linux_dsm_epyc7002/drivers/gpu/drm/nouveau/nv04_cursor.c
Maarten Maathuis b334f2b3b6 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>
2010-05-28 16:06:17 +10:00

72 lines
2.1 KiB
C

#include "drmP.h"
#include "drm_mode.h"
#include "nouveau_reg.h"
#include "nouveau_drv.h"
#include "nouveau_crtc.h"
#include "nouveau_hw.h"
static void
nv04_cursor_show(struct nouveau_crtc *nv_crtc, bool update)
{
nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, true);
}
static void
nv04_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
{
nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, false);
}
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) |
XLATE(x, 0, NV_PRAMDAC_CU_START_POS_X));
}
static void
crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index)
{
NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index,
crtcstate->CRTC[index]);
}
static void
nv04_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
{
struct drm_device *dev = nv_crtc->base.dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index];
struct drm_crtc *crtc = &nv_crtc->base;
regp->CRTC[NV_CIO_CRE_HCUR_ADDR0_INDEX] =
MASK(NV_CIO_CRE_HCUR_ASI) |
XLATE(offset, 17, NV_CIO_CRE_HCUR_ADDR0_ADR);
regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] =
XLATE(offset, 11, NV_CIO_CRE_HCUR_ADDR1_ADR);
if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] |=
MASK(NV_CIO_CRE_HCUR_ADDR1_CUR_DBL);
regp->CRTC[NV_CIO_CRE_HCUR_ADDR2_INDEX] = offset >> 24;
crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
if (dev_priv->card_type == NV_40)
nv_fix_nv40_hw_cursor(dev, nv_crtc->index);
}
int
nv04_cursor_init(struct nouveau_crtc *crtc)
{
crtc->cursor.set_offset = nv04_cursor_set_offset;
crtc->cursor.set_pos = nv04_cursor_set_pos;
crtc->cursor.hide = nv04_cursor_hide;
crtc->cursor.show = nv04_cursor_show;
return 0;
}