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board/freescale/imx6-sabresd: improve Qt5 Cinematic Demo instructions

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QT_QPA_EGLFS_ALWAYS_SET_MODE=1 needs to be exported, otherwise the Qt5
Cinematic demo throws a storm of the following messages:

Could not queue DRM page flip on screen LVDS1 (Invalid argument)

Improve the instructions by mentioning such requirement.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fabio Estevam 2019-10-09 14:00:03 -03:00 committed by Thomas Petazzoni
parent ca6f9504dd
commit d9ccd8f0fc
1 changed files with 1 additions and 0 deletions
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board/freescale/imx6-sabresd/readme.txt
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@ -80,6 +80,7 @@ Running kmscube application:
Running Qt5 Cinematic Demo:
# export QT_QPA_EGLFS_KMS_CONFIG=/root/sabresd.json
# export QT_QPA_EGLFS_ALWAYS_SET_MODE=1
# /usr/share/Qt5/CinematicExperience/Qt5_CinematicExperience
Running gl2mark benchmark: