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drm/radeon/kms: fix some logic errors in combios i2c mapping

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The virtual i2c to real i2c channel mappings weren't setting
the right id in some cases.

Spotted by: Andrew Randrianasulu

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-05-04 15:14:44 +00:00 committed by Dave Airlie
parent d4a3b10c16
commit 776f2b7cb4
1 changed files with 12 additions and 6 deletions
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18
drivers/gpu/drm/radeon/radeon_combios.c
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@ -544,20 +544,26 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
rdev->family == CHIP_RS480)
ddc_line = RADEON_GPIOPAD_MASK;
else if (rdev->family == CHIP_R300 ||
rdev->family == CHIP_R350)
rdev->family == CHIP_R350) {
ddc_line = RADEON_GPIO_DVI_DDC;
else
ddc = DDC_DVI;
} else
ddc_line = RADEON_GPIO_MONID;
break;
case DDC_CRT2:
if (rdev->family == CHIP_R200 ||
rdev->family == CHIP_R300 ||
rdev->family == CHIP_R350)
rdev->family == CHIP_R350) {
ddc_line = RADEON_GPIO_DVI_DDC;
else if (rdev->family == CHIP_RS300 ||
rdev->family >= CHIP_RV350)
ddc = DDC_DVI;
} else if (rdev->family == CHIP_RS300 ||
rdev->family == CHIP_RS400 ||
rdev->family == CHIP_RS480)
ddc_line = RADEON_GPIO_MONID;
else
else if (rdev->family >= CHIP_RV350) {
ddc_line = RADEON_GPIO_MONID;
ddc = DDC_MONID;
} else
ddc_line = RADEON_GPIO_CRT2_DDC;
break;
}