diff options
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ece03fc2d386..5a18b0df8285 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -149,8 +149,7 @@ EXPORT_SYMBOL(drm_edid_header_is_valid); * Sanity check the EDID block (base or extension). Return 0 if the block * doesn't check out, or 1 if it's valid. */ -static bool -drm_edid_block_valid(u8 *raw_edid) +bool drm_edid_block_valid(u8 *raw_edid) { int i; u8 csum = 0; @@ -203,6 +202,7 @@ bad: } return 0; } +EXPORT_SYMBOL(drm_edid_block_valid); /** * drm_edid_is_valid - sanity check EDID data @@ -226,7 +226,6 @@ bool drm_edid_is_valid(struct edid *edid) } EXPORT_SYMBOL(drm_edid_is_valid); -#define DDC_ADDR 0x50 #define DDC_SEGMENT_ADDR 0x30 /** * Get EDID information via I2C. @@ -266,6 +265,11 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, } }; ret = i2c_transfer(adapter, msgs, 2); + if (ret == -ENXIO) { + DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n", + adapter->name); + break; + } } while (ret != 2 && --retries); return ret == 2 ? 0 : -1; @@ -745,7 +749,7 @@ drm_mode_std(struct drm_connector *connector, struct edid *edid, */ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { - kfree(mode); + drm_mode_destroy(dev, mode); mode = drm_gtf_mode_complex(dev, hsize, vsize, vrefresh_rate, 0, 0, drm_gtf2_m(edid), |