Mesa (master): radv: don't report error with other vendor DRM devices

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Module: Mesa
Branch: master
Commit: 8d993c9d2c23d70d48248c9a8f8bc2855e12b18f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8d993c9d2c23d70d48248c9a8f8bc2855e12b18f

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Wed Apr 29 13:23:22 2020 +0200

radv: don't report error with other vendor DRM devices

Enumeration should just skip unsupported DRM devices.

Cc: <mesa-stable at lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4806>

---

 src/amd/vulkan/radv_device.c | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index a28440e5fe3..6fd80ad16a0 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -746,7 +746,7 @@ radv_enumerate_physical_devices(struct radv_instance *instance)
 {
 	/* TODO: Check for more devices ? */
 	drmDevicePtr devices[8];
-	VkResult result = VK_ERROR_INCOMPATIBLE_DRIVER;
+	VkResult result = VK_SUCCESS;
 	int max_devices;
 
 	instance->physicalDeviceCount = 0;
@@ -770,7 +770,7 @@ radv_enumerate_physical_devices(struct radv_instance *instance)
 		radv_logi("Found %d drm nodes", max_devices);
 
 	if (max_devices < 1)
-		return vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
+		return vk_error(instance, VK_SUCCESS);
 
 	for (unsigned i = 0; i < (unsigned)max_devices; i++) {
 		if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
@@ -781,14 +781,22 @@ radv_enumerate_physical_devices(struct radv_instance *instance)
 			                                   instance->physicalDeviceCount,
 			                                   instance,
 			                                   devices[i]);
-			if (result == VK_SUCCESS)
-				++instance->physicalDeviceCount;
-			else if (result != VK_ERROR_INCOMPATIBLE_DRIVER)
+			/* Incompatible DRM device, skip. */
+			if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
+				result = VK_SUCCESS;
+				continue;
+			}
+
+			/* Error creating the physical device, report the error. */
+			if (result != VK_SUCCESS)
 				break;
+
+			++instance->physicalDeviceCount;
 		}
 	}
 	drmFreeDevices(devices, max_devices);
 
+	/* If we successfully enumerated any devices, call it success */
 	return result;
 }
 
@@ -802,8 +810,7 @@ VkResult radv_EnumeratePhysicalDevices(
 
 	if (instance->physicalDeviceCount < 0) {
 		result = radv_enumerate_physical_devices(instance);
-		if (result != VK_SUCCESS &&
-		    result != VK_ERROR_INCOMPATIBLE_DRIVER)
+		if (result != VK_SUCCESS)
 			return result;
 	}
 
@@ -829,8 +836,7 @@ VkResult radv_EnumeratePhysicalDeviceGroups(
 
 	if (instance->physicalDeviceCount < 0) {
 		result = radv_enumerate_physical_devices(instance);
-		if (result != VK_SUCCESS &&
-		    result != VK_ERROR_INCOMPATIBLE_DRIVER)
+		if (result != VK_SUCCESS)
 			return result;
 	}