From 7f4237c6dad7c959615b896d3c6c728c37943f4d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 9 Jan 2014 10:59:56 -0500 Subject: [PATCH] Revert "drm/radeon: disable CIK CP semaphores for now" This reverts commit 99b4f25122f43210278cde17a9d100906235a074. Semaphores work fine after further review and testing. Cc: 3.13 # 3.13 --- drivers/gpu/drm/radeon/cik.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index e7f6334..dc6d5f5 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3566,8 +3566,6 @@ 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; @@ -3576,9 +3574,6 @@ 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 } /** -- 2.7.4