summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_overlay.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index fef4dd61dcfd..df5277aaa98b 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -173,9 +173,6 @@ struct overlay_registers {
/* overlay flip addr flag */
#define OFC_UPDATE 0x1
-#define OVERLAY_NONPHYSICAL(dev) (IS_G33(dev) || IS_I965G(dev))
-#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev) && !IS_GEN6(dev))
-
static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
{
drm_i915_private_t *dev_priv = overlay->dev->dev_private;
@@ -184,7 +181,9 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
/* no recursive mappings */
BUG_ON(overlay->virt_addr);
- if (OVERLAY_NONPHYSICAL(overlay->dev)) {
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) {
+ regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ } else {
regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
overlay->reg_bo->gtt_offset,
KM_USER0);
@@ -193,15 +192,14 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
DRM_ERROR("failed to map overlay regs in GTT\n");
return NULL;
}
- } else
- regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ }
return overlay->virt_addr = regs;
}
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
- if (OVERLAY_NONPHYSICAL(overlay->dev))
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
io_mapping_unmap_atomic(overlay->virt_addr, KM_USER0);
overlay->virt_addr = NULL;
@@ -1366,7 +1364,7 @@ void intel_setup_overlay(struct drm_device *dev)
struct overlay_registers *regs;
int ret;
- if (!OVERLAY_EXISTS(dev))
+ if (!HAS_OVERLAY(dev))
return;
overlay = kzalloc(sizeof(struct intel_overlay), GFP_KERNEL);
@@ -1379,7 +1377,16 @@ void intel_setup_overlay(struct drm_device *dev)
goto out_free;
overlay->reg_bo = to_intel_bo(reg_bo);
- if (OVERLAY_NONPHYSICAL(dev)) {
+ if (OVERLAY_NEEDS_PHYSICAL(dev)) {
+ ret = i915_gem_attach_phys_object(dev, reg_bo,
+ I915_GEM_PHYS_OVERLAY_REGS,
+ 0);
+ if (ret) {
+ DRM_ERROR("failed to attach phys overlay regs\n");
+ goto out_free_bo;
+ }
+ overlay->flip_addr = overlay->reg_bo->phys_obj->handle->busaddr;
+ } else {
ret = i915_gem_object_pin(reg_bo, PAGE_SIZE);
if (ret) {
DRM_ERROR("failed to pin overlay register bo\n");
@@ -1392,15 +1399,6 @@ void intel_setup_overlay(struct drm_device *dev)
DRM_ERROR("failed to move overlay register bo into the GTT\n");
goto out_unpin_bo;
}
- } else {
- ret = i915_gem_attach_phys_object(dev, reg_bo,
- I915_GEM_PHYS_OVERLAY_REGS,
- 0);
- if (ret) {
- DRM_ERROR("failed to attach phys overlay regs\n");
- goto out_free_bo;
- }
- overlay->flip_addr = overlay->reg_bo->phys_obj->handle->busaddr;
}
/* init all values */
@@ -1471,10 +1469,10 @@ intel_overlay_capture_error_state(struct drm_device *dev)
error->dovsta = I915_READ(DOVSTA);
error->isr = I915_READ(ISR);
- if (OVERLAY_NONPHYSICAL(overlay->dev))
- error->base = (long) overlay->reg_bo->gtt_offset;
- else
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
error->base = (long) overlay->reg_bo->phys_obj->handle->vaddr;
+ else
+ error->base = (long) overlay->reg_bo->gtt_offset;
regs = intel_overlay_map_regs_atomic(overlay);
if (!regs)
OpenPOWER on IntegriCloud