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author | Rahul Saxena <rahul.saxena@intel.com> | 2013-02-08 16:15:25 -0800 |
---|---|---|
committer | Tom Zanussi <tom.zanussi@linux.intel.com> | 2013-02-12 10:13:10 -0600 |
commit | d38b102cb9f3c269391d026d2022f10a6e1b1f11 (patch) | |
tree | ae95473032f851ddd894beeed9a60c0e463a514d /meta-cedartrail/README | |
parent | 0d850c9068a11f2d0907e3987de69c645ff8906a (diff) | |
download | meta-intel-d38b102cb9f3c269391d026d2022f10a6e1b1f11.tar.gz |
meta-cedartrail: Update README with workaround for Yocto Bugzilla #3607
The PVR driver has an issue that for some systems it causes it to
incorrectly assume that an LVDS display is connected while in fact a
VGA display is connected and vice versa.
The README file is updated with the work-around for this issue.
Signed-off-by: Rahul Saxena <Rahul.Saxena@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Diffstat (limited to 'meta-cedartrail/README')
-rwxr-xr-x | meta-cedartrail/README | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/meta-cedartrail/README b/meta-cedartrail/README index 0d166b22..e394faf6 100755 --- a/meta-cedartrail/README +++ b/meta-cedartrail/README | |||
@@ -51,7 +51,7 @@ Table of Contents | |||
51 | 51 | ||
52 | I. Building the meta-cedartrail BSP layer | 52 | I. Building the meta-cedartrail BSP layer |
53 | II. Booting the images in /binary | 53 | II. Booting the images in /binary |
54 | 54 | III. Miscellaneous Notes | |
55 | 55 | ||
56 | I. Building the meta-cedartrail BSP layer | 56 | I. Building the meta-cedartrail BSP layer |
57 | ========================================= | 57 | ========================================= |
@@ -188,3 +188,28 @@ EXTRA_IMAGE_FEATURES = "debug-tweaks" | |||
188 | and change above line to.. | 188 | and change above line to.. |
189 | 189 | ||
190 | EXTRA_IMAGE_FEATURES = "debug-tweaks tools-testapps" | 190 | EXTRA_IMAGE_FEATURES = "debug-tweaks tools-testapps" |
191 | |||
192 | |||
193 | Work Around for VGA and LVDS Display issue in PVR driver | ||
194 | -------------------------------------------------------- | ||
195 | |||
196 | The PVR driver has a issue that for some systems it causes | ||
197 | it to incorrectly assume that a LVDS display is connected | ||
198 | while infact a VGA display is connected and Vice Versa. | ||
199 | If your VGA or LVDS display does not work with | ||
200 | "cedartrail" MACHINE, then if you have connected a VGA display, | ||
201 | add the following to the kernel command line: | ||
202 | |||
203 | video=LVDS-1:d video=VGA-1:e | ||
204 | |||
205 | If you have connected a LVDS display, add the following to | ||
206 | the kernel command line: | ||
207 | |||
208 | video=LVDS-1:e video=VGA-1:d | ||
209 | |||
210 | The kernel boot command line can be updated before BSP build by | ||
211 | editing the "APPEND +=..." line in conf/machine/cedartrail.conf file. | ||
212 | |||
213 | The kernel command line can also be edited after a image is built by | ||
214 | editing the syslinux.cfg file in the USB flash device on which | ||
215 | the image is installed. | ||