From c9fdda2a2b7a8875db3eebd89e428aa760afb897 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 4 Jul 2013 14:57:58 +1000
Subject: [PATCH] qxl: prepare memslot code for suspend/resume
this splits out initing the hw memslots from the guest info, and
creates an entrypoint for s/r to use.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/qxl/qxl_drv.h | 2 ++
drivers/gpu/drm/qxl/qxl_kms.c | 21 +++++++++++++++++----
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 6a929258fff90..056330e5fecf5 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -331,6 +331,8 @@ void qxl_modeset_fini(struct qxl_device *qdev);
int qxl_bo_init(struct qxl_device *qdev);
void qxl_bo_fini(struct qxl_device *qdev);
+void qxl_reinit_memslots(struct qxl_device *qdev);
+
struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
int element_size,
int n_elements,
diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
index e27ce2a907cf7..2c6f9219e9d99 100644
--- a/drivers/gpu/drm/qxl/qxl_kms.c
+++ b/drivers/gpu/drm/qxl/qxl_kms.c
@@ -72,21 +72,28 @@ static bool qxl_check_device(struct qxl_device *qdev)
return true;
}
+static void setup_hw_slot(struct qxl_device *qdev, int slot_index,
+ struct qxl_memslot *slot)
+{
+ qdev->ram_header->mem_slot.mem_start = slot->start_phys_addr;
+ qdev->ram_header->mem_slot.mem_end = slot->end_phys_addr;
+ qxl_io_memslot_add(qdev, slot_index);
+}
+
static uint8_t setup_slot(struct qxl_device *qdev, uint8_t slot_index_offset,
unsigned long start_phys_addr, unsigned long end_phys_addr)
{
uint64_t high_bits;
struct qxl_memslot *slot;
uint8_t slot_index;
- struct qxl_ram_header *ram_header = qdev->ram_header;
slot_index = qdev->rom->slots_start + slot_index_offset;
slot = &qdev->mem_slots[slot_index];
slot->start_phys_addr = start_phys_addr;
slot->end_phys_addr = end_phys_addr;
- ram_header->mem_slot.mem_start = slot->start_phys_addr;
- ram_header->mem_slot.mem_end = slot->end_phys_addr;
- qxl_io_memslot_add(qdev, slot_index);
+
+ setup_hw_slot(qdev, slot_index, slot);
+
slot->generation = qdev->rom->slot_generation;
high_bits = slot_index << qdev->slot_gen_bits;
high_bits |= slot->generation;
@@ -95,6 +102,12 @@ static uint8_t setup_slot(struct qxl_device *qdev, uint8_t slot_index_offset,
return slot_index;
}
+void qxl_reinit_memslots(struct qxl_device *qdev)
+{
+ setup_hw_slot(qdev, qdev->main_mem_slot, &qdev->mem_slots[qdev->main_mem_slot]);
+ setup_hw_slot(qdev, qdev->surfaces_mem_slot, &qdev->mem_slots[qdev->surfaces_mem_slot]);
+}
+
static void qxl_gc_work(struct work_struct *work)
{
struct qxl_device *qdev = container_of(work, struct qxl_device, gc_work);
--
2.30.2