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drm/radeon/kms: fix crtc vblank update for r600

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In 2.6.32.2 r600 had no IRQ support, however the patch in
500b758725 to fix vblanks on avivo
cards, needs irqs.

So check for an R600 card and avoid this path if so.

This is a stable only patch for 2.6.32.2 as 2.6.33 has IRQs for r600.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dave Airlie
2009-12-21 14:33:52 +10:00
committed by Greg Kroah-Hartman
parent a09adfeb9e
commit 08ff73341f
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/radeon/atombios_crtc.c
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@@ -249,13 +249,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, 1);
atombios_blank_crtc(crtc, 0);
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
if (rdev->family < CHIP_R600)
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
radeon_crtc_load_lut(crtc);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
if (rdev->family < CHIP_R600)
drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
atombios_blank_crtc(crtc, 1);
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, 0);