Older firmware didn't support the new nop packet.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/cik.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 44d25da..80a7ce0 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -8259,6 +8259,7 @@ restart_ih:
static int cik_startup(struct radeon_device *rdev)
{
struct radeon_ring *ring;
+ u32 nop;
int r;
/* enable pcie gen2/3 link */
@@ -8392,9 +8393,18 @@ static int cik_startup(struct radeon_device *rdev)
}
cik_irq_set(rdev);
+ if (rdev->family == CHIP_HAWAII) {
+ if (rdev->new_fw)
+ nop = PACKET3(PACKET3_NOP, 0x3FFF);
+ else
+ nop = RADEON_CP_PACKET2;
+ } else {
+ nop = PACKET3(PACKET3_NOP, 0x3FFF);
+ }
+
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
- PACKET3(PACKET3_NOP, 0x3FFF));
+ nop);
if (r)
return r;
@@ -8402,7 +8412,7 @@ static int cik_startup(struct radeon_device *rdev)
/* type-2 packets are deprecated on MEC, use type-3 instead */
ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
- PACKET3(PACKET3_NOP, 0x3FFF));
+ nop);
if (r)
return r;
ring->me = 1; /* first MEC */
@@ -8413,7 +8423,7 @@ static int cik_startup(struct radeon_device *rdev)
/* type-2 packets are deprecated on MEC, use type-3 instead */
ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
- PACKET3(PACKET3_NOP, 0x3FFF));
+ nop);
if (r)
return r;
/* dGPU only have 1 MEC */
--
1.8.3.1
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