summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/r600.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
committerDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
commit4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch)
treedcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /drivers/gpu/drm/radeon/r600.c
parent204663c48711ddceee09df46269cd34d49d1f7be (diff)
parent989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff)
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c6a37e036f11..f95ca5b44396 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -881,12 +881,15 @@ void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
u32 tmp;
/* flush hdp cache so updates hit vram */
- if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) {
+ if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+ !(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
u32 tmp;
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
* rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
+ * This seems to cause problems on some AGP cards. Just use the old
+ * method for them.
*/
WREG32(HDP_DEBUG1, 0);
tmp = readl((void __iomem *)ptr);
@@ -1342,13 +1345,19 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
u32 srbm_status;
u32 grbm_status;
u32 grbm_status2;
+ struct r100_gpu_lockup *lockup;
int r;
+ if (rdev->family >= CHIP_RV770)
+ lockup = &rdev->config.rv770.lockup;
+ else
+ lockup = &rdev->config.r600.lockup;
+
srbm_status = RREG32(R_000E50_SRBM_STATUS);
grbm_status = RREG32(R_008010_GRBM_STATUS);
grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
if (!G_008010_GUI_ACTIVE(grbm_status)) {
- r100_gpu_lockup_update(&rdev->config.r300.lockup, &rdev->cp);
+ r100_gpu_lockup_update(lockup, &rdev->cp);
return false;
}
/* force CP activities */
@@ -1360,7 +1369,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev)
radeon_ring_unlock_commit(rdev);
}
rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
- return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, &rdev->cp);
+ return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
}
int r600_asic_reset(struct radeon_device *rdev)
@@ -3508,10 +3517,12 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev)
void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
{
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
- * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
+ * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
+ * This seems to cause problems on some AGP cards. Just use the old
+ * method for them.
*/
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
- rdev->vram_scratch.ptr) {
+ rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
u32 tmp;