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drm/radeon: fix card_posted check for newer asics

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Newer asics have variable numbers of crtcs.  Use that
rather than the asic family to determine which crtcs
to check.  This avoids checking non-existent crtcs or
missing crtcs on certain asics.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2013-05-22 11:22:51 -04:00
parent 468ef1a58c
commit 09fb8bd1a6
1 changed files with 9 additions and 10 deletions
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19
drivers/gpu/drm/radeon/radeon_device.c
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@ -472,18 +472,17 @@ bool radeon_card_posted(struct radeon_device *rdev)
return false;
/* first check CRTCs */
if (ASIC_IS_DCE41(rdev)) {
if (ASIC_IS_DCE4(rdev)) {
reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
if (reg & EVERGREEN_CRTC_MASTER_EN)
return true;
} else if (ASIC_IS_DCE4(rdev)) {
reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
if (rdev->num_crtc >= 4) {
reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
}
if (rdev->num_crtc >= 6) {
reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
}
if (reg & EVERGREEN_CRTC_MASTER_EN)
return true;
} else if (ASIC_IS_AVIVO(rdev)) {