radv: Allow non-dedicated linear images and buffer.

Requested for virtualized Vulkan as they need to export memory to
map it.

Since radeonsi and the kernel assume an image without metadata is
linear, this should work just fine.

Reviewed-by: Chia-I Wu <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3583>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3583>

2 files changed, 13 insertions, 6 deletions

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 0a2e3836eef..890225f7b9f 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -4876,7 +4876,8 @@ bool radv_get_memory_fd(struct radv_device *device,
 	struct radeon_bo_metadata metadata;
 
 	if (memory->image) {
-		radv_init_metadata(device, memory->image, &metadata);
+		if (memory->image->tiling != VK_IMAGE_TILING_LINEAR)
+			radv_init_metadata(device, memory->image, &metadata);
 		device->ws->buffer_set_metadata(memory->bo, &metadata);
 	}
 
@@ -5164,13 +5165,12 @@ void radv_GetBufferMemoryRequirements2(
 {
 	radv_GetBufferMemoryRequirements(device, pInfo->buffer,
                                         &pMemoryRequirements->memoryRequirements);
-	RADV_FROM_HANDLE(radv_buffer, buffer, pInfo->buffer);
 	vk_foreach_struct(ext, pMemoryRequirements->pNext) {
 		switch (ext->sType) {
 		case VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS: {
 			VkMemoryDedicatedRequirements *req =
 			               (VkMemoryDedicatedRequirements *) ext;
-			req->requiresDedicatedAllocation = buffer->shareable;
+			req->requiresDedicatedAllocation = false;
 			req->prefersDedicatedAllocation = req->requiresDedicatedAllocation;
 			break;
 		}
@@ -5209,7 +5209,8 @@ void radv_GetImageMemoryRequirements2(
 		case VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS: {
 			VkMemoryDedicatedRequirements *req =
 			               (VkMemoryDedicatedRequirements *) ext;
-			req->requiresDedicatedAllocation = image->shareable;
+			req->requiresDedicatedAllocation = image->shareable &&
+			                                   image->tiling != VK_IMAGE_TILING_LINEAR;
 			req->prefersDedicatedAllocation = req->requiresDedicatedAllocation;
 			break;
 		}
diff --git a/src/amd/vulkan/radv_formats.c b/src/amd/vulkan/radv_formats.c
index 67a9cb7bfe0..a790459c900 100644
--- a/src/amd/vulkan/radv_formats.c
+++ b/src/amd/vulkan/radv_formats.c
@@ -1323,7 +1323,10 @@ get_external_image_format_properties(struct radv_physical_device *physical_devic
 	case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
 		switch (pImageFormatInfo->type) {
 		case VK_IMAGE_TYPE_2D:
-			flags = VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT|VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT|VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT;
+			flags = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT|VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT;
+			if (pImageFormatInfo->tiling != VK_IMAGE_TILING_LINEAR)
+				flags |= VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT;
+
 			compat_flags = export_flags = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
 						      VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
 			break;
@@ -1346,7 +1349,10 @@ get_external_image_format_properties(struct radv_physical_device *physical_devic
 		format_properties->maxArrayLayers = MIN2(1, format_properties->maxArrayLayers);
 		format_properties->sampleCounts &= VK_SAMPLE_COUNT_1_BIT;
 
-		flags = VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT|VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT|VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT;
+		flags = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT|VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT;
+		if (pImageFormatInfo->tiling != VK_IMAGE_TILING_LINEAR)
+			flags |= VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT;
+
 		compat_flags = VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID;
 		break;
 	case VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT: