radv: Return VK_ERROR_INCOMPATIBLE_DRIVER for unsupported devices

VK_ERROR_INITIALIZATION_FAILED will fail physical device enumeration.
Returning VK_ERROR_INCOMPATIBLE_DRIVER means that the driver can still
be used on supported GPUs when multiple GPUs are installed.

cc: mesa-stable

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34783>

src/amd/common/ac_gpu_info.c

@@ -513,8 +513,9 @@ static void handle_env_var_force_family(struct radeon_info *info)
    exit(1);
 }
 
-bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
-                       bool require_pci_bus_info)
+enum ac_query_gpu_info_result
+ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
+                  bool require_pci_bus_info)
 {
    struct amdgpu_gpu_info amdinfo;
    struct drm_amdgpu_info_device device_info = {0};
@@ -538,7 +539,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
 
    if (!ac_query_pci_bus_info(fd, info)) {
       if (require_pci_bus_info)
-         return false;
+         return AC_QUERY_GPU_INFO_FAIL;
    }
 
    assert(info->drm_major == 3);
@@ -548,27 +549,27 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
       fprintf(stderr, "amdgpu: DRM version is %u.%u.%u, but this driver is "
                       "only compatible with 3.42.0 (kernel 5.15+) or later.\n",
               info->drm_major, info->drm_minor, info->drm_patchlevel);
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    uint64_t cap;
    r = drmGetCap(fd, DRM_CAP_SYNCOBJ, &cap);
    if (r != 0 || cap == 0) {
       fprintf(stderr, "amdgpu: syncobj support is missing but is required.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    /* Query hardware and driver information. */
    r = ac_drm_query_gpu_info(dev, &amdinfo);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_gpu_info failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    r = ac_drm_query_info(dev, AMDGPU_INFO_DEV_INFO, sizeof(device_info), &device_info);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_info(dev_info) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    info->userq_ip_mask = device_info.userq_ip_mask;
@@ -650,35 +651,35 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
    /* Only require gfx or compute. */
    if (!info->ip[AMD_IP_GFX].num_queues && !info->ip[AMD_IP_COMPUTE].num_queues) {
       fprintf(stderr, "amdgpu: failed to find gfx or compute.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_ME, 0, 0, &info->me_fw_version,
                                      &info->me_fw_feature);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(me) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_MEC, 0, 0, &info->mec_fw_version,
                                      &info->mec_fw_feature);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(mec) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_PFP, 0, 0, &info->pfp_fw_version,
                                      &info->pfp_fw_feature);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(pfp) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    if (info->ip[AMD_IP_VCN_DEC].num_queues || info->ip[AMD_IP_VCN_UNIFIED].num_queues) {
       r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_VCN, 0, 0, &vidip_fw_version, &vidip_fw_feature);
       if (r) {
          fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(vcn) failed.\n");
-         return false;
+         return AC_QUERY_GPU_INFO_FAIL;
       } else {
          info->vcn_dec_version = (vidip_fw_version & 0x0F000000) >> 24;
          info->vcn_enc_major_version = (vidip_fw_version & 0x00F00000) >> 20;
@@ -689,7 +690,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
          r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_VCE, 0, 0, &vidip_fw_version, &vidip_fw_feature);
          if (r) {
             fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(vce) failed.\n");
-            return false;
+            return AC_QUERY_GPU_INFO_FAIL;
          } else
             info->vce_fw_version = vidip_fw_version;
       }
@@ -698,7 +699,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
          r = ac_drm_query_firmware_version(dev, AMDGPU_INFO_FW_UVD, 0, 0, &vidip_fw_version, &vidip_fw_feature);
          if (r) {
             fprintf(stderr, "amdgpu: ac_drm_query_firmware_version(uvd) failed.\n");
-            return false;
+            return AC_QUERY_GPU_INFO_FAIL;
          } else
             info->uvd_fw_version = vidip_fw_version;
       }
@@ -707,7 +708,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
    r = ac_drm_query_sw_info(dev, amdgpu_sw_info_address32_hi, &info->address32_hi);
    if (r) {
       fprintf(stderr, "amdgpu: amdgpu_query_sw_info(address32_hi) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    struct drm_amdgpu_memory_info meminfo = {0};
@@ -715,7 +716,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
    r = ac_drm_query_info(dev, AMDGPU_INFO_MEMORY, sizeof(meminfo), &meminfo);
    if (r) {
       fprintf(stderr, "amdgpu: ac_drm_query_info(memory) failed.\n");
-      return false;
+      return AC_QUERY_GPU_INFO_FAIL;
    }
 
    /* Note: usable_heap_size values can be random and can't be relied on. */
@@ -854,7 +855,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
       else {
          fprintf(stderr, "amdgpu: Unknown gfx version: %u.%u\n",
                  info->ip[AMD_IP_GFX].ver_major, info->ip[AMD_IP_GFX].ver_minor);
-         return false;
+         return AC_QUERY_GPU_INFO_UNIMPLEMENTED_HW;
       }
 
       info->family_id = device_info.family;
@@ -869,7 +870,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
    if (!info->name) {
       fprintf(stderr, "amdgpu: unknown (family_id, chip_external_rev): (%u, %u)\n",
               device_info.family, device_info.external_rev);
-      return false;
+      return AC_QUERY_GPU_INFO_UNIMPLEMENTED_HW;
    }
 
    memset(info->lowercase_name, 0, sizeof(info->lowercase_name));
@@ -1703,7 +1704,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
       r = ac_drm_query_uq_fw_area_info(dev, AMDGPU_HW_IP_GFX, 0, &fw_info);
       if (r) {
          fprintf(stderr, "amdgpu: amdgpu_query_uq_fw_area_info() failed.\n");
-         return false;
+         return AC_QUERY_GPU_INFO_FAIL;
       }
 
       info->has_fw_based_shadowing = true;
@@ -1848,7 +1849,7 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
          exit(0);
       }
    }
-   return true;
+   return AC_QUERY_GPU_INFO_SUCCESS;
 }
 
 void ac_compute_driver_uuid(char *uuid, size_t size)

src/amd/common/ac_gpu_info.h

@@ -338,8 +338,14 @@ struct radeon_info {
    bool has_image_bvh_intersect_ray;
 };
 
-bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
-                       bool require_pci_bus_info);
+enum ac_query_gpu_info_result {
+   AC_QUERY_GPU_INFO_SUCCESS,
+   AC_QUERY_GPU_INFO_FAIL,
+   AC_QUERY_GPU_INFO_UNIMPLEMENTED_HW,
+};
+
+enum ac_query_gpu_info_result ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
+                                                bool require_pci_bus_info);
 
 void ac_compute_driver_uuid(char *uuid, size_t size);
 

src/amd/vulkan/radv_physical_device.c

@@ -2071,19 +2071,23 @@ radv_physical_device_try_create(struct radv_instance *instance, drmDevicePtr drm
 
 #ifdef _WIN32
    pdev->ws = radv_null_winsys_create();
+   if (!pdev->ws)
+      result = VK_ERROR_OUT_OF_HOST_MEMORY;
 #else
    if (drm_device) {
       bool reserve_vmid = instance->vk.trace_mode & RADV_TRACE_MODE_RGP;
 
-      pdev->ws =
-         radv_amdgpu_winsys_create(fd, instance->debug_flags, instance->perftest_flags, reserve_vmid, is_virtio);
+      result = radv_amdgpu_winsys_create(fd, instance->debug_flags, instance->perftest_flags, reserve_vmid, is_virtio,
+                                         &pdev->ws);
    } else {
       pdev->ws = radv_null_winsys_create();
+      if (!pdev->ws)
+         result = VK_ERROR_OUT_OF_HOST_MEMORY;
    }
 #endif
 
-   if (!pdev->ws) {
-      result = vk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED, "failed to initialize winsys");
+   if (result != VK_SUCCESS) {
+      result = vk_errorf(instance, result, "failed to initialize winsys");
       goto fail_base;
    }
 

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.c

@@ -22,31 +22,6 @@
 #include "vk_drm_syncobj.h"
 #include "xf86drm.h"
 
-static bool
-do_winsys_init(struct radv_amdgpu_winsys *ws, int fd)
-{
-   if (!ac_query_gpu_info(fd, ws->dev, &ws->info, true))
-      return false;
-
-   /*
-    * Override the max submits on video queues.
-    * If you submit multiple session contexts in the same IB sequence the
-    * hardware gets upset as it expects a kernel fence to be emitted to reset
-    * the session context in the hardware.
-    * Avoid this problem by never submitted more than one IB at a time.
-    * This possibly should be fixed in the kernel, and if it is this can be
-    * resolved.
-    */
-   for (enum amd_ip_type ip_type = AMD_IP_UVD; ip_type <= AMD_IP_VCN_ENC; ip_type++)
-      ws->info.max_submitted_ibs[ip_type] = 1;
-
-   ws->info.ip[AMD_IP_SDMA].num_queues = MIN2(ws->info.ip[AMD_IP_SDMA].num_queues, MAX_RINGS_PER_TYPE);
-   ws->info.ip[AMD_IP_COMPUTE].num_queues = MIN2(ws->info.ip[AMD_IP_COMPUTE].num_queues, MAX_RINGS_PER_TYPE);
-
-   ws->use_ib_bos = true;
-   return true;
-}
-
 static void
 radv_amdgpu_winsys_query_info(struct radeon_winsys *rws, struct radeon_info *gpu_info)
 {
@@ -195,9 +170,12 @@ radv_amdgpu_winsys_get_sync_types(struct radeon_winsys *rws)
    return ws->sync_types;
 }
 
-struct radeon_winsys *
-radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags, bool reserve_vmid, bool is_virtio)
+VkResult
+radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags, bool reserve_vmid, bool is_virtio,
+                          struct radeon_winsys **winsys)
 {
+   VkResult result = VK_SUCCESS;
+
    uint32_t drm_major, drm_minor, r;
    ac_drm_device *dev;
    struct radv_amdgpu_winsys *ws = NULL;
@@ -205,7 +183,7 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
    r = ac_drm_device_initialize(fd, is_virtio, &drm_major, &drm_minor, &dev);
    if (r) {
       fprintf(stderr, "radv/amdgpu: failed to initialize device.\n");
-      return NULL;
+      return VK_ERROR_INITIALIZATION_FAILED;
    }
 
    /* We have to keep this lock till insertion. */
@@ -214,6 +192,7 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
       winsyses = _mesa_pointer_hash_table_create(NULL);
    if (!winsyses) {
       fprintf(stderr, "radv/amdgpu: failed to alloc winsys hash table.\n");
+      result = VK_ERROR_OUT_OF_HOST_MEMORY;
       goto fail;
    }
 
@@ -232,19 +211,22 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
           ((debug_flags & RADV_DEBUG_HANG) && !ws->debug_log_bos) ||
           ((debug_flags & RADV_DEBUG_NO_IBS) && ws->use_ib_bos) || (perftest_flags != ws->perftest)) {
          fprintf(stderr, "radv/amdgpu: Found options that differ from the existing winsys.\n");
-         return NULL;
+         return VK_ERROR_INITIALIZATION_FAILED;
       }
 
       /* RADV_DEBUG_ZERO_VRAM is the only option that is allowed to be set again. */
       if (debug_flags & RADV_DEBUG_ZERO_VRAM)
          ws->zero_all_vram_allocs = true;
 
-      return &ws->base;
+      *winsys = &ws->base;
+      return VK_SUCCESS;
    }
 
    ws = calloc(1, sizeof(struct radv_amdgpu_winsys));
-   if (!ws)
+   if (!ws) {
+      result = VK_ERROR_OUT_OF_HOST_MEMORY;
       goto fail;
+   }
 
    ws->refcount = 1;
    ws->dev = dev;
@@ -252,8 +234,29 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
    ws->info.drm_major = drm_major;
    ws->info.drm_minor = drm_minor;
    ws->info.is_virtio = is_virtio;
-   if (!do_winsys_init(ws, fd))
+
+   enum ac_query_gpu_info_result info_result = ac_query_gpu_info(fd, ws->dev, &ws->info, true);
+   if (info_result != AC_QUERY_GPU_INFO_SUCCESS) {
+      result = info_result == AC_QUERY_GPU_INFO_FAIL ? VK_ERROR_INITIALIZATION_FAILED : VK_ERROR_INCOMPATIBLE_DRIVER;
       goto winsys_fail;
+   }
+
+   /*
+    * Override the max submits on video queues.
+    * If you submit multiple session contexts in the same IB sequence the
+    * hardware gets upset as it expects a kernel fence to be emitted to reset
+    * the session context in the hardware.
+    * Avoid this problem by never submitted more than one IB at a time.
+    * This possibly should be fixed in the kernel, and if it is this can be
+    * resolved.
+    */
+   for (enum amd_ip_type ip_type = AMD_IP_UVD; ip_type <= AMD_IP_VCN_ENC; ip_type++)
+      ws->info.max_submitted_ibs[ip_type] = 1;
+
+   ws->info.ip[AMD_IP_SDMA].num_queues = MIN2(ws->info.ip[AMD_IP_SDMA].num_queues, MAX_RINGS_PER_TYPE);
+   ws->info.ip[AMD_IP_COMPUTE].num_queues = MIN2(ws->info.ip[AMD_IP_COMPUTE].num_queues, MAX_RINGS_PER_TYPE);
+
+   ws->use_ib_bos = true;
 
    ws->debug_all_bos = !!(debug_flags & RADV_DEBUG_ALL_BOS);
    ws->debug_log_bos = debug_flags & RADV_DEBUG_HANG;
@@ -265,6 +268,7 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
       r = ac_drm_vm_reserve_vmid(ws->dev, 0);
       if (r) {
          fprintf(stderr, "radv/amdgpu: failed to reserve vmid.\n");
+         result = VK_ERROR_INITIALIZATION_FAILED;
          goto winsys_fail;
       }
    }
@@ -311,7 +315,9 @@ radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
    _mesa_hash_table_insert(winsyses, (void *)ac_drm_device_get_cookie(dev), ws);
    simple_mtx_unlock(&winsys_creation_mutex);
 
-   return &ws->base;
+   *winsys = &ws->base;
+
+   return result;
 
 winsys_fail:
    free(ws);
@@ -322,5 +328,5 @@ fail:
    }
    simple_mtx_unlock(&winsys_creation_mutex);
    ac_drm_device_deinitialize(dev);
-   return NULL;
+   return result;
 }

src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys_public.h

@@ -12,8 +12,8 @@
 #ifndef RADV_AMDGPU_WINSYS_PUBLIC_H
 #define RADV_AMDGPU_WINSYS_PUBLIC_H
 
-struct radeon_winsys *radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags,
-                                                bool reserve_vmid, bool is_virtio);
+VkResult radv_amdgpu_winsys_create(int fd, uint64_t debug_flags, uint64_t perftest_flags, bool reserve_vmid,
+                                   bool is_virtio, struct radeon_winsys **winsys);
 
 struct radeon_winsys *radv_dummy_winsys_create(void);
 

src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c

@@ -36,7 +36,7 @@ static bool do_winsys_init(struct amdgpu_winsys *aws,
                            const struct pipe_screen_config *config,
                            int fd)
 {
-   if (!ac_query_gpu_info(fd, aws->dev, &aws->info, false))
+   if (ac_query_gpu_info(fd, aws->dev, &aws->info, false) != AC_QUERY_GPU_INFO_SUCCESS)
       goto fail;
 
    aws->addrlib = ac_addrlib_create(&aws->info, &aws->info.max_alignment);