Reorder scratch page allocation so that memory regions are available to allocate the buffers
Signed-off-by: Robert Beckett bob.beckett@collabora.com Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/gt/intel_gt_gmch.c | 20 ++++++++++++++++++-- drivers/gpu/drm/i915/gt/intel_gt_gmch.h | 6 ++++++ drivers/gpu/drm/i915/i915_driver.c | 16 ++++++++++------ 3 files changed, 34 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_gmch.c b/drivers/gpu/drm/i915/gt/intel_gt_gmch.c index 18e488672d1b..5411df1734ac 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_gmch.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_gmch.c @@ -440,8 +440,6 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) struct drm_i915_private *i915 = ggtt->vm.i915; struct pci_dev *pdev = to_pci_dev(i915->drm.dev); phys_addr_t phys_addr; - u32 pte_flags; - int ret;
GEM_WARN_ON(pci_resource_len(pdev, 0) != gen6_gttmmadr_size(i915)); phys_addr = pci_resource_start(pdev, 0) + gen6_gttadr_offset(i915); @@ -463,6 +461,24 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) }
kref_init(&ggtt->vm.resv_ref); + + return 0; +} + +/** + * i915_ggtt_setup_scratch_page - setup ggtt scratch page + * @i915: i915 device + */ +int i915_ggtt_setup_scratch_page(struct drm_i915_private *i915) +{ + struct i915_ggtt *ggtt = to_gt(i915)->ggtt; + u32 pte_flags; + int ret; + + /* gen5- scratch setup currently happens in @intel_gtt_init */ + if (GRAPHICS_VER(i915) <= 5) + return 0; + ret = setup_scratch_page(&ggtt->vm); if (ret) { drm_err(&i915->drm, "Scratch setup failed\n"); diff --git a/drivers/gpu/drm/i915/gt/intel_gt_gmch.h b/drivers/gpu/drm/i915/gt/intel_gt_gmch.h index 75ed55c1f30a..c6b79cb78637 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_gmch.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_gmch.h @@ -15,6 +15,7 @@ int intel_gt_gmch_gen6_probe(struct i915_ggtt *ggtt); int intel_gt_gmch_gen8_probe(struct i915_ggtt *ggtt); int intel_gt_gmch_gen5_probe(struct i915_ggtt *ggtt); int intel_gt_gmch_gen5_enable_hw(struct drm_i915_private *i915); +int i915_ggtt_setup_scratch_page(struct drm_i915_private *i915);
/* Stubs for non-x86 platforms */ #else @@ -41,6 +42,11 @@ static inline int intel_gt_gmch_gen5_enable_hw(struct drm_i915_private *i915) /* No HW should be enabled for this case yet, return fail */ return -ENODEV; } + +static inline int i915_ggtt_setup_scratch_page(struct drm_i915_private *i915) +{ + return 0; +} #endif
#endif /* __INTEL_GT_GMCH_H__ */ diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index d26dcca7e654..4e8a92ffbfe9 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -69,6 +69,7 @@ #include "gem/i915_gem_mman.h" #include "gem/i915_gem_pm.h" #include "gt/intel_gt.h" +#include "gt/intel_gt_gmch.h" #include "gt/intel_gt_pm.h" #include "gt/intel_rc6.h"
@@ -605,12 +606,16 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
ret = intel_gt_tiles_init(dev_priv); if (ret) - goto err_mem_regions; + goto err_ggtt; + + ret = i915_ggtt_setup_scratch_page(dev_priv); + if (ret) + goto err_ggtt;
ret = i915_ggtt_enable_hw(dev_priv); if (ret) { drm_err(&dev_priv->drm, "failed to enable GGTT\n"); - goto err_mem_regions; + goto err_ggtt; }
pci_set_master(pdev); @@ -662,11 +667,10 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) err_msi: if (pdev->msi_enabled) pci_disable_msi(pdev); -err_mem_regions: - intel_memory_regions_driver_release(dev_priv); err_ggtt: i915_ggtt_driver_release(dev_priv); i915_gem_drain_freed_objects(dev_priv); + intel_memory_regions_driver_release(dev_priv); i915_ggtt_driver_late_release(dev_priv); err_perf: i915_perf_fini(dev_priv); @@ -912,9 +916,9 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) intel_modeset_driver_remove_nogem(i915); out_cleanup_hw: i915_driver_hw_remove(i915); - intel_memory_regions_driver_release(i915); i915_ggtt_driver_release(i915); i915_gem_drain_freed_objects(i915); + intel_memory_regions_driver_release(i915); i915_ggtt_driver_late_release(i915); out_cleanup_mmio: i915_driver_mmio_release(i915); @@ -971,9 +975,9 @@ static void i915_driver_release(struct drm_device *dev)
i915_gem_driver_release(dev_priv);
- intel_memory_regions_driver_release(dev_priv); i915_ggtt_driver_release(dev_priv); i915_gem_drain_freed_objects(dev_priv); + intel_memory_regions_driver_release(dev_priv); i915_ggtt_driver_late_release(dev_priv);
i915_driver_mmio_release(dev_priv);