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drm/edid: Fix secondary block fetch.

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This makes fetching the second EDID block on HDMI monitors actually
work.  DDC can't transfer more than 128 bytes at a time.  Also,
rearrange the code so the pure DDC bits are separate from block parse.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Adam Jackson
2010-03-29 21:43:18 +00:00
committed by Dave Airlie
parent 95beb69017
commit 61e57a8d72
2 changed files with 187 additions and 145 deletions
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2
include/drm/drm_crtc.h
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@@ -666,8 +666,6 @@ extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
extern struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter);
extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
unsigned char *buf, int len);
extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);