diff options
Diffstat (limited to 'drivers/video/fsl-diu-fb.c')
| -rw-r--r-- | drivers/video/fsl-diu-fb.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index f388c3a065d2..6e32ba83aa5b 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -430,6 +430,22 @@ static struct mfb_info mfb_template[] = { }, }; +#ifdef DEBUG +static void __attribute__ ((unused)) fsl_diu_dump(struct diu __iomem *hw) +{ + mb(); + pr_debug("DIU: desc=%08x,%08x,%08x, gamma=%08x pallete=%08x " + "cursor=%08x curs_pos=%08x diu_mode=%08x bgnd=%08x " + "disp_size=%08x hsyn_para=%08x vsyn_para=%08x syn_pol=%08x " + "thresholds=%08x int_mask=%08x plut=%08x\n", + hw->desc[0], hw->desc[1], hw->desc[2], hw->gamma, + hw->pallete, hw->cursor, hw->curs_pos, hw->diu_mode, + hw->bgnd, hw->disp_size, hw->hsyn_para, hw->vsyn_para, + hw->syn_pol, hw->thresholds, hw->int_mask, hw->plut); + rmb(); +} +#endif + /** * fsl_diu_name_to_port - convert a port name to a monitor port enum * @@ -1108,6 +1124,12 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd, if (!arg) return -EINVAL; + + dev_dbg(info->dev, "ioctl %08x (dir=%s%s type=%u nr=%u size=%u)\n", cmd, + _IOC_DIR(cmd) & _IOC_READ ? "R" : "", + _IOC_DIR(cmd) & _IOC_WRITE ? "W" : "", + _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd)); + switch (cmd) { case MFB_SET_PIXFMT_OLD: dev_warn(info->dev, @@ -1754,6 +1776,9 @@ static int __init fsl_diu_init(void) coherence_data_size = be32_to_cpup(prop) * 13; coherence_data_size /= 8; + pr_debug("fsl-diu-fb: coherence data size is %zu bytes\n", + coherence_data_size); + prop = of_get_property(np, "d-cache-line-size", NULL); if (prop == NULL) { pr_err("fsl-diu-fb: missing 'd-cache-line-size' property' " @@ -1763,10 +1788,17 @@ static int __init fsl_diu_init(void) } d_cache_line_size = be32_to_cpup(prop); + pr_debug("fsl-diu-fb: cache lines size is %u bytes\n", + d_cache_line_size); + of_node_put(np); coherence_data = vmalloc(coherence_data_size); - if (!coherence_data) + if (!coherence_data) { + pr_err("fsl-diu-fb: could not allocate coherence data " + "(size=%zu)\n", coherence_data_size); return -ENOMEM; + } + #endif ret = platform_driver_register(&fsl_diu_driver); |