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| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-16 18:14:22 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-06-17 09:24:29 +1000 |
| commit | ba7e05e95880ad80f012555fb8e925cb1f9a5d63 (patch) | |
| tree | 5f3961c32305ee95452ec7e8f65503dc54595937 | |
| parent | 826c7e4147f902737b281e8a5a7d7aa33fd63316 (diff) | |
| download | linux-ba7e05e95880ad80f012555fb8e925cb1f9a5d63.tar.gz linux-ba7e05e95880ad80f012555fb8e925cb1f9a5d63.tar.bz2 linux-ba7e05e95880ad80f012555fb8e925cb1f9a5d63.zip | |
drm/radeon/kms: fix num crtcs for Cedar and Caicos
Only support 4 rather than 6.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 9bd162fc9b0c..b2449629537d 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -938,6 +938,13 @@ static struct radeon_asic cayman_asic = { int radeon_asic_init(struct radeon_device *rdev) { radeon_register_accessor_init(rdev); + + /* set the number of crtcs */ + if (rdev->flags & RADEON_SINGLE_CRTC) + rdev->num_crtc = 1; + else + rdev->num_crtc = 2; + switch (rdev->family) { case CHIP_R100: case CHIP_RV100: @@ -1017,6 +1024,11 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_JUNIPER: case CHIP_CYPRESS: case CHIP_HEMLOCK: + /* set num crtcs */ + if (rdev->family == CHIP_CEDAR) + rdev->num_crtc = 4; + else + rdev->num_crtc = 6; rdev->asic = &evergreen_asic; break; case CHIP_PALM: @@ -1027,10 +1039,17 @@ int radeon_asic_init(struct radeon_device *rdev) case CHIP_BARTS: case CHIP_TURKS: case CHIP_CAICOS: + /* set num crtcs */ + if (rdev->family == CHIP_CAICOS) + rdev->num_crtc = 4; + else + rdev->num_crtc = 6; rdev->asic = &btc_asic; break; case CHIP_CAYMAN: rdev->asic = &cayman_asic; + /* set num crtcs */ + rdev->num_crtc = 6; break; default: /* FIXME: not supported yet */ @@ -1042,18 +1061,6 @@ int radeon_asic_init(struct radeon_device *rdev) rdev->asic->set_memory_clock = NULL; } - /* set the number of crtcs */ - if (rdev->flags & RADEON_SINGLE_CRTC) - rdev->num_crtc = 1; - else { - if (ASIC_IS_DCE41(rdev)) - rdev->num_crtc = 2; - else if (ASIC_IS_DCE4(rdev)) - rdev->num_crtc = 6; - else - rdev->num_crtc = 2; - } - return 0; } |