summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/r600.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c50
1 files changed, 34 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 3c69f58e46ef..e8bf0ea2dade 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -968,7 +968,6 @@ static int r600_pcie_gart_enable(struct radeon_device *rdev)
r = radeon_gart_table_vram_pin(rdev);
if (r)
return r;
- radeon_gart_restore(rdev);
/* Setup L2 cache */
WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
@@ -1339,7 +1338,7 @@ int r600_vram_scratch_init(struct radeon_device *rdev)
if (rdev->vram_scratch.robj == NULL) {
r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
- NULL, &rdev->vram_scratch.robj);
+ 0, NULL, &rdev->vram_scratch.robj);
if (r) {
return r;
}
@@ -2548,7 +2547,7 @@ int r600_cp_start(struct radeon_device *rdev)
radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0);
- radeon_ring_unlock_commit(rdev, ring);
+ radeon_ring_unlock_commit(rdev, ring, false);
cp_me = 0xff;
WREG32(R_0086D8_CP_ME_CNTL, cp_me);
@@ -2684,7 +2683,7 @@ int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
radeon_ring_write(ring, 0xDEADBEEF);
- radeon_ring_unlock_commit(rdev, ring);
+ radeon_ring_unlock_commit(rdev, ring, false);
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF)
@@ -2754,6 +2753,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev,
}
}
+/**
+ * r600_semaphore_ring_emit - emit a semaphore on the CP ring
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon ring buffer object
+ * @semaphore: radeon semaphore object
+ * @emit_wait: Is this a sempahore wait?
+ *
+ * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
+ * from running ahead of semaphore waits.
+ */
bool r600_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_ring *ring,
struct radeon_semaphore *semaphore,
@@ -2769,6 +2779,13 @@ bool r600_semaphore_ring_emit(struct radeon_device *rdev,
radeon_ring_write(ring, lower_32_bits(addr));
radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
+ /* PFP_SYNC_ME packet only exists on 7xx+ */
+ if (emit_wait && (rdev->family >= CHIP_RV770)) {
+ /* Prevent the PFP from running ahead of the semaphore wait */
+ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+ radeon_ring_write(ring, 0x0);
+ }
+
return true;
}
@@ -2846,7 +2863,7 @@ int r600_copy_cpdma(struct radeon_device *rdev,
return r;
}
- radeon_ring_unlock_commit(rdev, ring);
+ radeon_ring_unlock_commit(rdev, ring, false);
radeon_semaphore_free(rdev, &sem, *fence);
return r;
@@ -3166,7 +3183,7 @@ int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
ib.ptr[2] = 0xDEADBEEF;
ib.length_dw = 3;
- r = radeon_ib_schedule(rdev, &ib, NULL);
+ r = radeon_ib_schedule(rdev, &ib, NULL, false);
if (r) {
DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
goto free_ib;
@@ -3227,7 +3244,7 @@ int r600_ih_ring_alloc(struct radeon_device *rdev)
if (rdev->ih.ring_obj == NULL) {
r = radeon_bo_create(rdev, rdev->ih.ring_size,
PAGE_SIZE, true,
- RADEON_GEM_DOMAIN_GTT,
+ RADEON_GEM_DOMAIN_GTT, 0,
NULL, &rdev->ih.ring_obj);
if (r) {
DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
@@ -3924,11 +3941,13 @@ restart_ih:
break;
case 9: /* D1 pflip */
DRM_DEBUG("IH: D1 flip\n");
- radeon_crtc_handle_flip(rdev, 0);
+ if (radeon_use_pflipirq > 0)
+ radeon_crtc_handle_flip(rdev, 0);
break;
case 11: /* D2 pflip */
DRM_DEBUG("IH: D2 flip\n");
- radeon_crtc_handle_flip(rdev, 1);
+ if (radeon_use_pflipirq > 0)
+ radeon_crtc_handle_flip(rdev, 1);
break;
case 19: /* HPD/DAC hotplug */
switch (src_data) {
@@ -4089,16 +4108,15 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev)
}
/**
- * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
+ * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
* rdev: radeon device structure
- * bo: buffer object struct which userspace is waiting for idle
*
- * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
- * through ring buffer, this leads to corruption in rendering, see
- * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
- * directly perform HDP flush by writing register through MMIO.
+ * Some R6XX/R7XX don't seem to take into account HDP flushes performed
+ * through the ring buffer. This leads to corruption in rendering, see
+ * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
+ * directly perform the HDP flush by writing the register through MMIO.
*/
-void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
+void r600_mmio_hdp_flush(struct radeon_device *rdev)
{
/* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
* rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
OpenPOWER on IntegriCloud