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drm/nouveau: allow cursor image and position to survive suspend 

- This isn't triggered yet on a normal kernel, because it still does a VT
switch, but it seemed like a good idea to fix this now.

Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Maarten Maathuis 2010-05-09 14:49:52 +02:00 committed by Ben Skeggs
parent 893887ed75
commit b334f2b3b6
4 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nouveau_crtc.h
View File

@ -40,6 +40,8 @@ struct nouveau_crtc {
int sharpness;
int last_dpms;
int cursor_saved_x, cursor_saved_y;
struct {
int cpp;
bool blanked;

29
drivers/gpu/drm/nouveau/nouveau_drv.c
View File

@ -175,6 +175,13 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
nouveau_bo_unpin(nouveau_fb->nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_unpin(nv_crtc->cursor.nvbo);
}
NV_INFO(dev, "Evicting buffers...\n");
ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
@ -314,12 +321,34 @@ nouveau_pci_resume(struct pci_dev *pdev)
nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
int ret;
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
NV_ERROR(dev, "Could not pin/map cursor.\n");
}
if (dev_priv->card_type < NV_50) {
nv04_display_restore(dev);
NVLockVgaCrtcs(dev, false);
} else
nv50_display_init(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nv_crtc->cursor.set_offset(nv_crtc,
nv_crtc->cursor.nvbo->bo.offset -
dev_priv->vm_vram_base);
nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
nv_crtc->cursor_saved_y);
}
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);

1
drivers/gpu/drm/nouveau/nv04_cursor.c
View File

@ -20,6 +20,7 @@ nv04_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
static void
nv04_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
{
nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
NVWriteRAMDAC(nv_crtc->base.dev, nv_crtc->index,
NV_PRAMDAC_CU_START_POS,
XLATE(y, 0, NV_PRAMDAC_CU_START_POS_Y) |

1
drivers/gpu/drm/nouveau/nv50_cursor.c
View File

@ -107,6 +107,7 @@ nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
{
struct drm_device *dev = nv_crtc->base.dev;
nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index),
((y & 0xFFFF) << 16) | (x & 0xFFFF));
/* Needed to make the cursor move. */