From 80562f2b77bfff224cb469ef475912222e5d8a9c Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 5 Jun 2017 01:54:52 +0100 Subject: [PATCH] ac/gpu: add code to detect if kernel supports sync objects. Reviewed-by: Bas Nieuwenhuizen Signed-off-by: Dave Airlie --- src/amd/common/ac_gpu_info.c | 9 +++++++++ src/amd/common/ac_gpu_info.h | 1 + 2 files changed, 10 insertions(+) diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c index ced7183..929dfd2 100644 --- a/src/amd/common/ac_gpu_info.c +++ b/src/amd/common/ac_gpu_info.c @@ -84,6 +84,14 @@ static unsigned cik_get_num_tile_pipes(struct amdgpu_gpu_info *info) } } +static bool has_syncobj(int fd) +{ + uint64_t value; + if (drmGetCap(fd, DRM_CAP_SYNCOBJ, &value)) + return false; + return value ? true : false; +} + bool ac_query_gpu_info(int fd, amdgpu_device_handle dev, struct radeon_info *info, struct amdgpu_gpu_info *amdinfo) @@ -258,6 +266,7 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev, info->vce_fw_version = vce.available_rings ? vce_version : 0; info->has_userptr = true; + info->has_syncobj = has_syncobj(fd); info->num_render_backends = amdinfo->rb_pipes; info->clock_crystal_freq = amdinfo->gpu_counter_freq; if (!info->clock_crystal_freq) { diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h index 72a8506..20907c2 100644 --- a/src/amd/common/ac_gpu_info.h +++ b/src/amd/common/ac_gpu_info.h @@ -76,6 +76,7 @@ struct radeon_info { uint32_t drm_minor; uint32_t drm_patchlevel; bool has_userptr; + bool has_syncobj; /* Shader cores. */ uint32_t r600_max_quad_pipes; /* wave size / 16 */ -- 2.7.4