From 99b4f25122f43210278cde17a9d100906235a074 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Tue, 12 Nov 2013 12:58:06 +0100 Subject: [PATCH] drm/radeon: disable CIK CP semaphores for now MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Christian König Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/cik.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 811fc1b5b4b9..c1698978a8f1 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3561,6 +3561,8 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev, struct radeon_semaphore *semaphore, bool emit_wait) { +/* TODO: figure out why semaphore cause lockups */ +#if 0 uint64_t addr = semaphore->gpu_addr; unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; @@ -3569,6 +3571,9 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev, radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel); return true; +#else + return false; +#endif } /** -- 2.20.1