From a17ce9960b3628b9f546c454741a1cad551d5695 Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sun, 13 Jan 2019 09:47:43 +0100
Subject: [PATCH 01/20] drm/rockchip: add missing of_node_put

The device node iterators perform an of_node_get on each iteration, so a
jump out of the loop requires an of_node_put.

The semantic patch that fixes this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@

 for_each_child_of_node(root, child) {
   ... when != of_node_put(child)
       when != e = child
+  of_node_put(child);
?  break;
   ...
}
... when != child
// </smpl>

Fixes: 1f0f01515172 ("drm/rockchip: Add support for Rockchip Soc RGB output interface")
Cc: stable@vger.kernel.org
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
[added fixes and cc-stable]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1547369264-24831-4-git-send-email-Julia.Lawall@lip6.fr
---
 drivers/gpu/drm/rockchip/rockchip_rgb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c
index 96ac1458a59c..37f93022a106 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -113,8 +113,10 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
 		child_count++;
 		ret = drm_of_find_panel_or_bridge(dev->of_node, 0, endpoint_id,
 						  &panel, &bridge);
-		if (!ret)
+		if (!ret) {
+			of_node_put(endpoint);
 			break;
+		}
 	}
 
 	of_node_put(port);

From ba0a64bcf8fc491f73e4646069d97abb4374beb3 Mon Sep 17 00:00:00 2001
From: Colin Xu <colin.xu@intel.com>
Date: Fri, 11 Jan 2019 14:25:54 +0800
Subject: [PATCH 02/20] drm/i915/gvt: Allow F_CMD_ACCESS on mmio 0x21f0

The newly updated guest driver could program 0x21f0 via lri and srm,
without F_CMD_ACCESS flag cmd parser will stop parser reset cmd.
0x21f0 applies to BDW, SKL, KBL, BXT and CFL.

Reviewed-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/gvt/handlers.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index b5475c91e2ef..e9f343b124b0 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -2799,6 +2799,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
 	MMIO_DFH(_MMIO(0xe2a0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(_MMIO(0xe2b0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(_MMIO(0xe2c0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+	MMIO_DFH(_MMIO(0x21f0), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
 	return 0;
 }
 

From f4c34b1e2a37d5676180901fa6ff188bcb6371f8 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 10 Jan 2019 09:17:50 +0100
Subject: [PATCH 03/20] drm/qxl: drop prime import/export callbacks

Also set prime_handle_to_fd and prime_fd_to_handle to NULL,
so drm will not advertive DRM_PRIME_CAP_{IMPORT,EXPORT} to
userspace.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190110081750.11358-1-kraxel@redhat.com
---
 drivers/gpu/drm/qxl/qxl_drv.c   |  4 ----
 drivers/gpu/drm/qxl/qxl_prime.c | 14 --------------
 2 files changed, 18 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index 13c8a662f9b4..ccb090f3ab30 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -250,14 +250,10 @@ static struct drm_driver qxl_driver = {
 #if defined(CONFIG_DEBUG_FS)
 	.debugfs_init = qxl_debugfs_init,
 #endif
-	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
-	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 	.gem_prime_export = drm_gem_prime_export,
 	.gem_prime_import = drm_gem_prime_import,
 	.gem_prime_pin = qxl_gem_prime_pin,
 	.gem_prime_unpin = qxl_gem_prime_unpin,
-	.gem_prime_get_sg_table = qxl_gem_prime_get_sg_table,
-	.gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
 	.gem_prime_vmap = qxl_gem_prime_vmap,
 	.gem_prime_vunmap = qxl_gem_prime_vunmap,
 	.gem_prime_mmap = qxl_gem_prime_mmap,
diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c
index a55dece118b2..df65d3c1a7b8 100644
--- a/drivers/gpu/drm/qxl/qxl_prime.c
+++ b/drivers/gpu/drm/qxl/qxl_prime.c
@@ -38,20 +38,6 @@ void qxl_gem_prime_unpin(struct drm_gem_object *obj)
 	WARN_ONCE(1, "not implemented");
 }
 
-struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
-{
-	WARN_ONCE(1, "not implemented");
-	return ERR_PTR(-ENOSYS);
-}
-
-struct drm_gem_object *qxl_gem_prime_import_sg_table(
-	struct drm_device *dev, struct dma_buf_attachment *attach,
-	struct sg_table *table)
-{
-	WARN_ONCE(1, "not implemented");
-	return ERR_PTR(-ENOSYS);
-}
-
 void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
 {
 	WARN_ONCE(1, "not implemented");

From b318e3ff7ca065d6b107e424c85a63d7a6798a69 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 10 Jan 2019 12:15:45 +0100
Subject: [PATCH 04/20] drm/virtio: drop prime import/export callbacks

Also set prime_handle_to_fd and prime_fd_to_handle to NULL,
so drm will not advertive DRM_PRIME_CAP_{IMPORT,EXPORT} to
userspace.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190110111545.26768-1-kraxel@redhat.com
---
 drivers/gpu/drm/virtio/virtgpu_drv.c   |  4 ----
 drivers/gpu/drm/virtio/virtgpu_drv.h   |  4 ----
 drivers/gpu/drm/virtio/virtgpu_prime.c | 14 --------------
 3 files changed, 22 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c
index f7f32a885af7..2d1aaca49105 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.c
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.c
@@ -127,14 +127,10 @@ static struct drm_driver driver = {
 #if defined(CONFIG_DEBUG_FS)
 	.debugfs_init = virtio_gpu_debugfs_init,
 #endif
-	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
-	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 	.gem_prime_export = drm_gem_prime_export,
 	.gem_prime_import = drm_gem_prime_import,
 	.gem_prime_pin = virtgpu_gem_prime_pin,
 	.gem_prime_unpin = virtgpu_gem_prime_unpin,
-	.gem_prime_get_sg_table = virtgpu_gem_prime_get_sg_table,
-	.gem_prime_import_sg_table = virtgpu_gem_prime_import_sg_table,
 	.gem_prime_vmap = virtgpu_gem_prime_vmap,
 	.gem_prime_vunmap = virtgpu_gem_prime_vunmap,
 	.gem_prime_mmap = virtgpu_gem_prime_mmap,
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 1deb41d42ea4..0c15000f926e 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -372,10 +372,6 @@ int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait);
 /* virtgpu_prime.c */
 int virtgpu_gem_prime_pin(struct drm_gem_object *obj);
 void virtgpu_gem_prime_unpin(struct drm_gem_object *obj);
-struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
-struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
-	struct drm_device *dev, struct dma_buf_attachment *attach,
-	struct sg_table *sgt);
 void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj);
 void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c
index 86ce0ae93f59..c59ec34c80a5 100644
--- a/drivers/gpu/drm/virtio/virtgpu_prime.c
+++ b/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -39,20 +39,6 @@ void virtgpu_gem_prime_unpin(struct drm_gem_object *obj)
 	WARN_ONCE(1, "not implemented");
 }
 
-struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj)
-{
-	WARN_ONCE(1, "not implemented");
-	return ERR_PTR(-ENODEV);
-}
-
-struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
-	struct drm_device *dev, struct dma_buf_attachment *attach,
-	struct sg_table *table)
-{
-	WARN_ONCE(1, "not implemented");
-	return ERR_PTR(-ENODEV);
-}
-
 void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj)
 {
 	struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);

From f672b93e4a0a4947d2e1103ed8780e01e13eadb6 Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sun, 13 Jan 2019 10:44:51 +0100
Subject: [PATCH 05/20] drm/meson: add missing of_node_put

Add an of_node_put when the result of of_graph_get_remote_port_parent is
not available.

An of_node_put is also needed when meson_probe_remote completes.  This was
present at the recursive call, but not in the call from meson_drv_probe.

The semantic match that finds this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@r exists@
local idexpression e;
expression x;
@@
e = of_graph_get_remote_port_parent(...);
... when != x = e
    when != true e == NULL
    when != of_node_put(e)
    when != of_fwnode_handle(e)
(
return e;
|
*return ...;
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1547372691-28324-4-git-send-email-Julia.Lawall@lip6.fr
---
 drivers/gpu/drm/meson/meson_drv.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 3ee4d4a4ecba..b59c7570f4cb 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -388,8 +388,10 @@ static int meson_probe_remote(struct platform_device *pdev,
 		remote_node = of_graph_get_remote_port_parent(ep);
 		if (!remote_node ||
 		    remote_node == parent || /* Ignore parent endpoint */
-		    !of_device_is_available(remote_node))
+		    !of_device_is_available(remote_node)) {
+			of_node_put(remote_node);
 			continue;
+		}
 
 		count += meson_probe_remote(pdev, match, remote, remote_node);
 
@@ -408,10 +410,13 @@ static int meson_drv_probe(struct platform_device *pdev)
 
 	for_each_endpoint_of_node(np, ep) {
 		remote = of_graph_get_remote_port_parent(ep);
-		if (!remote || !of_device_is_available(remote))
+		if (!remote || !of_device_is_available(remote)) {
+			of_node_put(remote);
 			continue;
+		}
 
 		count += meson_probe_remote(pdev, &match, np, remote);
+		of_node_put(remote);
 	}
 
 	if (count && !match)

From d1c234e2cd1091b816c990a1848d88a8697f97b4 Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Wed, 2 Jan 2019 14:52:13 -0500
Subject: [PATCH 06/20] drm/amdkfd: Allow building KFD on ARM64 (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

ifdef x86_64 specific code.
Allow enabling CONFIG_HSA_AMD on ARM64.

v2: Fixed a compiler warning due to an unused variable

CC: Mark Nutter <Mark.Nutter@arm.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Mark Nutter <Mark.Nutter@arm.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/Kconfig        | 4 ++--
 drivers/gpu/drm/amd/amdkfd/kfd_crat.c     | 8 ++++++++
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 9 +++++----
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig
index fbf0ee5201c3..c3613604a4f8 100644
--- a/drivers/gpu/drm/amd/amdkfd/Kconfig
+++ b/drivers/gpu/drm/amd/amdkfd/Kconfig
@@ -4,8 +4,8 @@
 
 config HSA_AMD
 	bool "HSA kernel driver for AMD GPU devices"
-	depends on DRM_AMDGPU && X86_64
-	imply AMD_IOMMU_V2
+	depends on DRM_AMDGPU && (X86_64 || ARM64)
+	imply AMD_IOMMU_V2 if X86_64
 	select MMU_NOTIFIER
 	help
 	  Enable this if you want to use HSA features on AMD GPU devices.
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index b7bc7d7d048f..5d85ff341385 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -863,6 +863,7 @@ static int kfd_fill_mem_info_for_cpu(int numa_node_id, int *avail_size,
 	return 0;
 }
 
+#if CONFIG_X86_64
 static int kfd_fill_iolink_info_for_cpu(int numa_node_id, int *avail_size,
 				uint32_t *num_entries,
 				struct crat_subtype_iolink *sub_type_hdr)
@@ -905,6 +906,7 @@ static int kfd_fill_iolink_info_for_cpu(int numa_node_id, int *avail_size,
 
 	return 0;
 }
+#endif
 
 /* kfd_create_vcrat_image_cpu - Create Virtual CRAT for CPU
  *
@@ -920,7 +922,9 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size)
 	struct crat_subtype_generic *sub_type_hdr;
 	int avail_size = *size;
 	int numa_node_id;
+#ifdef CONFIG_X86_64
 	uint32_t entries = 0;
+#endif
 	int ret = 0;
 
 	if (!pcrat_image || avail_size < VCRAT_SIZE_FOR_CPU)
@@ -982,6 +986,7 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size)
 			sub_type_hdr->length);
 
 		/* Fill in Subtype: IO Link */
+#ifdef CONFIG_X86_64
 		ret = kfd_fill_iolink_info_for_cpu(numa_node_id, &avail_size,
 				&entries,
 				(struct crat_subtype_iolink *)sub_type_hdr);
@@ -992,6 +997,9 @@ static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size)
 
 		sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr +
 				sub_type_hdr->length * entries);
+#else
+		pr_info("IO link not available for non x86 platforms\n");
+#endif
 
 		crat_table->num_domains++;
 	}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 5f5b2acedbac..4734f1a35516 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1392,7 +1392,6 @@ int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev)
 
 static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask)
 {
-	const struct cpuinfo_x86 *cpuinfo;
 	int first_cpu_of_numa_node;
 
 	if (!cpumask || cpumask == cpu_none_mask)
@@ -1400,9 +1399,11 @@ static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask)
 	first_cpu_of_numa_node = cpumask_first(cpumask);
 	if (first_cpu_of_numa_node >= nr_cpu_ids)
 		return -1;
-	cpuinfo = &cpu_data(first_cpu_of_numa_node);
-
-	return cpuinfo->apicid;
+#ifdef CONFIG_X86_64
+	return cpu_data(first_cpu_of_numa_node).apicid;
+#else
+	return first_cpu_of_numa_node;
+#endif
 }
 
 /* kfd_numa_node_to_apic_id - Returns the APIC ID of the first logical processor

From bbdf514fe5648566b0754476cbcb92ac3422dde2 Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Wed, 2 Jan 2019 17:47:39 -0500
Subject: [PATCH 07/20] drm/amdkfd: Don't assign dGPUs to APU topology devices

dGPUs need their own topology devices. Don't assign them to APU topology
devices with CPU cores.

Bug: https://github.com/RadeonOpenCompute/ROCK-Kernel-Driver/issues/66
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Elias Konstantinidis <ekondis@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 4734f1a35516..09da91644f9f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1093,8 +1093,6 @@ static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu)
  *		the GPU device is not already present in the topology device
  *		list then return NULL. This means a new topology device has to
  *		be created for this GPU.
- * TODO: Rather than assiging @gpu to first topology device withtout
- *		gpu attached, it will better to have more stringent check.
  */
 static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu)
 {
@@ -1102,12 +1100,20 @@ static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu)
 	struct kfd_topology_device *out_dev = NULL;
 
 	down_write(&topology_lock);
-	list_for_each_entry(dev, &topology_device_list, list)
+	list_for_each_entry(dev, &topology_device_list, list) {
+		/* Discrete GPUs need their own topology device list
+		 * entries. Don't assign them to CPU/APU nodes.
+		 */
+		if (!gpu->device_info->needs_iommu_device &&
+		    dev->node_props.cpu_cores_count)
+			continue;
+
 		if (!dev->gpu && (dev->node_props.simd_count > 0)) {
 			dev->gpu = gpu;
 			out_dev = dev;
 			break;
 		}
+	}
 	up_write(&topology_lock);
 	return out_dev;
 }

From a29b01a1313d20a6d45c0f25858f31701cee625d Mon Sep 17 00:00:00 2001
From: Kenneth Feng <kenneth.feng@amd.com>
Date: Wed, 9 Jan 2019 14:39:48 +0800
Subject: [PATCH 08/20] drm/amd/powerplay: run acg btc for Vega12

acg btc was added to Vega12

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c    | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 54364444ecd1..0c8212902275 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -753,6 +753,22 @@ static int vega12_init_smc_table(struct pp_hwmgr *hwmgr)
 	return 0;
 }
 
+static int vega12_run_acg_btc(struct pp_hwmgr *hwmgr)
+{
+	uint32_t result;
+
+	PP_ASSERT_WITH_CODE(
+		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc) == 0,
+		"[Run_ACG_BTC] Attempt to run ACG BTC failed!",
+		return -EINVAL);
+
+	result = smum_get_argument(hwmgr);
+	PP_ASSERT_WITH_CODE(result == 1,
+			"Failed to run ACG BTC!", return -EINVAL);
+
+	return 0;
+}
+
 static int vega12_set_allowed_featuresmask(struct pp_hwmgr *hwmgr)
 {
 	struct vega12_hwmgr *data =
@@ -931,6 +947,11 @@ static int vega12_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 			"Failed to initialize SMC table!",
 			result = tmp_result);
 
+	tmp_result = vega12_run_acg_btc(hwmgr);
+	PP_ASSERT_WITH_CODE(!tmp_result,
+			"Failed to run ACG BTC!",
+			result = tmp_result);
+
 	result = vega12_enable_all_smu_features(hwmgr);
 	PP_ASSERT_WITH_CODE(!result,
 			"Failed to enable all smu features!",

From 099139bef026faefebc508ddb77d397cf55f1b15 Mon Sep 17 00:00:00 2001
From: Josip Pavic <Josip.Pavic@amd.com>
Date: Tue, 11 Dec 2018 15:13:08 -0500
Subject: [PATCH 09/20] drm/amd/display: Pack DMCU iRAM alignment

[Why]
When the DMCU's iRAM definition was moved to the newly created
power_helpers, a #pragma pack was lost, causing the iRAM to be misaligned

[How]
Restore the #pragma pack

Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index 00f63b7dd32f..c11a443dcbc8 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -57,6 +57,7 @@ static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_le
 #define NUM_POWER_FN_SEGS 8
 #define NUM_BL_CURVE_SEGS 16
 
+#pragma pack(push, 1)
 /* NOTE: iRAM is 256B in size */
 struct iram_table_v_2 {
 	/* flags                      */
@@ -100,6 +101,7 @@ struct iram_table_v_2 {
 	uint8_t dummy8;							/* 0xfe       */
 	uint8_t dummy9;							/* 0xff       */
 };
+#pragma pack(pop)
 
 static uint16_t backlight_8_to_16(unsigned int backlight_8bit)
 {

From dddce8b490051018f8d5d1457af47483064c7e09 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Thu, 10 Jan 2019 15:12:48 -0500
Subject: [PATCH 10/20] drm/amd/display: Only get the connector state for VRR
 when toggled

[Why]
This fixes a stuttering issue that occurs when moving a hardware cursor
when VRR is enabled.

Previously when VRR is enabled atomic check will grab the connector
state for every atomic update. This has to lock the connector in order
to do so. The locking is bad enough by itself for performance, but
it gets worse with what we do just below that - add all the planes
for the CRTC to the commit.

This prevents the cursor fast path from working - there's more than one
plane now. With state->allow_modeset = true on top of this, it also
adds and removes all the planes from the DC context triggering a full
(very slow) update in DC.

[How]
We need the connector state to get the VRR min/max capbilities, but we
only need them when there's a CRTC mode change or when VRR is toggled.

The condition has been updated accordingly.

Fixes: 3cc22f281318 ("drm/amdgpu: Set FreeSync state using drm VRR properties")

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 34f35e9a3c46..903dbafc144d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5933,7 +5933,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 		if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
 		    !new_crtc_state->color_mgmt_changed &&
-		    !new_crtc_state->vrr_enabled)
+		    old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled)
 			continue;
 
 		if (!new_crtc_state->enable)

From 20300db4aec5ba5edf6f0ad6f7111a51fbea7e10 Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Wed, 12 Dec 2018 18:09:16 -0500
Subject: [PATCH 11/20] drm/amd/display: fix PME notification not working in RV
 desktop

[Why]
PPLIB not receive the PME when unplug.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 4bf24758217f..8f09b8625c5d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1000,7 +1000,7 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
 
 		pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);
 
-		if (num_audio == 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
+		if (num_audio >= 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
 			/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
 			pp_smu->set_pme_wa_enable(&pp_smu->pp_smu);
 		/* un-mute audio */
@@ -1017,6 +1017,8 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
 	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
 			pipe_ctx->stream_res.stream_enc, true);
 	if (pipe_ctx->stream_res.audio) {
+		struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu;
+
 		if (option != KEEP_ACQUIRED_RESOURCE ||
 				!dc->debug.az_endpoint_mute_only) {
 			/*only disalbe az_endpoint if power down or free*/
@@ -1036,6 +1038,9 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
 			update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false);
 			pipe_ctx->stream_res.audio = NULL;
 		}
+		if (pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
+			/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
+			pp_smu->set_pme_wa_enable(&pp_smu->pp_smu);
 
 		/* TODO: notify audio driver for if audio modes list changed
 		 * add audio mode list change flag */

From f5c412ac596fbe1508514257fef3d48e263f40a7 Mon Sep 17 00:00:00 2001
From: Roman Li <Roman.Li@amd.com>
Date: Wed, 19 Dec 2018 09:24:06 -0500
Subject: [PATCH 12/20] drm/amd/display: fix warning on raven hotplug

[Why]
Hotplug on raven results in REG_WAIT_TIMEOUT warning
due to failing attempt to lock disabled otg for the hubp
interdependent pipes programming.

[How]
Don't setup pipe interdependencies for disabled otg.
Also removed the unnecessary duplicate logic checks.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 .../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 91e015e14355..58a12ddf12f3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2355,30 +2355,23 @@ static void dcn10_apply_ctx_for_surface(
 			top_pipe_to_program->plane_state->update_flags.bits.full_update)
 		for (i = 0; i < dc->res_pool->pipe_count; i++) {
 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
-
+			tg = pipe_ctx->stream_res.tg;
 			/* Skip inactive pipes and ones already updated */
 			if (!pipe_ctx->stream || pipe_ctx->stream == stream
-					|| !pipe_ctx->plane_state)
+					|| !pipe_ctx->plane_state
+					|| !tg->funcs->is_tg_enabled(tg))
 				continue;
 
-			pipe_ctx->stream_res.tg->funcs->lock(pipe_ctx->stream_res.tg);
+			tg->funcs->lock(tg);
 
 			pipe_ctx->plane_res.hubp->funcs->hubp_setup_interdependent(
 				pipe_ctx->plane_res.hubp,
 				&pipe_ctx->dlg_regs,
 				&pipe_ctx->ttu_regs);
+
+			tg->funcs->unlock(tg);
 		}
 
-	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
-
-		if (!pipe_ctx->stream || pipe_ctx->stream == stream
-				|| !pipe_ctx->plane_state)
-			continue;
-
-		dcn10_pipe_control_lock(dc, pipe_ctx, false);
-	}
-
 	if (num_planes == 0)
 		false_optc_underflow_wa(dc, stream, tg);
 

From ae1cf20df7a9c60ff5ef41c3315c33c1a5fafd77 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Tue, 11 Dec 2018 12:35:56 -0500
Subject: [PATCH 13/20] drm/amd/display: Fix disabled cursor on top screen edge

[Why]
The cursor vanishes when touching the top of edge of the screen for
Raven on Linux.

This occurs because the cursor height is not taken into account when
deciding to disable the cursor.

[How]
Factor in the cursor height into the cursor calculations - and mimic
the existing x position calculations.

Fixes: 94a4ffd1d40b ("drm/amd/display: fix PIP bugs on Dal3")

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c  | 2 +-
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index dcb3c5530236..cd1ebe57ed59 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -463,7 +463,7 @@ void dpp1_set_cursor_position(
 	if (src_y_offset >= (int)param->viewport.height)
 		cur_en = 0;  /* not visible beyond bottom edge*/
 
-	if (src_y_offset < 0)
+	if (src_y_offset + (int)height <= 0)
 		cur_en = 0;  /* not visible beyond top edge*/
 
 	REG_UPDATE(CURSOR0_CONTROL,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 345af015d061..d1acd7165bc8 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -1140,7 +1140,7 @@ void hubp1_cursor_set_position(
 	if (src_y_offset >= (int)param->viewport.height)
 		cur_en = 0;  /* not visible beyond bottom edge*/
 
-	if (src_y_offset < 0) //+ (int)hubp->curs_attr.height
+	if (src_y_offset + (int)hubp->curs_attr.height <= 0)
 		cur_en = 0;  /* not visible beyond top edge*/
 
 	if (cur_en && REG_READ(CURSOR_SURFACE_ADDRESS) == 0)

From 6c2d0f9976ad19eca6d03dad5d726f8eff848b70 Mon Sep 17 00:00:00 2001
From: Hang Yuan <hang.yuan@linux.intel.com>
Date: Mon, 14 Jan 2019 18:43:39 +0800
Subject: [PATCH 14/20] drm/i915/gvt: free VFIO region space in vgpu detach

VFIO region space is allocated when one region is registered for
one vgpu. So free the space when destroy the vgpu.

Also change the parameter of detach_vgpu callback to use vgpu directly.

Fixes: b851adeac0858c7d257b3 ("drm/i915/gvt: Add opregion support")
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/gvt/hypercall.h |  2 +-
 drivers/gpu/drm/i915/gvt/kvmgt.c     | 16 ++++++++++++++--
 drivers/gpu/drm/i915/gvt/mpt.h       |  2 +-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h
index 5af11cf1b482..e1675a00df12 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/drivers/gpu/drm/i915/gvt/hypercall.h
@@ -41,7 +41,7 @@ struct intel_gvt_mpt {
 	int (*host_init)(struct device *dev, void *gvt, const void *ops);
 	void (*host_exit)(struct device *dev, void *gvt);
 	int (*attach_vgpu)(void *vgpu, unsigned long *handle);
-	void (*detach_vgpu)(unsigned long handle);
+	void (*detach_vgpu)(void *vgpu);
 	int (*inject_msi)(unsigned long handle, u32 addr, u16 data);
 	unsigned long (*from_virt_to_mfn)(void *p);
 	int (*enable_page_track)(unsigned long handle, u64 gfn);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index c1072143da1d..a3ee6b7c3cfc 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1662,9 +1662,21 @@ static int kvmgt_attach_vgpu(void *vgpu, unsigned long *handle)
 	return 0;
 }
 
-static void kvmgt_detach_vgpu(unsigned long handle)
+static void kvmgt_detach_vgpu(void *p_vgpu)
 {
-	/* nothing to do here */
+	int i;
+	struct intel_vgpu *vgpu = (struct intel_vgpu *)p_vgpu;
+
+	if (!vgpu->vdev.region)
+		return;
+
+	for (i = 0; i < vgpu->vdev.num_regions; i++)
+		if (vgpu->vdev.region[i].ops->release)
+			vgpu->vdev.region[i].ops->release(vgpu,
+					&vgpu->vdev.region[i]);
+	vgpu->vdev.num_regions = 0;
+	kfree(vgpu->vdev.region);
+	vgpu->vdev.region = NULL;
 }
 
 static int kvmgt_inject_msi(unsigned long handle, u32 addr, u16 data)
diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h
index 67f19992b226..3ed34123d8d1 100644
--- a/drivers/gpu/drm/i915/gvt/mpt.h
+++ b/drivers/gpu/drm/i915/gvt/mpt.h
@@ -101,7 +101,7 @@ static inline void intel_gvt_hypervisor_detach_vgpu(struct intel_vgpu *vgpu)
 	if (!intel_gvt_host.mpt->detach_vgpu)
 		return;
 
-	intel_gvt_host.mpt->detach_vgpu(vgpu->handle);
+	intel_gvt_host.mpt->detach_vgpu(vgpu);
 }
 
 #define MSI_CAP_CONTROL(offset) (offset + 2)

From 51b00d8509dc69c98740da2ad07308b630d3eb7d Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Fri, 11 Jan 2019 13:58:53 +0800
Subject: [PATCH 15/20] drm/i915/gvt: Fix mmap range check

This is to fix missed mmap range check on vGPU bar2 region
and only allow to map vGPU allocated GMADDR range, which means
user space should support sparse mmap to get proper offset for
mmap vGPU aperture. And this takes care of actual pgoff in mmap
request as original code always does from beginning of vGPU
aperture.

Fixes: 659643f7d814 ("drm/i915/gvt/kvmgt: add vfio/mdev support to KVMGT")
Cc: "Monroy, Rodrigo Axel" <rodrigo.axel.monroy@intel.com>
Cc: "Orrala Contreras, Alfredo" <alfredo.orrala.contreras@intel.com>
Cc: stable@vger.kernel.org # v4.10+
Reviewed-by: Hang Yuan <hang.yuan@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
 drivers/gpu/drm/i915/gvt/kvmgt.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index a3ee6b7c3cfc..dd3dfd00f4e6 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -996,7 +996,7 @@ static int intel_vgpu_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
 {
 	unsigned int index;
 	u64 virtaddr;
-	unsigned long req_size, pgoff = 0;
+	unsigned long req_size, pgoff, req_start;
 	pgprot_t pg_prot;
 	struct intel_vgpu *vgpu = mdev_get_drvdata(mdev);
 
@@ -1014,7 +1014,17 @@ static int intel_vgpu_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
 	pg_prot = vma->vm_page_prot;
 	virtaddr = vma->vm_start;
 	req_size = vma->vm_end - vma->vm_start;
-	pgoff = vgpu_aperture_pa_base(vgpu) >> PAGE_SHIFT;
+	pgoff = vma->vm_pgoff &
+		((1U << (VFIO_PCI_OFFSET_SHIFT - PAGE_SHIFT)) - 1);
+	req_start = pgoff << PAGE_SHIFT;
+
+	if (!intel_vgpu_in_aperture(vgpu, req_start))
+		return -EINVAL;
+	if (req_start + req_size >
+	    vgpu_aperture_offset(vgpu) + vgpu_aperture_sz(vgpu))
+		return -EINVAL;
+
+	pgoff = (gvt_aperture_pa_base(vgpu->gvt) >> PAGE_SHIFT) + pgoff;
 
 	return remap_pfn_range(vma, virtaddr, pgoff, req_size, pg_prot);
 }

From ce0210c12433031aba3bbacd75f4c02ab77f2004 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <narmstrong@baylibre.com>
Date: Mon, 14 Jan 2019 16:31:18 +0100
Subject: [PATCH 16/20] drm/meson: Fix atomic mode switching regression

Since commit 2bcd3ecab773 when switching mode from X11 (ubuntu mate for
example) the display gets blurry, looking like an invalid framebuffer width.

This commit fixed atomic crtc modesetting in a totally wrong way and
introduced a local unnecessary ->enabled crtc state.

This commit reverts the crctc _begin() and _enable() changes and simply
adds drm_atomic_helper_commit_tail_rpm as helper.

Reported-by: Tony McKahan <tonymckahan@gmail.com>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Fixes: 2bcd3ecab773 ("drm/meson: Fixes for drm_crtc_vblank_on/off support")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[narmstrong: fixed blank line issue from checkpatch]
Link: https://patchwork.freedesktop.org/patch/msgid/20190114153118.8024-1-narmstrong@baylibre.com
---
 drivers/gpu/drm/meson/meson_crtc.c | 23 ++---------------------
 drivers/gpu/drm/meson/meson_drv.c  |  5 +++++
 2 files changed, 7 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c
index 75d97f1b2e8f..4f5c67f70c4d 100644
--- a/drivers/gpu/drm/meson/meson_crtc.c
+++ b/drivers/gpu/drm/meson/meson_crtc.c
@@ -46,7 +46,6 @@ struct meson_crtc {
 	struct drm_crtc base;
 	struct drm_pending_vblank_event *event;
 	struct meson_drm *priv;
-	bool enabled;
 };
 #define to_meson_crtc(x) container_of(x, struct meson_crtc, base)
 
@@ -82,7 +81,8 @@ static const struct drm_crtc_funcs meson_crtc_funcs = {
 
 };
 
-static void meson_crtc_enable(struct drm_crtc *crtc)
+static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
+				     struct drm_crtc_state *old_state)
 {
 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
 	struct drm_crtc_state *crtc_state = crtc->state;
@@ -108,20 +108,6 @@ static void meson_crtc_enable(struct drm_crtc *crtc)
 
 	drm_crtc_vblank_on(crtc);
 
-	meson_crtc->enabled = true;
-}
-
-static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
-				     struct drm_crtc_state *old_state)
-{
-	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
-	struct meson_drm *priv = meson_crtc->priv;
-
-	DRM_DEBUG_DRIVER("\n");
-
-	if (!meson_crtc->enabled)
-		meson_crtc_enable(crtc);
-
 	priv->viu.osd1_enabled = true;
 }
 
@@ -153,8 +139,6 @@ static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
 
 		crtc->state->event = NULL;
 	}
-
-	meson_crtc->enabled = false;
 }
 
 static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
@@ -163,9 +147,6 @@ static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
 	struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
 	unsigned long flags;
 
-	if (crtc->state->enable && !meson_crtc->enabled)
-		meson_crtc_enable(crtc);
-
 	if (crtc->state->event) {
 		WARN_ON(drm_crtc_vblank_get(crtc) != 0);
 
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index b59c7570f4cb..12ff47b13668 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -75,6 +75,10 @@ static const struct drm_mode_config_funcs meson_mode_config_funcs = {
 	.fb_create           = drm_gem_fb_create,
 };
 
+static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = {
+	.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
+};
+
 static irqreturn_t meson_irq(int irq, void *arg)
 {
 	struct drm_device *dev = arg;
@@ -266,6 +270,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 	drm->mode_config.max_width = 3840;
 	drm->mode_config.max_height = 2160;
 	drm->mode_config.funcs = &meson_mode_config_funcs;
+	drm->mode_config.helper_private	= &meson_mode_config_helpers;
 
 	/* Hardware Initialization */
 

From 25ec429e86bb790e40387a550f0501d0ac55a47c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 10 Jan 2019 12:16:57 +0100
Subject: [PATCH 17/20] Revert "drm/amdgpu: validate user GEM object size"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It was at the same time too strict (for linear tiling modes, where no
height alignment is required) and too lenient (for 2D tiling modes,
where height may need to be aligned to values > 8).

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index dafc645b2e4e..cb72d9675ab1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -531,7 +531,6 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 	struct drm_gem_object *obj;
 	struct amdgpu_framebuffer *amdgpu_fb;
 	int ret;
-	int height;
 	struct amdgpu_device *adev = dev->dev_private;
 	int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
 	int pitch = mode_cmd->pitches[0] / cpp;
@@ -556,13 +555,6 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 		return ERR_PTR(-EINVAL);
 	}
 
-	height = ALIGN(mode_cmd->height, 8);
-	if (obj->size < pitch * height) {
-		DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but got %zu\n",
-			      pitch * height, obj->size);
-		return ERR_PTR(-EINVAL);
-	}
-
 	amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
 	if (amdgpu_fb == NULL) {
 		drm_gem_object_put_unlocked(obj);

From 92b0730eaf2d549fdfb10ecc8b71f34b9f472c12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Fri, 11 Jan 2019 16:21:02 +0100
Subject: [PATCH 18/20] Revert "drm/amdgpu: validate user pitch alignment"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The check turned out to be too strict in some cases.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index cb72d9675ab1..b083b219b1a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -531,16 +531,6 @@ amdgpu_display_user_framebuffer_create(struct drm_device *dev,
 	struct drm_gem_object *obj;
 	struct amdgpu_framebuffer *amdgpu_fb;
 	int ret;
-	struct amdgpu_device *adev = dev->dev_private;
-	int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
-	int pitch = mode_cmd->pitches[0] / cpp;
-
-	pitch = amdgpu_align_pitch(adev, pitch, cpp, false);
-	if (mode_cmd->pitches[0] != pitch) {
-		DRM_DEBUG_KMS("Invalid pitch: expecting %d but got %d\n",
-			      pitch, mode_cmd->pitches[0]);
-		return ERR_PTR(-EINVAL);
-	}
 
 	obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
 	if (obj ==  NULL) {

From 4bb0e6d7258213d4893c2c876712fbba40e712fe Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Sun, 13 Jan 2019 09:47:44 +0100
Subject: [PATCH 19/20] drm/sun4i: backend: add missing of_node_puts

The device node iterators perform an of_node_get on each
iteration, so a jump out of the loop requires an of_node_put.

Remote and port also have augmented reference counts, so drop them
on each iteration and at the end of the function, respectively.
Remote is only used for the address it contains, not for the
contents of that address, so the reference count can be dropped
immediately.

The semantic patch that fixes the first part of this problem is
as follows (http://coccinelle.lip6.fr):

// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@

 for_each_available_child_of_node(root, child) {
   ... when != of_node_put(child)
       when != e = child
+  of_node_put(child);
?  break;
   ...
}
... when != child
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1547369264-24831-5-git-send-email-Julia.Lawall@lip6.fr
---
 drivers/gpu/drm/sun4i/sun4i_backend.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 9e9255ee59cd..a021bab11a4f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -786,17 +786,18 @@ static struct sun4i_frontend *sun4i_backend_find_frontend(struct sun4i_drv *drv,
 		remote = of_graph_get_remote_port_parent(ep);
 		if (!remote)
 			continue;
+		of_node_put(remote);
 
 		/* does this node match any registered engines? */
 		list_for_each_entry(frontend, &drv->frontend_list, list) {
 			if (remote == frontend->node) {
-				of_node_put(remote);
 				of_node_put(port);
+				of_node_put(ep);
 				return frontend;
 			}
 		}
 	}
-
+	of_node_put(port);
 	return ERR_PTR(-EINVAL);
 }
 

From 35dad45d5cad3c9ca8d6a338cbf668cd7ea86469 Mon Sep 17 00:00:00 2001
From: David Francis <David.Francis@amd.com>
Date: Tue, 20 Nov 2018 09:42:58 -0500
Subject: [PATCH 20/20] drm/amd/display: Detach backlight from stream

[Why]
Backlight is conceptually a property of links, not streams.
All backlight programming is done on links, but there is a
stream property bl_pwm_level that is used to restore backlight
on dpms on and s3 resume.  This is unnecessary, as backlight
is already restored by hardware with no driver intervention.

[How]
Remove bl_pwm_level, and the stream argument to set_backlight

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=109375
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 923fe4951282cbdfce05186c10380bbc45b5e03b)
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  2 +-
 drivers/gpu/drm/amd/display/dc/core/dc_link.c     | 12 +-----------
 drivers/gpu/drm/amd/display/dc/dc_link.h          |  3 +--
 drivers/gpu/drm/amd/display/dc/dc_stream.h        |  1 -
 4 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 903dbafc144d..f4fa40c387d3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1772,7 +1772,7 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
 		+ caps.min_input_signal * 0x101;
 
 	if (dc_link_set_backlight_level(dm->backlight_link,
-			brightness, 0, 0))
+			brightness, 0))
 		return 0;
 	else
 		return 1;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 52deacf39841..b0265dbebd4c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2190,8 +2190,7 @@ int dc_link_get_backlight_level(const struct dc_link *link)
 
 bool dc_link_set_backlight_level(const struct dc_link *link,
 		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp,
-		const struct dc_stream_state *stream)
+		uint32_t frame_ramp)
 {
 	struct dc  *core_dc = link->ctx->dc;
 	struct abm *abm = core_dc->res_pool->abm;
@@ -2206,10 +2205,6 @@ bool dc_link_set_backlight_level(const struct dc_link *link,
 		(abm->funcs->set_backlight_level_pwm == NULL))
 		return false;
 
-	if (stream)
-		((struct dc_stream_state *)stream)->bl_pwm_level =
-				backlight_pwm_u16_16;
-
 	use_smooth_brightness = dmcu->funcs->is_dmcu_initialized(dmcu);
 
 	DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n",
@@ -2637,11 +2632,6 @@ void core_link_enable_stream(
 
 		if (dc_is_dp_signal(pipe_ctx->stream->signal))
 			enable_stream_features(pipe_ctx);
-
-		dc_link_set_backlight_level(pipe_ctx->stream->sink->link,
-				pipe_ctx->stream->bl_pwm_level,
-				0,
-				pipe_ctx->stream);
 	}
 
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index 29f19d57ff7a..b2243e0dad1f 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -146,8 +146,7 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_
  */
 bool dc_link_set_backlight_level(const struct dc_link *dc_link,
 		uint32_t backlight_pwm_u16_16,
-		uint32_t frame_ramp,
-		const struct dc_stream_state *stream);
+		uint32_t frame_ramp);
 
 int dc_link_get_backlight_level(const struct dc_link *dc_link);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index be34d638e15d..d70c9e1cda3d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -91,7 +91,6 @@ struct dc_stream_state {
 
 	/* DMCU info */
 	unsigned int abm_level;
-	unsigned int bl_pwm_level;
 
 	/* from core_stream struct */
 	struct dc_context *ctx;