This is a note to let you know that I've just added the patch titled
drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-add-radeon_info_va_unmap_working-query.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3bc980bf19bb62007e923691fa2869ba113be895 Mon Sep 17 00:00:00 2001
From: Michel Dänzer <michel.daenzer@xxxxxxx>
Date: Tue, 16 Jun 2015 17:28:16 +0900
Subject: drm/radeon: Add RADEON_INFO_VA_UNMAP_WORKING query
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From: Michel Dänzer <michel.daenzer@xxxxxxx>
commit 3bc980bf19bb62007e923691fa2869ba113be895 upstream.
This tells userspace that it's safe to use the RADEON_VA_UNMAP operation
of the DRM_RADEON_GEM_VA ioctl.
Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx>
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_kms.c | 3 +++
include/uapi/drm/radeon_drm.h | 1 +
2 files changed, 4 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -547,6 +547,9 @@ static int radeon_info_ioctl(struct drm_
else
*value = 1;
break;
+ case RADEON_INFO_VA_UNMAP_WORKING:
+ *value = true;
+ break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
return -EINVAL;
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -1034,6 +1034,7 @@ struct drm_radeon_cs {
#define RADEON_INFO_VRAM_USAGE 0x1e
#define RADEON_INFO_GTT_USAGE 0x1f
#define RADEON_INFO_ACTIVE_CU_COUNT 0x20
+#define RADEON_INFO_VA_UNMAP_WORKING 0x25
struct drm_radeon_info {
uint32_t request;
Patches currently in stable-queue which might be from michel.daenzer@xxxxxxx are
queue-4.0/drm-radeon-add-radeon_info_va_unmap_working-query.patch
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