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| author | Alex Deucher <alexander.deucher@amd.com> | 2012-02-13 08:59:41 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-02-14 10:56:51 +0000 |
| commit | 6f9f8a61089bb177e53e14ee62f4a65134f3692f (patch) | |
| tree | 0cda17a6cdeeb6bc743d8d1040e7d9ccd2d5b3f5 /drivers | |
| parent | 40e8c738785a25be585fcf661c6bb32f1a090ef2 (diff) | |
| download | linux-6f9f8a61089bb177e53e14ee62f4a65134f3692f.tar.gz linux-6f9f8a61089bb177e53e14ee62f4a65134f3692f.tar.bz2 linux-6f9f8a61089bb177e53e14ee62f4a65134f3692f.zip | |
drm/radeon/kms/atom: bios scratch reg handling updates
- Add missing DFP6 connection state handling
- crtc routing bits not used on DCE4+
Noticed by sylware on phoronix.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 5082d17d14dc..9e72daeeddc6 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2931,6 +2931,20 @@ radeon_atombios_connected_scratch_regs(struct drm_connector *connector, bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5; } } + if ((radeon_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) && + (radeon_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) { + if (connected) { + DRM_DEBUG_KMS("DFP6 connected\n"); + bios_0_scratch |= ATOM_S0_DFP6; + bios_3_scratch |= ATOM_S3_DFP6_ACTIVE; + bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6; + } else { + DRM_DEBUG_KMS("DFP6 disconnected\n"); + bios_0_scratch &= ~ATOM_S0_DFP6; + bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE; + bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6; + } + } if (rdev->family >= CHIP_R600) { WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch); @@ -2951,6 +2965,9 @@ radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc) struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); uint32_t bios_3_scratch; + if (ASIC_IS_DCE4(rdev)) + return; + if (rdev->family >= CHIP_R600) bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH); else |