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v3dv: implement VK_EXT_physical_device_drm

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Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9320>
This commit is contained in:
Andreas Bergmeier 2021-02-28 18:52:36 +00:00 • committed by Marge Bot
parent 8413c57a3f
commit d6dd13a62e
3 changed files with 68 additions and 3 deletions
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2
docs/features.txt
View file

@ -535,7 +535,7 @@ Khronos extensions that are not part of any Vulkan version:
VK_EXT_memory_priority DONE (radv)
VK_EXT_multi_draw DONE (anv, lvp, radv)
VK_EXT_pci_bus_info DONE (anv, radv)
VK_EXT_physical_device_drm DONE (anv, radv)
VK_EXT_physical_device_drm DONE (anv, radv, v3dv)
VK_EXT_pipeline_creation_cache_control DONE (anv, radv)
VK_EXT_pipeline_creation_feedback DONE (anv, radv)
VK_EXT_post_depth_coverage DONE (anv/gfx10+, lvp, radv)

60
src/broadcom/vulkan/v3dv_device.c
View file

@ -30,6 +30,13 @@
#include <unistd.h>
#include <xf86drm.h>
#ifdef MAJOR_IN_MKDEV
#include <sys/mkdev.h>
#endif
#ifdef MAJOR_IN_SYSMACROS
#include <sys/sysmacros.h>
#endif
#include "v3dv_private.h"
#include "common/v3d_debug.h"
@ -133,6 +140,7 @@ get_device_extensions(const struct v3dv_physical_device *device,
.KHR_variable_pointers = true,
.EXT_external_memory_dma_buf = true,
.EXT_index_type_uint8 = true,
.EXT_physical_device_drm = true,
.EXT_private_data = true,
};
}
@ -697,17 +705,50 @@ physical_device_init(struct v3dv_physical_device *device,
* we postpone that until a swapchain is created.
*/
const char *primary_path;
#if !using_v3d_simulator
if (drm_primary_device)
primary_path = drm_primary_device->nodes[DRM_NODE_PRIMARY];
else
primary_path = NULL;
#else
primary_path = drm_render_device->nodes[DRM_NODE_PRIMARY];
#endif
struct stat primary_stat = {0}, render_stat = {0};
device->has_primary = primary_path;
if (device->has_primary) {
if (stat(primary_path, &primary_stat) != 0) {
result = vk_errorf(instance,
VK_ERROR_INITIALIZATION_FAILED,
"failed to stat DRM primary node %s",
primary_path);
goto fail;
}
device->primary_devid = primary_stat.st_rdev;
}
if (fstat(render_fd, &render_stat) != 0) {
result = vk_errorf(instance,
VK_ERROR_INITIALIZATION_FAILED,
"failed to stat DRM render node %s",
path);
goto fail;
}
device->has_render = true;
device->render_devid = render_stat.st_rdev;
if (instance->vk.enabled_extensions.KHR_display) {
#if !using_v3d_simulator
/* Open the primary node on the vc4 display device */
assert(drm_primary_device);
const char *primary_path = drm_primary_device->nodes[DRM_NODE_PRIMARY];
master_fd = open(primary_path, O_RDWR | O_CLOEXEC);
#else
/* There is only one device with primary and render nodes.
* Open its primary node.
*/
const char *primary_path = drm_render_device->nodes[DRM_NODE_PRIMARY];
master_fd = open(primary_path, O_RDWR | O_CLOEXEC);
#endif
}
@ -1353,6 +1394,21 @@ v3dv_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice,
id_props->deviceLUIDValid = false;
break;
}
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRM_PROPERTIES_EXT: {
VkPhysicalDeviceDrmPropertiesEXT *props =
(VkPhysicalDeviceDrmPropertiesEXT *)ext;
props->hasPrimary = pdevice->has_primary;
if (props->hasPrimary) {
props->primaryMajor = (int64_t) major(pdevice->primary_devid);
props->primaryMinor = (int64_t) minor(pdevice->primary_devid);
}
props->hasRender = pdevice->has_render;
if (props->hasRender) {
props->renderMajor = (int64_t) major(pdevice->render_devid);
props->renderMinor = (int64_t) minor(pdevice->render_devid);
}
break;
}
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MAINTENANCE_3_PROPERTIES: {
VkPhysicalDeviceMaintenance3Properties *props =
(VkPhysicalDeviceMaintenance3Properties *)ext;

9
src/broadcom/vulkan/v3dv_private.h
View file

@ -118,6 +118,15 @@ struct v3dv_physical_device {
int32_t display_fd;
int32_t master_fd;
/* We need these because it is not clear how to detect
* valid devids in a portable way
*/
bool has_primary;
bool has_render;
dev_t primary_devid;
dev_t render_devid;
uint8_t driver_build_sha1[20];
uint8_t pipeline_cache_uuid[VK_UUID_SIZE];
uint8_t device_uuid[VK_UUID_SIZE];