diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2013-10-28 15:49:34 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2014-02-24 18:45:57 +0100 |
| commit | e3f75f8ecaf1aab1bee1f1f79caa35c526c124a5 (patch) | |
| tree | f88b0b832674601cd00d3c00143e55a70e9719da /src/soc/intel/baytrail/romstage/gfx.c | |
| parent | e549e94d03305ce142d973ebb1f8383d37d3a491 (diff) | |
baytrail: Enable GFX device
- Ungate display in PUNIT
- Set GSM to 64MB since 32MB is not supported in <C0 stepping
- Initialize power management registers in GTT
- Execute VBIOS if found
BUG=chrome-os-partner:23507
BRANCH=rambi
TEST=build and boot to dev screen via HDMI on rambi
Change-Id: Idb032c7ea7f16b651b4c921e3429a652fe663a5d
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/174922
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4907
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/soc/intel/baytrail/romstage/gfx.c')
| -rw-r--r-- | src/soc/intel/baytrail/romstage/gfx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/soc/intel/baytrail/romstage/gfx.c b/src/soc/intel/baytrail/romstage/gfx.c index 3b47ccf954..592d1feaf8 100644 --- a/src/soc/intel/baytrail/romstage/gfx.c +++ b/src/soc/intel/baytrail/romstage/gfx.c @@ -37,7 +37,8 @@ void gfx_init(void) msac = pci_read_config8(gfx_dev, MSAC); ggc &= ~(GGC_GTT_SIZE_MASK | GGC_GSM_SIZE_MASK); - ggc |= GGC_GTT_SIZE_2MB | GGC_GSM_SIZE_32MB; + /* 32MB GSM is not supported with <C0 stepping. */ + ggc |= GGC_GTT_SIZE_2MB | GGC_GSM_SIZE_64MB; /* Enable VGA decoding as well. */ ggc &= ~(GGC_VGA_DISABLE); |