From 2cf3a4fcc64e5b54a8a3cd793c6c0024b5d8da6c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 22 May 2013 11:30:34 -0400 Subject: 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 --- drivers/gpu/drm/radeon/radeon_device.c | 4 ++++ 1 file changed, 4 insertions(+) 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); -- cgit v1.2.3-55-g7522