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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2023-10-11 09:50:59 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2023-10-11 09:50:59 +0200 |
| commit | 57390019b68b83f96eb98f490367b9df1f2d77cb (patch) | |
| tree | e6d4b6c75efdd2d7fb7d37f980688c491be3ff6a /drivers/gpu/drm/i915/display/intel_vblank.c | |
| parent | e5f9d543419c78ac58f3b3557bc5a76b20ff600b (diff) | |
| parent | 389af786f92ecdff35883551d54bf4e507ffcccb (diff) | |
Merge drm/drm-next into drm-misc-next
Updating drm-misc-next to the state of Linux v6.6-rc2.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_vblank.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vblank.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c index f5659ebd08eb..2cec2abf9746 100644 --- a/drivers/gpu/drm/i915/display/intel_vblank.c +++ b/drivers/gpu/drm/i915/display/intel_vblank.c @@ -251,6 +251,20 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc) return (position + crtc->scanline_offset) % vtotal; } +int intel_crtc_scanline_to_hw(struct intel_crtc *crtc, int scanline) +{ + const struct drm_vblank_crtc *vblank = + &crtc->base.dev->vblank[drm_crtc_index(&crtc->base)]; + const struct drm_display_mode *mode = &vblank->hwmode; + int vtotal; + + vtotal = mode->crtc_vtotal; + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + vtotal /= 2; + + return (scanline + vtotal - crtc->scanline_offset) % vtotal; +} + static bool i915_get_crtc_scanoutpos(struct drm_crtc *_crtc, bool in_vblank_irq, int *vpos, int *hpos, |