xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon/kms: evergreen.c updates for fusion

Browse Source 
fusion chips only have 2 crtcs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-11-22 17:56:28 -05:00
committed by Dave Airlie
parent 6eb18f8b60
commit 180074010c
2 changed files with 110 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/radeon/radeon_device.c
View File

@@ -335,7 +335,12 @@ bool radeon_card_posted(struct radeon_device *rdev)
uint32_t reg;
/* first check CRTCs */
if (ASIC_IS_DCE4(rdev)) {
if (ASIC_IS_DCE41(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) |