amd: Add detection of timeline semaphore support.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5600>

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index 4054e1506a9ceeab95608e7a48d7a46ec2377c68..797de243b407eb2c481049cd09bd1bc1c90615c8 100644 (file)
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -93,6 +93,14 @@ static bool has_syncobj(int fd)
        return value ? true : false;
 }
 
+static bool has_timeline_syncobj(int fd)
+{
+       uint64_t value;
+       if (drmGetCap(fd, DRM_CAP_SYNCOBJ_TIMELINE, &value))
+               return false;
+       return value ? true : false;
+}
+
 static uint64_t fix_vram_size(uint64_t size)
 {
        /* The VRAM size is underreported, so we need to fix it, because
@@ -478,6 +486,7 @@ bool ac_query_gpu_info(int fd, void *dev_p,
                uvd_enc.available_rings ? true : false;
        info->has_userptr = true;
        info->has_syncobj = has_syncobj(fd);
+       info->has_timeline_syncobj = has_timeline_syncobj(fd);
        info->has_syncobj_wait_for_submit = info->has_syncobj && info->drm_minor >= 20;
        info->has_fence_to_handle = info->has_syncobj && info->drm_minor >= 21;
        info->has_ctx_priority = info->drm_minor >= 22;
@@ -923,6 +932,7 @@ void ac_print_gpu_info(struct radeon_info *info)
        printf("    has_userptr = %i\n", info->has_userptr);
        printf("    has_syncobj = %u\n", info->has_syncobj);
        printf("    has_syncobj_wait_for_submit = %u\n", info->has_syncobj_wait_for_submit);
+       printf("    has_timeline_syncobj = %u\n", info->has_timeline_syncobj);
        printf("    has_fence_to_handle = %u\n", info->has_fence_to_handle);
        printf("    has_ctx_priority = %u\n", info->has_ctx_priority);
        printf("    has_local_buffers = %u\n", info->has_local_buffers);

diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h
index 4b2c35c466cb8ed6cca88e49bb2131f6d00ce9c0..70e53f16cb403cda05b1fc76fe69802a592f9c12 100644 (file)
--- a/src/amd/common/ac_gpu_info.h
+++ b/src/amd/common/ac_gpu_info.h
@@ -134,6 +134,7 @@ struct radeon_info {
        bool                        has_userptr;
        bool                        has_syncobj;
        bool                        has_syncobj_wait_for_submit;
+       bool                        has_timeline_syncobj;
        bool                        has_fence_to_handle;
        bool                        has_ctx_priority;
        bool                        has_local_buffers;