diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c index 38de336d39d..0ab8ee285c3 100644 --- a/src/amd/vulkan/radv_device.c +++ b/src/amd/vulkan/radv_device.c @@ -5180,8 +5180,20 @@ radv_alloc_memory(struct radv_device *device, const VkMemoryAllocateInfo *pAlloc vk_object_base_init(&device->vk, &mem->base, VK_OBJECT_TYPE_DEVICE_MEMORY); - if (wsi_info && wsi_info->implicit_sync) - flags |= RADEON_FLAG_IMPLICIT_SYNC; + if (wsi_info) { + if(wsi_info->implicit_sync) + flags |= RADEON_FLAG_IMPLICIT_SYNC; + + /* In case of prime, linear buffer is allocated in default heap which is VRAM. + * Due to this when display is connected to iGPU and render on dGPU, ddx + * function amdgpu_present_check_flip() fails due to which there is blit + * instead of flip. Setting the flag RADEON_FLAG_GTT_WC allows kernel to + * allocate GTT memory in supported hardware where GTT can be directly scanout. + * Using wsi_info variable check to set the flag RADEON_FLAG_GTT_WC so that + * only for memory allocated by driver this flag is set. + */ + flags |= RADEON_FLAG_GTT_WC; + } if (dedicate_info) { mem->image = radv_image_from_handle(dedicate_info->image);