diff options
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_compat_utils.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_compat_utils.c b/drivers/video/fbdev/msm/mdss_compat_utils.c index 81ca9139536a..2a63ac81ef29 100644 --- a/drivers/video/fbdev/msm/mdss_compat_utils.c +++ b/drivers/video/fbdev/msm/mdss_compat_utils.c @@ -1125,6 +1125,54 @@ static int __to_user_pa_v2_cfg_data( return 0; } +static int __from_user_dither_cfg_data( + struct mdp_dither_cfg_data32 __user *dither_cfg32, + struct mdp_dither_cfg_data __user *dither_cfg) +{ + if (copy_in_user(&dither_cfg->block, + &dither_cfg32->block, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg->flags, + &dither_cfg32->flags, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg->g_y_depth, + &dither_cfg32->g_y_depth, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg->r_cr_depth, + &dither_cfg32->r_cr_depth, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg->b_cb_depth, + &dither_cfg32->b_cb_depth, + sizeof(uint32_t))) + return -EFAULT; + + return 0; +} + +static int __to_user_dither_cfg_data( + struct mdp_dither_cfg_data32 __user *dither_cfg32, + struct mdp_dither_cfg_data __user *dither_cfg) +{ + if (copy_in_user(&dither_cfg32->block, + &dither_cfg->block, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg32->flags, + &dither_cfg->flags, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg32->g_y_depth, + &dither_cfg->g_y_depth, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg32->r_cr_depth, + &dither_cfg->r_cr_depth, + sizeof(uint32_t)) || + copy_in_user(&dither_cfg32->b_cb_depth, + &dither_cfg->b_cb_depth, + sizeof(uint32_t))) + return -EFAULT; + + return 0; +} + static int __pp_compat_alloc(struct msmfb_mdp_pp32 __user *pp32, struct msmfb_mdp_pp __user **pp, uint32_t op) @@ -1312,6 +1360,19 @@ static int mdss_compat_pp_ioctl(struct fb_info *info, unsigned int cmd, compat_ptr((uintptr_t)&pp32->data.pa_v2_cfg_data), &pp->data.pa_v2_cfg_data); break; + case mdp_op_dither_cfg: + ret = __from_user_dither_cfg_data( + compat_ptr((uintptr_t)&pp32->data.dither_cfg_data), + &pp->data.dither_cfg_data); + if (ret) + goto pp_compat_exit; + ret = mdss_fb_do_ioctl(info, cmd, (unsigned long) pp); + if (ret) + goto pp_compat_exit; + ret = __to_user_dither_cfg_data( + compat_ptr((uintptr_t)&pp32->data.dither_cfg_data), + &pp->data.dither_cfg_data); + break; default: break; } |