drm/radeon/kms: add support for multiple fence queues v2
For supporting multiple CP ring buffers, async DMA
engines and UVD. We still need a way to synchronize
between engines.
v2 initialize unused fence driver ring to avoid issue in
suspend/unload
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index bfc08f6..d2dced5 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -739,7 +739,7 @@
while (status) {
/* SW interrupt */
if (status & RADEON_SW_INT_TEST) {
- radeon_fence_process(rdev);
+ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
}
/* gui idle interrupt */
if (status & RADEON_GUI_IDLE_STAT) {
@@ -826,7 +826,7 @@
radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
/* Emit fence sequence & fire IRQ */
- radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
+ radeon_ring_write(rdev, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
radeon_ring_write(rdev, fence->seq);
radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
@@ -4048,7 +4048,7 @@
/* initialize VRAM */
r100_mc_init(rdev);
/* Fence driver */
- r = radeon_fence_driver_init(rdev);
+ r = radeon_fence_driver_init(rdev, 1);
if (r)
return r;
r = radeon_irq_kms_init(rdev);