_h); - - if (mode_cmd->offsets[0] % alignment_header) { - DRM_DEBUG_KMS("afbc offset alignment check failed.\n"); - return -EINVAL; - } - - n_blocks = (kfb->aligned_w * kfb->aligned_h) / AFBC_SUPERBLK_PIXELS; - kfb->offset_payload = ALIGN(n_blocks * AFBC_HEADER_SIZE, - alignment_header); - - bpp = komeda_get_afbc_format_bpp(info, mode_cmd->modifier[0]); - kfb->afbc_size = kfb->offset_payload + n_blocks * - ALIGN(bpp * AFBC_SUPERBLK_PIXELS / 8, - AFBC_SUPERBLK_ALIGNMENT); - check.min_size[0] = kfb->afbc_size + mode_cmd->offsets[0]; - check.use_min_size = true; - - return drm_gem_fb_size_check_special(dev, mode_cmd, &check, objs); -} - struct drm_framebuffer * komeda_fb_create(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd) @@ -114,14 +68,54 @@ komeda_fb_create(struct drm_device *dev, struct drm_file *file, info = drm_get_format_info(dev, mode_cmd);
if (mode_cmd->modifier[0]) { + struct drm_size_check check = { 0 }; + u32 alignment_w = 0, alignment_h = 0; + u32 alignment_header, n_blocks, bpp; + if (num_planes != 1) { DRM_DEBUG_KMS("AFBC requires exactly 1 plane.\n"); ret = -EINVAL; goto err_cleanup; }
- ret = komeda_fb_afbc_size_check(dev, kfb, info, objs, - file, mode_cmd); + if (!drm_afbc_get_superblock_wh(mode_cmd->modifier[0], + &alignment_w, &alignment_h)) { + ret = -EINVAL; + goto err_cleanup; + } + + /* tiled header afbc */ + if (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_TILED) { + alignment_w *= AFBC_TH_LAYOUT_ALIGNMENT; + alignment_h *= AFBC_TH_LAYOUT_ALIGNMENT; + alignment_header = AFBC_TH_BODY_START_ALIGNMENT; + } else { + alignment_header = AFBC_BODY_START_ALIGNMENT; + } + + kfb->aligned_w = ALIGN(mode_cmd->width, alignment_w); + kfb->aligned_h = ALIGN(mode_cmd->height, alignment_h); + + if (mode_cmd->offsets[0] % alignment_header) { + DRM_DEBUG_KMS("afbc offset alignment check failed.\n"); + ret = -EINVAL; + goto err_cleanup; + } + + n_blocks = (kfb->aligned_w * kfb->aligned_h) + / AFBC_SUPERBLK_PIXELS; + kfb->offset_payload = ALIGN(n_blocks * AFBC_HEADER_SIZE, + alignment_header); + + bpp = komeda_get_afbc_format_bpp(info, mode_cmd->modifier[0]); + kfb->afbc_size = kfb->offset_payload + n_blocks * + ALIGN(bpp * AFBC_SUPERBLK_PIXELS / 8, + AFBC_SUPERBLK_ALIGNMENT); + check.min_size[0] = kfb->afbc_size + mode_cmd->offsets[0]; + check.use_min_size = true; + + ret = drm_gem_fb_size_check_special(dev, mode_cmd, &check, + objs); } else { struct drm_size_check check = { 0 };