drm/radeon/kms: add initial Evergreen support (Radeon HD 5xxx)
This adds initial Evergreen KMS support, it doesn't include
any acceleration features or interrupt handling yet.
Major changes are DCE4 handling for PLLs for the > 2 crtcs.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c90f8d3..c224c1d 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -182,7 +182,16 @@
uint32_t reg;
/* first check CRTCs */
- if (ASIC_IS_AVIVO(rdev)) {
+ 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 (reg & EVERGREEN_CRTC_MASTER_EN)
+ return true;
+ } else if (ASIC_IS_AVIVO(rdev)) {
reg = RREG32(AVIVO_D1CRTC_CONTROL) |
RREG32(AVIVO_D2CRTC_CONTROL);
if (reg & AVIVO_CRTC_EN) {
@@ -310,7 +319,7 @@
rdev->mc_rreg = &rs600_mc_rreg;
rdev->mc_wreg = &rs600_mc_wreg;
}
- if (rdev->family >= CHIP_R600) {
+ if ((rdev->family >= CHIP_R600) && (rdev->family <= CHIP_RV740)) {
rdev->pciep_rreg = &r600_pciep_rreg;
rdev->pciep_wreg = &r600_pciep_wreg;
}
@@ -387,6 +396,13 @@
case CHIP_RV740:
rdev->asic = &rv770_asic;
break;
+ case CHIP_CEDAR:
+ case CHIP_REDWOOD:
+ case CHIP_JUNIPER:
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ rdev->asic = &evergreen_asic;
+ break;
default:
/* FIXME: not supported yet */
return -EINVAL;