Francis Rowe (info@gluglug.org.uk) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10090
-gerrit
commit fe448679cfe6bf157a13174199e0ad32860e2ae2 Author: Francis Rowe info@gluglug.org.uk Date: Mon May 4 14:40:18 2015 +0100
NOTFORMERGE: lenovo/t400: hard-code enable integrated-only video
Written with libreboot in mind. Libreboot uses native graphics initialization only, so we want to ensure that these systems only use the integrated (Intel) GPU for which native init exists.
Native graphics initialization does not yet exist for the ATI GPUs on these laptops...
Change-Id: I2eae4b6eb05a6d9e188cfca84692f6a8b5d67090 Signed-off-by: Francis Rowe info@gluglug.org.uk --- src/mainboard/lenovo/t400/romstage.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mainboard/lenovo/t400/romstage.c b/src/mainboard/lenovo/t400/romstage.c index 20071c0..ad9e749 100644 --- a/src/mainboard/lenovo/t400/romstage.c +++ b/src/mainboard/lenovo/t400/romstage.c @@ -213,7 +213,8 @@ void main(unsigned long bist) default_southbridge_gpio_setup();
uint8_t hybrid_graphics_mode = HYBRID_GRAPHICS_INTEGRATED_ONLY; - get_option(&hybrid_graphics_mode, "hybrid_graphics_mode"); + /* Not for merge! Hard-code enable integrated-only by commenting this line: */ + /* get_option(&hybrid_graphics_mode, "hybrid_graphics_mode"); */
/* Set up hybrid graphics */ hybrid_graphics_set_up_gpio();