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drm/i915: clean up PPGTT checking logic

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sanitize_enable_ppgtt is the function that checks all the conditions,
honoring a forced ppgtt status or doing auto-detect as necessary.  Just
make sure it returns the right value in all cases and use that in the
macros instead of the confusing intel_enable_ppgtt() function.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[danvet: Don't reenable full ppgtt through the backdoor.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2014-08-05 07:51:18 -07:00 committed by Daniel Vetter
parent efd814b73c
commit 692ef70c01
3 changed files with 2 additions and 14 deletions
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4
drivers/gpu/drm/i915/i915_drv.h
View File

@ -2065,8 +2065,8 @@ struct drm_i915_cmd_table {
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6)
#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev))
#define USES_PPGTT(dev) intel_enable_ppgtt(dev, false)
#define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true)
#define USES_PPGTT(dev) (i915.enable_ppgtt)
#define USES_FULL_PPGTT(dev) (i915.enable_ppgtt == 2)
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)

11
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -33,17 +33,6 @@
static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv);
static void chv_setup_private_ppat(struct drm_i915_private *dev_priv);
bool intel_enable_ppgtt(struct drm_device *dev, bool full)
{
if (i915.enable_ppgtt == 0)
return false;
if (i915.enable_ppgtt == 1 && full)
return false;
return true;
}
static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
{
if (enable_ppgtt == 0 || !HAS_ALIASING_PPGTT(dev))

1
drivers/gpu/drm/i915/i915_gem_gtt.h
View File

@ -272,7 +272,6 @@ void i915_gem_init_global_gtt(struct drm_device *dev);
void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
unsigned long mappable_end, unsigned long end);
bool intel_enable_ppgtt(struct drm_device *dev, bool full);
int i915_gem_init_ppgtt(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
void i915_check_and_clear_faults(struct drm_device *dev);