Looks good :

Reviewed-by: Lionel Landwerlin <[email protected]>


On 18/10/2018 16:13, Jason Ekstrand wrote:
This lets us avoid passing the DRM fd around all over the place and gets
us closer to layer utopia.
---
  src/amd/vulkan/radv_wsi.c           |  3 --
  src/amd/vulkan/radv_wsi_x11.c       |  4 +--
  src/intel/vulkan/anv_wsi.c          |  4 +--
  src/intel/vulkan/anv_wsi_x11.c      |  4 +--
  src/vulkan/wsi/wsi_common.c         | 45 +++++++++++++++++++++++++----
  src/vulkan/wsi/wsi_common.h         |  5 ++--
  src/vulkan/wsi/wsi_common_display.c | 22 +-------------
  src/vulkan/wsi/wsi_common_private.h |  6 ++--
  src/vulkan/wsi/wsi_common_wayland.c |  3 --
  src/vulkan/wsi/wsi_common_x11.c     | 34 +++++++---------------
  src/vulkan/wsi/wsi_common_x11.h     |  1 -
  11 files changed, 61 insertions(+), 70 deletions(-)

diff --git a/src/amd/vulkan/radv_wsi.c b/src/amd/vulkan/radv_wsi.c
index 43103a4ef85..346fb43d675 100644
--- a/src/amd/vulkan/radv_wsi.c
+++ b/src/amd/vulkan/radv_wsi.c
@@ -72,7 +72,6 @@ VkResult radv_GetPhysicalDeviceSurfaceSupportKHR(
        RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
return wsi_common_get_surface_support(&device->wsi_device,
-                                             device->local_fd,
                                              queueFamilyIndex,
                                              surface,
                                              pSupported);
@@ -171,7 +170,6 @@ VkResult radv_CreateSwapchainKHR(
return wsi_common_create_swapchain(&device->physical_device->wsi_device,
                                           radv_device_to_handle(device),
-                                          device->physical_device->local_fd,
                                           pCreateInfo,
                                           alloc,
                                           pSwapchain);
@@ -294,7 +292,6 @@ VkResult radv_GetPhysicalDevicePresentRectanglesKHR(
        RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
return wsi_common_get_present_rectangles(&device->wsi_device,
-                                                device->local_fd,
                                                 surface,
                                                 pRectCount, pRects);
  }
diff --git a/src/amd/vulkan/radv_wsi_x11.c b/src/amd/vulkan/radv_wsi_x11.c
index 9ef02ccc435..f3ebc791e2d 100644
--- a/src/amd/vulkan/radv_wsi_x11.c
+++ b/src/amd/vulkan/radv_wsi_x11.c
@@ -45,7 +45,7 @@ VkBool32 radv_GetPhysicalDeviceXcbPresentationSupportKHR(
     return wsi_get_physical_device_xcb_presentation_support(
        &device->wsi_device,
        queueFamilyIndex,
-      device->local_fd, true,
+      true,
        connection, visual_id);
  }
@@ -60,7 +60,7 @@ VkBool32 radv_GetPhysicalDeviceXlibPresentationSupportKHR(
     return wsi_get_physical_device_xcb_presentation_support(
        &device->wsi_device,
        queueFamilyIndex,
-      device->local_fd, true,
+      true,
        XGetXCBConnection(dpy), visualID);
  }
diff --git a/src/intel/vulkan/anv_wsi.c b/src/intel/vulkan/anv_wsi.c
index 5d672c211c4..024bc1c245d 100644
--- a/src/intel/vulkan/anv_wsi.c
+++ b/src/intel/vulkan/anv_wsi.c
@@ -89,7 +89,6 @@ VkResult anv_GetPhysicalDeviceSurfaceSupportKHR(
     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
return wsi_common_get_surface_support(&device->wsi_device,
-                                         device->local_fd,
                                           queueFamilyIndex,
                                           surface,
                                           pSupported);
@@ -183,7 +182,7 @@ VkResult anv_CreateSwapchainKHR(
     else
       alloc = &device->alloc;
- return wsi_common_create_swapchain(wsi_device, _device, device->fd,
+   return wsi_common_create_swapchain(wsi_device, _device,
                                        pCreateInfo, alloc, pSwapchain);
  }
@@ -303,7 +302,6 @@ VkResult anv_GetPhysicalDevicePresentRectanglesKHR(
     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
return wsi_common_get_present_rectangles(&device->wsi_device,
-                                            device->local_fd,
                                              surface,
                                              pRectCount, pRects);
  }
diff --git a/src/intel/vulkan/anv_wsi_x11.c b/src/intel/vulkan/anv_wsi_x11.c
index 45c43f6f17f..bfa76e88e79 100644
--- a/src/intel/vulkan/anv_wsi_x11.c
+++ b/src/intel/vulkan/anv_wsi_x11.c
@@ -41,7 +41,7 @@ VkBool32 anv_GetPhysicalDeviceXcbPresentationSupportKHR(
     return wsi_get_physical_device_xcb_presentation_support(
        &device->wsi_device,
        queueFamilyIndex,
-      device->local_fd, false,
+      false,
        connection, visual_id);
  }
@@ -56,7 +56,7 @@ VkBool32 anv_GetPhysicalDeviceXlibPresentationSupportKHR(
     return wsi_get_physical_device_xcb_presentation_support(
        &device->wsi_device,
        queueFamilyIndex,
-      device->local_fd, false,
+      false,
        XGetXCBConnection(dpy), visualID);
  }
diff --git a/src/vulkan/wsi/wsi_common.c b/src/vulkan/wsi/wsi_common.c
index ad4b8c9075e..51d8655a5a9 100644
--- a/src/vulkan/wsi/wsi_common.c
+++ b/src/vulkan/wsi/wsi_common.c
@@ -27,6 +27,7 @@
  #include "vk_util.h"
#include <unistd.h>
+#include <xf86drm.h>
VkResult
  wsi_device_init(struct wsi_device *wsi,
@@ -44,10 +45,19 @@ wsi_device_init(struct wsi_device *wsi,
#define WSI_GET_CB(func) \
     PFN_vk##func func = (PFN_vk##func)proc_addr(pdevice, "vk" #func)
+   WSI_GET_CB(GetPhysicalDeviceProperties2);
     WSI_GET_CB(GetPhysicalDeviceMemoryProperties);
     WSI_GET_CB(GetPhysicalDeviceQueueFamilyProperties);
  #undef WSI_GET_CB
+ wsi->pci_bus_info.sType =
+      VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PCI_BUS_INFO_PROPERTIES_EXT;
+   VkPhysicalDeviceProperties2 pdp2 = {
+      .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
+      .pNext = &wsi->pci_bus_info,
+   };
+   GetPhysicalDeviceProperties2(pdevice, &pdp2);
+
     GetPhysicalDeviceMemoryProperties(pdevice, &wsi->memory_props);
     GetPhysicalDeviceQueueFamilyProperties(pdevice, &wsi->queue_family_count, 
NULL);
@@ -121,6 +131,32 @@ wsi_device_finish(struct wsi_device *wsi,
  #endif
  }
+bool
+wsi_device_matches_drm_fd(const struct wsi_device *wsi, int drm_fd)
+{
+   drmDevicePtr fd_device;
+   int ret = drmGetDevice(drm_fd, &fd_device);
+   if (ret)
+      return false;
+
+   bool match = false;
+   switch (fd_device->bustype) {
+   case DRM_BUS_PCI:
+      match = wsi->pci_bus_info.pciDomain == fd_device->businfo.pci->domain &&
+              wsi->pci_bus_info.pciBus == fd_device->businfo.pci->bus &&
+              wsi->pci_bus_info.pciDevice == fd_device->businfo.pci->dev &&
+              wsi->pci_bus_info.pciFunction == fd_device->businfo.pci->func;
+      break;
+
+   default:
+      break;
+   }
+
+   drmFreeDevice(&fd_device);
+
+   return match;
+}
+
  VkResult
  wsi_swapchain_init(const struct wsi_device *wsi,
                     struct wsi_swapchain *chain,
@@ -675,7 +711,6 @@ wsi_destroy_image(const struct wsi_swapchain *chain,
VkResult
  wsi_common_get_surface_support(struct wsi_device *wsi_device,
-                               int local_fd,
                                 uint32_t queueFamilyIndex,
                                 VkSurfaceKHR _surface,
                                 VkBool32* pSupported)
@@ -684,7 +719,7 @@ wsi_common_get_surface_support(struct wsi_device 
*wsi_device,
     struct wsi_interface *iface = wsi_device->wsi[surface->platform];
return iface->get_support(surface, wsi_device,
-                             queueFamilyIndex, local_fd, pSupported);
+                             queueFamilyIndex, pSupported);
  }
VkResult
@@ -805,7 +840,6 @@ wsi_common_get_surface_present_modes(struct wsi_device 
*wsi_device,
VkResult
  wsi_common_get_present_rectangles(struct wsi_device *wsi_device,
-                                  int local_fd,
                                    VkSurfaceKHR _surface,
                                    uint32_t* pRectCount,
                                    VkRect2D* pRects)
@@ -813,14 +847,13 @@ wsi_common_get_present_rectangles(struct wsi_device 
*wsi_device,
     ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
     struct wsi_interface *iface = wsi_device->wsi[surface->platform];
- return iface->get_present_rectangles(surface, wsi_device, local_fd,
+   return iface->get_present_rectangles(surface, wsi_device,
                                          pRectCount, pRects);
  }
VkResult
  wsi_common_create_swapchain(struct wsi_device *wsi,
                              VkDevice device,
-                            int fd,
                              const VkSwapchainCreateInfoKHR *pCreateInfo,
                              const VkAllocationCallbacks *pAllocator,
                              VkSwapchainKHR *pSwapchain)
@@ -829,7 +862,7 @@ wsi_common_create_swapchain(struct wsi_device *wsi,
     struct wsi_interface *iface = wsi->wsi[surface->platform];
     struct wsi_swapchain *swapchain;
- VkResult result = iface->create_swapchain(surface, device, wsi, fd,
+   VkResult result = iface->create_swapchain(surface, device, wsi,
                                               pCreateInfo, pAllocator,
                                               &swapchain);
     if (result != VK_SUCCESS)
diff --git a/src/vulkan/wsi/wsi_common.h b/src/vulkan/wsi/wsi_common.h
index 5b69c573d9e..f6ca013c2a8 100644
--- a/src/vulkan/wsi/wsi_common.h
+++ b/src/vulkan/wsi/wsi_common.h
@@ -97,6 +97,8 @@ struct wsi_device {
     VkPhysicalDeviceMemoryProperties memory_props;
     uint32_t queue_family_count;
+ VkPhysicalDevicePCIBusInfoPropertiesEXT pci_bus_info;
+
     bool supports_modifiers;
     uint64_t (*image_get_modifier)(VkImage image);
@@ -166,7 +168,6 @@ ICD_DEFINE_NONDISP_HANDLE_CASTS(VkIcdSurfaceBase, VkSurfaceKHR) VkResult
  wsi_common_get_surface_support(struct wsi_device *wsi_device,
-                               int local_fd,
                                 uint32_t queueFamilyIndex,
                                 VkSurfaceKHR surface,
                                 VkBool32* pSupported);
@@ -201,7 +202,6 @@ wsi_common_get_surface_present_modes(struct wsi_device 
*wsi_device,
VkResult
  wsi_common_get_present_rectangles(struct wsi_device *wsi,
-                                  int local_fd,
                                    VkSurfaceKHR surface,
                                    uint32_t* pRectCount,
                                    VkRect2D* pRects);
@@ -226,7 +226,6 @@ wsi_common_acquire_next_image2(const struct wsi_device *wsi,
  VkResult
  wsi_common_create_swapchain(struct wsi_device *wsi,
                              VkDevice device,
-                            int fd,
                              const VkSwapchainCreateInfoKHR *pCreateInfo,
                              const VkAllocationCallbacks *pAllocator,
                              VkSwapchainKHR *pSwapchain);
diff --git a/src/vulkan/wsi/wsi_common_display.c 
b/src/vulkan/wsi/wsi_common_display.c
index 2315717ef8e..fd0d30ad80c 100644
--- a/src/vulkan/wsi/wsi_common_display.c
+++ b/src/vulkan/wsi/wsi_common_display.c
@@ -803,7 +803,6 @@ static VkResult
  wsi_display_surface_get_support(VkIcdSurfaceBase *surface,
                                  struct wsi_device *wsi_device,
                                  uint32_t queueFamilyIndex,
-                                int local_fd,
                                  VkBool32* pSupported)
  {
     *pSupported = VK_TRUE;
@@ -934,27 +933,9 @@ wsi_display_surface_get_present_modes(VkIcdSurfaceBase 
*surface,
     return vk_outarray_status(&conn);
  }
-static bool
-fds_are_same_gpu(int fd1, int fd2)
-{
-   if (fd1 == -1 || fd2 == -1)
-      return false;
-
-   char *fd1_dev = drmGetRenderDeviceNameFromFd(fd1);
-   char *fd2_dev = drmGetRenderDeviceNameFromFd(fd2);
-
-   int ret = strcmp(fd1_dev, fd2_dev);
-
-   free(fd1_dev);
-   free(fd2_dev);
-
-   return ret == 0;
-}
-
  static VkResult
  wsi_display_surface_get_present_rectangles(VkIcdSurfaceBase *surface_base,
                                             struct wsi_device *wsi_device,
-                                           int local_fd,
                                             uint32_t* pRectCount,
                                             VkRect2D* pRects)
  {
@@ -962,7 +943,7 @@ wsi_display_surface_get_present_rectangles(VkIcdSurfaceBase 
*surface_base,
     wsi_display_mode *mode = 
wsi_display_mode_from_handle(surface->displayMode);
     VK_OUTARRAY_MAKE(out, pRects, pRectCount);
- if (fds_are_same_gpu(local_fd, mode->connector->wsi->fd)) {
+   if (wsi_device_matches_drm_fd(wsi_device, mode->connector->wsi->fd)) {
        vk_outarray_append(&out, rect) {
           *rect = (VkRect2D) {
              .offset = { 0, 0 },
@@ -1730,7 +1711,6 @@ wsi_display_surface_create_swapchain(
     VkIcdSurfaceBase *icd_surface,
     VkDevice device,
     struct wsi_device *wsi_device,
-   int local_fd,
     const VkSwapchainCreateInfoKHR *create_info,
     const VkAllocationCallbacks *allocator,
     struct wsi_swapchain **swapchain_out)
diff --git a/src/vulkan/wsi/wsi_common_private.h 
b/src/vulkan/wsi/wsi_common_private.h
index d8290b69331..50a78acacb0 100644
--- a/src/vulkan/wsi/wsi_common_private.h
+++ b/src/vulkan/wsi/wsi_common_private.h
@@ -69,6 +69,9 @@ struct wsi_swapchain {
                               const VkPresentRegionKHR *damage);
  };
+bool
+wsi_device_matches_drm_fd(const struct wsi_device *wsi, int drm_fd);
+
  VkResult
  wsi_swapchain_init(const struct wsi_device *wsi,
                     struct wsi_swapchain *chain,
@@ -101,7 +104,6 @@ struct wsi_interface {
     VkResult (*get_support)(VkIcdSurfaceBase *surface,
                             struct wsi_device *wsi_device,
                             uint32_t queueFamilyIndex,
-                           int local_fd,
                             VkBool32* pSupported);
     VkResult (*get_capabilities2)(VkIcdSurfaceBase *surface,
                                   const void *info_next,
@@ -120,13 +122,11 @@ struct wsi_interface {
                                   VkPresentModeKHR* pPresentModes);
     VkResult (*get_present_rectangles)(VkIcdSurfaceBase *surface,
                                        struct wsi_device *wsi_device,
-                                      int local_fd,
                                        uint32_t* pRectCount,
                                        VkRect2D* pRects);
     VkResult (*create_swapchain)(VkIcdSurfaceBase *surface,
                                  VkDevice device,
                                  struct wsi_device *wsi_device,
-                                int local_fd,
                                  const VkSwapchainCreateInfoKHR* pCreateInfo,
                                  const VkAllocationCallbacks* pAllocator,
                                  struct wsi_swapchain **swapchain);
diff --git a/src/vulkan/wsi/wsi_common_wayland.c 
b/src/vulkan/wsi/wsi_common_wayland.c
index dccb530dae3..e9cc22ec603 100644
--- a/src/vulkan/wsi/wsi_common_wayland.c
+++ b/src/vulkan/wsi/wsi_common_wayland.c
@@ -465,7 +465,6 @@ static VkResult
  wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
                             struct wsi_device *wsi_device,
                             uint32_t queueFamilyIndex,
-                           int local_fd,
                             VkBool32* pSupported)
  {
     *pSupported = true;
@@ -604,7 +603,6 @@ wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
  static VkResult
  wsi_wl_surface_get_present_rectangles(VkIcdSurfaceBase *surface,
                                        struct wsi_device *wsi_device,
-                                      int local_fd,
                                        uint32_t* pRectCount,
                                        VkRect2D* pRects)
  {
@@ -908,7 +906,6 @@ static VkResult
  wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
                                  VkDevice device,
                                  struct wsi_device *wsi_device,
-                                int local_fd,
                                  const VkSwapchainCreateInfoKHR* pCreateInfo,
                                  const VkAllocationCallbacks* pAllocator,
                                  struct wsi_swapchain **swapchain_out)
diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_x11.c
index 8c621ddf568..16a544ec775 100644
--- a/src/vulkan/wsi/wsi_common_x11.c
+++ b/src/vulkan/wsi/wsi_common_x11.c
@@ -99,29 +99,22 @@ wsi_dri3_open(xcb_connection_t *conn,
  }
static bool
-wsi_x11_check_dri3_compatible(xcb_connection_t *conn, int local_fd)
+wsi_x11_check_dri3_compatible(const struct wsi_device *wsi_dev,
+                              xcb_connection_t *conn)
  {
     xcb_screen_iterator_t screen_iter =
        xcb_setup_roots_iterator(xcb_get_setup(conn));
     xcb_screen_t *screen = screen_iter.data;
int dri3_fd = wsi_dri3_open(conn, screen->root, None);
-   if (dri3_fd != -1) {
-      char *local_dev = drmGetRenderDeviceNameFromFd(local_fd);
-      char *dri3_dev = drmGetRenderDeviceNameFromFd(dri3_fd);
-      int ret;
-
-      close(dri3_fd);
+   if (dri3_fd == -1)
+      return true;
- ret = strcmp(local_dev, dri3_dev);
+   bool match = wsi_device_matches_drm_fd(wsi_dev, dri3_fd);
- free(local_dev);
-      free(dri3_dev);
+   close(dri3_fd);
- if (ret != 0)
-         return false;
-   }
-   return true;
+   return match;
  }
static struct wsi_x11_connection *
@@ -382,7 +375,6 @@ visual_has_alpha(xcb_visualtype_t *visual, unsigned depth)
  VkBool32 wsi_get_physical_device_xcb_presentation_support(
      struct wsi_device *wsi_device,
      uint32_t                                    queueFamilyIndex,
-    int fd,
      bool can_handle_different_gpu,
      xcb_connection_t*                           connection,
      xcb_visualid_t                              visual_id)
@@ -397,7 +389,7 @@ VkBool32 wsi_get_physical_device_xcb_presentation_support(
        return false;
if (!can_handle_different_gpu)
-      if (!wsi_x11_check_dri3_compatible(connection, fd))
+      if (!wsi_x11_check_dri3_compatible(wsi_device, connection))
           return false;
unsigned visual_depth;
@@ -432,7 +424,6 @@ static VkResult
  x11_surface_get_support(VkIcdSurfaceBase *icd_surface,
                          struct wsi_device *wsi_device,
                          uint32_t queueFamilyIndex,
-                        int local_fd,
                          VkBool32* pSupported)
  {
     xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
@@ -601,7 +592,6 @@ x11_surface_get_present_modes(VkIcdSurfaceBase *surface,
static bool
  x11_surface_is_local_to_gpu(struct wsi_device *wsi_dev,
-                            int local_fd,
                              xcb_connection_t *conn)
  {
     struct wsi_x11_connection *wsi_conn =
@@ -613,7 +603,7 @@ x11_surface_is_local_to_gpu(struct wsi_device *wsi_dev,
     if (!wsi_x11_check_for_dri3(wsi_conn))
        return false;
- if (!wsi_x11_check_dri3_compatible(conn, local_fd))
+   if (!wsi_x11_check_dri3_compatible(wsi_dev, conn))
        return false;
return true;
@@ -622,7 +612,6 @@ x11_surface_is_local_to_gpu(struct wsi_device *wsi_dev,
  static VkResult
  x11_surface_get_present_rectangles(VkIcdSurfaceBase *icd_surface,
                                     struct wsi_device *wsi_device,
-                                   int local_fd,
                                     uint32_t* pRectCount,
                                     VkRect2D* pRects)
  {
@@ -630,7 +619,7 @@ x11_surface_get_present_rectangles(VkIcdSurfaceBase 
*icd_surface,
     xcb_window_t window = x11_surface_get_window(icd_surface);
     VK_OUTARRAY_MAKE(out, pRects, pRectCount);
- if (x11_surface_is_local_to_gpu(wsi_device, local_fd, conn)) {
+   if (x11_surface_is_local_to_gpu(wsi_device, conn)) {
        vk_outarray_append(&out, rect) {
           xcb_generic_error_t *err = NULL;
           xcb_get_geometry_cookie_t geom_cookie = xcb_get_geometry(conn, 
window);
@@ -1321,7 +1310,6 @@ static VkResult
  x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
                               VkDevice device,
                               struct wsi_device *wsi_device,
-                             int local_fd,
                               const VkSwapchainCreateInfoKHR *pCreateInfo,
                               const VkAllocationCallbacks* pAllocator,
                               struct wsi_swapchain **swapchain_out)
@@ -1388,7 +1376,7 @@ x11_surface_create_swapchain(VkIcdSurfaceBase 
*icd_surface,
     else
        chain->last_present_mode = XCB_PRESENT_COMPLETE_MODE_COPY;
- if (!wsi_x11_check_dri3_compatible(conn, local_fd))
+   if (!wsi_x11_check_dri3_compatible(wsi_device, conn))
         chain->base.use_prime_blit = true;
chain->event_id = xcb_generate_id(chain->conn);
diff --git a/src/vulkan/wsi/wsi_common_x11.h b/src/vulkan/wsi/wsi_common_x11.h
index e9b3ecfb2e0..99b1bcdc6fd 100644
--- a/src/vulkan/wsi/wsi_common_x11.h
+++ b/src/vulkan/wsi/wsi_common_x11.h
@@ -28,7 +28,6 @@
  VkBool32 wsi_get_physical_device_xcb_presentation_support(
      struct wsi_device *wsi_device,
      uint32_t                                    queueFamilyIndex,
-    int local_fd,
      bool can_handle_different_gpu,
      xcb_connection_t*                           connection,
      xcb_visualid_t                              visual_id);


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