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authorAdam Jackson <ajax@redhat.com>2010-03-29 21:43:23 +0000
committerDave Airlie <airlied@redhat.com>2010-04-06 10:40:20 +1000
commit7466f4cc508878a8328dff1c328a2b4108888d2e (patch)
treea46b13cd8b1baa22f241d1e8c90809a73c333561 /drivers/gpu/drm/drm_edid.c
parent2255be14cb82370a6af4054edb3b4cd170d80752 (diff)
drm/edid: Remove arbitrary EDID extension limit
Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 58b67932f04..cf24ecab6a4 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1325,7 +1325,6 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
int i, modes = 0;
char *edid_ext = NULL;
struct detailed_timing *timing;
- int edid_ext_num;
int start_offset, end_offset;
int timing_level;
@@ -1342,19 +1341,15 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
return 0;
}
- /* Chose real EDID extension number */
- edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
- DRM_MAX_EDID_EXT_NUM : edid->extensions;
-
/* Find CEA extension */
- for (i = 0; i < edid_ext_num; i++) {
+ for (i = 0; i < edid->extensions; i++) {
edid_ext = (char *)edid + EDID_LENGTH * (i + 1);
/* This block is CEA extension */
if (edid_ext[0] == 0x02)
break;
}
- if (i == edid_ext_num) {
+ if (i == edid->extensions) {
/* if there is no additional timing EDID block, return */
return 0;
}
@@ -1393,7 +1388,7 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
bool drm_detect_hdmi_monitor(struct edid *edid)
{
char *edid_ext = NULL;
- int i, hdmi_id, edid_ext_num;
+ int i, hdmi_id;
int start_offset, end_offset;
bool is_hdmi = false;
@@ -1401,19 +1396,15 @@ bool drm_detect_hdmi_monitor(struct edid *edid)
if (edid == NULL || edid->extensions == 0)
goto end;
- /* Chose real EDID extension number */
- edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
- DRM_MAX_EDID_EXT_NUM : edid->extensions;
-
/* Find CEA extension */
- for (i = 0; i < edid_ext_num; i++) {
+ for (i = 0; i < edid->extensions; i++) {
edid_ext = (char *)edid + EDID_LENGTH * (i + 1);
/* This block is CEA extension */
if (edid_ext[0] == 0x02)
break;
}
- if (i == edid_ext_num)
+ if (i == edid->extensions)
goto end;
/* Data block offset in CEA extension block */