From c2fc8068663cb1ecebded73e7fe456ed2e2f32f8 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 30 Sep 2014 09:25:32 -0400 Subject: [PATCH] drm/radeon/si: print full CS when we hit a packet 0 We should never have a packet 0 in the command stream. Dump the full command stream to help debug. bug: https://bugs.freedesktop.org/show_bug.cgi?id=84500 Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/si.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 6bce408..423a8cd 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -4684,7 +4684,7 @@ static int si_vm_packet3_compute_check(struct radeon_device *rdev, int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib) { int ret = 0; - u32 idx = 0; + u32 idx = 0, i; struct radeon_cs_packet pkt; do { @@ -4695,6 +4695,12 @@ int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib) switch (pkt.type) { case RADEON_PACKET_TYPE0: dev_err(rdev->dev, "Packet0 not allowed!\n"); + for (i = 0; i < ib->length_dw; i++) { + if (i == idx) + printk("\t0x%08x <---\n", ib->ptr[i]); + else + printk("\t0x%08x\n", ib->ptr[i]); + } ret = -EINVAL; break; case RADEON_PACKET_TYPE2: -- 1.8.3.1