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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>
hifive-unleashed-5.1
Dave Airlie 2013-07-04 14:57:58 +10:00
parent 2bd6ce84e1
commit c9fdda2a2b
2 changed files with 19 additions and 4 deletions
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2
drivers/gpu/drm/qxl/qxl_drv.h
View File

@ -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,

21
drivers/gpu/drm/qxl/qxl_kms.c
View File

@ -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);