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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-08-12 11:15:58 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-08 10:23:46 +0100 |
| commit | 446d2183af68c0fd2772f5ef97a033efe69904a5 (patch) | |
| tree | 90a15155c7d5fce589685d89b1da4cfb39427358 /drivers/gpu/drm/i915/intel_overlay.c | |
| parent | 7340ea7dcf32227a77ed9df154fc2b2f00ad2fb1 (diff) | |
| download | linux-446d2183af68c0fd2772f5ef97a033efe69904a5.tar.gz linux-446d2183af68c0fd2772f5ef97a033efe69904a5.tar.xz linux-446d2183af68c0fd2772f5ef97a033efe69904a5.zip | |
drm/i915/overlay: Tidy update_pfit_vscale_ratio()
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index cc86b3e0849d..484058216e9d 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -937,19 +937,20 @@ static void update_pfit_vscale_ratio(struct intel_overlay *overlay) { struct drm_device *dev = overlay->dev; drm_i915_private_t *dev_priv = dev->dev_private; - u32 ratio; u32 pfit_control = I915_READ(PFIT_CONTROL); + u32 ratio; /* XXX: This is not the same logic as in the xorg driver, but more in - * line with the intel documentation for the i965 */ - if (!IS_I965G(dev) && (pfit_control & VERT_AUTO_SCALE)) { - ratio = I915_READ(PFIT_AUTO_RATIOS) >> PFIT_VERT_SCALE_SHIFT; - } else { /* on i965 use the PGM reg to read out the autoscaler values */ - ratio = I915_READ(PFIT_PGM_RATIOS); - if (IS_I965G(dev)) - ratio >>= PFIT_VERT_SCALE_SHIFT_965; + * line with the intel documentation for the i965 + */ + if (!IS_I965G(dev)) { + if (pfit_control & VERT_AUTO_SCALE) + ratio = I915_READ(PFIT_AUTO_RATIOS); else - ratio >>= PFIT_VERT_SCALE_SHIFT; + ratio = I915_READ(PFIT_PGM_RATIOS); + ratio >>= PFIT_VERT_SCALE_SHIFT; + } else { /* on i965 use the PGM reg to read out the autoscaler values */ + ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965; } overlay->pfit_vscale_ratio = ratio; |