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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-05-22 19:30:34 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-05-29 19:35:07 +0400 |
| commit | 2cf3a4fcc64e5b54a8a3cd793c6c0024b5d8da6c (patch) | |
| tree | 883692fa89680031b5a9537041d8c68824fd8470 /drivers/gpu | |
| parent | 09fb8bd1a63b0f9f15e655c4fe8d047e5d2bf67a (diff) | |
| download | linux-2cf3a4fcc64e5b54a8a3cd793c6c0024b5d8da6c.tar.xz | |
drm/radeon: don't check crtcs in card_posted() on cards without DCE
Skip checking crtcs in hardware without them. Avoids checking
non-existent hardware.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 89cc8166db94..af82c9b6a28b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -471,6 +471,9 @@ bool radeon_card_posted(struct radeon_device *rdev) rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) return false; + if (ASIC_IS_NODCE(rdev)) + goto check_memsize; + /* first check CRTCs */ if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | @@ -499,6 +502,7 @@ bool radeon_card_posted(struct radeon_device *rdev) } } +check_memsize: /* then check MEM_SIZE, in case the crtcs are off */ if (rdev->family >= CHIP_R600) reg = RREG32(R600_CONFIG_MEMSIZE); |