video: udlfb: Kill off some magic constants for EDID sizing.

The edid length is fixed, so use the standard definition consistently.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
index d4f742ea0eda..530f1598de4e 100644
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <video/udlfb.h>
+#include "edid.h"
 
 static struct fb_fix_screeninfo dlfb_fix = {
         .id =           "udlfb",
@@ -1169,7 +1170,7 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
         if (info->dev) /* only use mutex if info has been registered */
                 mutex_lock(&info->lock);
 
-        edid = kmalloc(MAX_EDID_SIZE, GFP_KERNEL);
+        edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
         if (!edid) {
                 result = -ENOMEM;
                 goto error;
@@ -1185,9 +1186,9 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
          */
         while (tries--) {
 
-                i = dlfb_get_edid(dev, edid, MAX_EDID_SIZE);
+                i = dlfb_get_edid(dev, edid, EDID_LENGTH);
 
-                if (i >= MIN_EDID_SIZE)
+                if (i >= EDID_LENGTH)
                         fb_edid_to_monspecs(edid, &info->monspecs);
 
                 if (info->monspecs.modedb_len > 0) {
@@ -1211,7 +1212,7 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
 
         /* If that fails, use the default EDID we were handed */
         if (info->monspecs.modedb_len == 0) {
-                if (default_edid_size >= MIN_EDID_SIZE) {
+                if (default_edid_size >= EDID_LENGTH) {
                         fb_edid_to_monspecs(default_edid, &info->monspecs);
                         if (info->monspecs.modedb_len > 0) {
                                 memcpy(edid, default_edid, default_edid_size);
@@ -1360,9 +1361,7 @@ static ssize_t edid_store(
         struct dlfb_data *dev = fb_info->par;
 
         /* We only support write of entire EDID at once, no offset*/
-        if ((src_size < MIN_EDID_SIZE) ||
-            (src_size > MAX_EDID_SIZE) ||
-            (src_off != 0))
+        if ((src_size != EDID_LENGTH) || (src_off != 0))
                 return 0;
 
         dlfb_setup_modes(dev, fb_info, src, src_size);
@@ -1393,7 +1392,7 @@ static ssize_t metrics_reset_store(struct device *fbdev,
 static struct bin_attribute edid_attr = {
         .attr.name = "edid",
         .attr.mode = 0666,
-        .size = MAX_EDID_SIZE,
+        .size = EDID_LENGTH,
         .read = edid_show,
         .write = edid_store
 };