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drm/nv04: Fix scanout over the 16MB mark.

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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-10-22 04:39:14 +02:00 committed by Ben Skeggs
parent 3c29f9e745
commit 5794b5fdb5
2 changed files with 20 additions and 1 deletions
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19
drivers/gpu/drm/nouveau/nouveau_hw.h
View File

@ -415,6 +415,25 @@ nv_fix_nv40_hw_cursor(struct drm_device *dev, int head)
NVWriteRAMDAC(dev, head, NV_PRAMDAC_CU_START_POS, curpos);
}
static inline void
nv_set_crtc_base(struct drm_device *dev, int head, uint32_t offset)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
NVWriteCRTC(dev, head, NV_PCRTC_START, offset);
if (dev_priv->card_type == NV_04) {
/*
* Hilarious, the 24th bit doesn't want to stick to
* PCRTC_START...
*/
int cre_heb = NVReadVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX);
NVWriteVgaCrtc(dev, head, NV_CIO_CRE_HEB__INDEX,
(cre_heb & ~0x40) | ((offset >> 18) & 0x40));
}
}
static inline void
nv_show_cursor(struct drm_device *dev, int head, bool show)
{

2
drivers/gpu/drm/nouveau/nv04_crtc.c
View File

@ -831,7 +831,7 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
/* Update the framebuffer location. */
regp->fb_start = nv_crtc->fb.offset & ~3;
regp->fb_start += (y * drm_fb->pitch) + (x * drm_fb->bits_per_pixel / 8);
NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_START, regp->fb_start);
nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start);
/* Update the arbitration parameters. */
nouveau_calc_arb(dev, crtc->mode.clock, drm_fb->bits_per_pixel,