diff options
| author | Chris Wilson | 2010-08-12 11:44:45 +0200 |
|---|---|---|
| committer | Chris Wilson | 2010-09-08 11:23:43 +0200 |
| commit | 60fc332cb5ab19e5a86d696b210df65814b2ad8a (patch) | |
| tree | 6e765e4a35983bb1668967256a10502313896919 /drivers/gpu/drm/i915/intel_overlay.c | |
| parent | drm/i915/overlay: Use non-atomic mappings for the common case. (diff) | |
| download | kernel-qcow2-linux-60fc332cb5ab19e5a86d696b210df65814b2ad8a.tar.gz kernel-qcow2-linux-60fc332cb5ab19e5a86d696b210df65814b2ad8a.tar.xz kernel-qcow2-linux-60fc332cb5ab19e5a86d696b210df65814b2ad8a.zip | |
drm/i915/overlay: Tidy attribute checking.
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 | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 0c13e1b88cbe..ab2a8cad8129 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -1314,10 +1314,11 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, mutex_lock(&dev->mode_config.mutex); mutex_lock(&dev->struct_mutex); + ret = -EINVAL; if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) { - attrs->color_key = overlay->color_key; + attrs->color_key = overlay->color_key; attrs->brightness = overlay->brightness; - attrs->contrast = overlay->contrast; + attrs->contrast = overlay->contrast; attrs->saturation = overlay->saturation; if (IS_I9XX(dev)) { @@ -1328,29 +1329,18 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, attrs->gamma4 = I915_READ(OGAMC4); attrs->gamma5 = I915_READ(OGAMC5); } - ret = 0; } else { - overlay->color_key = attrs->color_key; - if (attrs->brightness >= -128 && attrs->brightness <= 127) { - overlay->brightness = attrs->brightness; - } else { - ret = -EINVAL; + if (attrs->brightness < -128 || attrs->brightness > 127) goto out_unlock; - } - - if (attrs->contrast <= 255) { - overlay->contrast = attrs->contrast; - } else { - ret = -EINVAL; + if (attrs->contrast > 255) goto out_unlock; - } - - if (attrs->saturation <= 1023) { - overlay->saturation = attrs->saturation; - } else { - ret = -EINVAL; + if (attrs->saturation > 1023) goto out_unlock; - } + + overlay->color_key = attrs->color_key; + overlay->brightness = attrs->brightness; + overlay->contrast = attrs->contrast; + overlay->saturation = attrs->saturation; regs = intel_overlay_map_regs(overlay); if (!regs) { @@ -1363,10 +1353,8 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, intel_overlay_unmap_regs(overlay); if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) { - if (!IS_I9XX(dev)) { - ret = -EINVAL; + if (!IS_I9XX(dev)) goto out_unlock; - } if (overlay->active) { ret = -EBUSY; @@ -1374,7 +1362,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, } ret = check_gamma(attrs); - if (ret != 0) + if (ret) goto out_unlock; I915_WRITE(OGAMC0, attrs->gamma0); @@ -1384,9 +1372,9 @@ int intel_overlay_attrs(struct drm_device *dev, void *data, I915_WRITE(OGAMC4, attrs->gamma4); I915_WRITE(OGAMC5, attrs->gamma5); } - ret = 0; } + ret = 0; out_unlock: mutex_unlock(&dev->struct_mutex); mutex_unlock(&dev->mode_config.mutex); |