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drm/i915: Spruce up assert_sprites_disabled() 

Make assert_sprites_disabled() operational on all platforms where
we currently have sprite support enabled.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2013-06-04 13:49:06 +03:00 committed by Daniel Vetter
parent 653e10266d
commit 20674eef80
1 changed files with 19 additions and 8 deletions
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27
drivers/gpu/drm/i915/intel_display.c
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@ -1135,19 +1135,30 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv,
static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
struct drm_device *dev = dev_priv->dev;
int reg, i;
u32 val;
if (!IS_VALLEYVIEW(dev_priv->dev))
return;
/* Need to check both planes against the pipe */
for (i = 0; i < dev_priv->num_plane; i++) {
reg = SPCNTR(pipe, i);
if (IS_VALLEYVIEW(dev)) {
for (i = 0; i < dev_priv->num_plane; i++) {
reg = SPCNTR(pipe, i);
val = I915_READ(reg);
WARN((val & SP_ENABLE),
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
sprite_name(pipe, i), pipe_name(pipe));
}
} else if (INTEL_INFO(dev)->gen >= 7) {
reg = SPRCTL(pipe);
val = I915_READ(reg);
WARN((val & SP_ENABLE),
WARN((val & SPRITE_ENABLE),
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
sprite_name(pipe, i), pipe_name(pipe));
plane_name(pipe), pipe_name(pipe));
} else if (INTEL_INFO(dev)->gen >= 5) {
reg = DVSCNTR(pipe);
val = I915_READ(reg);
WARN((val & DVS_ENABLE),
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
plane_name(pipe), pipe_name(pipe));
}
}