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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-22 18:53:08 +0000 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-02-24 00:38:14 +0000 |
| commit | e29206381a1436e0f47c0f5b9a23159a03c57715 (patch) | |
| tree | 128b7342ce53bdcee4885aa8ae1cc632639287c9 /drivers/video | |
| parent | 050f0e02c8dc38b2b4f2df345ac760d22ca5c7ba (diff) | |
| download | linux-stable-e29206381a1436e0f47c0f5b9a23159a03c57715.tar.gz linux-stable-e29206381a1436e0f47c0f5b9a23159a03c57715.tar.bz2 linux-stable-e29206381a1436e0f47c0f5b9a23159a03c57715.zip | |
viafb: fix IGA1 modesetting on VX900
Even if the documentation calls this bit "Reserved" it has to be set
to 0 for correct modesetting on IGA1.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/via/hw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index 8bdf80e270e2..8497727d66de 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -1810,6 +1810,9 @@ static void hw_init(void) break; } + /* magic required on VX900 for correct modesetting on IGA1 */ + via_write_reg_mask(VIACR, 0x45, 0x00, 0x01); + /* probably this should go to the scaling code one day */ via_write_reg_mask(VIACR, 0xFD, 0, 0x80); /* VX900 hw scale on IGA2 */ viafb_write_regx(scaling_parameters, ARRAY_SIZE(scaling_parameters)); |