diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_region_lmem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_region_lmem.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c index aa6aed837194..f3ad93db0b21 100644 --- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c @@ -4,8 +4,10 @@ */ #include "i915_drv.h" +#include "i915_pci.h" #include "i915_reg.h" #include "intel_memory_region.h" +#include "intel_pci_config.h" #include "intel_region_lmem.h" #include "intel_region_ttm.h" #include "gem/i915_gem_lmem.h" @@ -45,7 +47,6 @@ _resize_bar(struct drm_i915_private *i915, int resno, resource_size_t size) drm_info(&i915->drm, "BAR%d resized to %dM\n", resno, 1 << bar_size); } -#define LMEM_BAR_NUM 2 static void i915_resize_lmem_bar(struct drm_i915_private *i915, resource_size_t lmem_size) { struct pci_dev *pdev = to_pci_dev(i915->drm.dev); @@ -56,15 +57,14 @@ static void i915_resize_lmem_bar(struct drm_i915_private *i915, resource_size_t u32 pci_cmd; int i; - current_size = roundup_pow_of_two(pci_resource_len(pdev, LMEM_BAR_NUM)); + current_size = roundup_pow_of_two(pci_resource_len(pdev, GEN12_LMEM_BAR)); if (i915->params.lmem_bar_size) { u32 bar_sizes; rebar_size = i915->params.lmem_bar_size * (resource_size_t)SZ_1M; - bar_sizes = pci_rebar_get_possible_sizes(pdev, - LMEM_BAR_NUM); + bar_sizes = pci_rebar_get_possible_sizes(pdev, GEN12_LMEM_BAR); if (rebar_size == current_size) return; @@ -107,7 +107,7 @@ static void i915_resize_lmem_bar(struct drm_i915_private *i915, resource_size_t pci_write_config_dword(pdev, PCI_COMMAND, pci_cmd & ~PCI_COMMAND_MEMORY); - _resize_bar(i915, LMEM_BAR_NUM, rebar_size); + _resize_bar(i915, GEN12_LMEM_BAR, rebar_size); pci_assign_unassigned_bus_resources(pdev->bus); pci_write_config_dword(pdev, PCI_COMMAND, pci_cmd); @@ -202,6 +202,9 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) if (!IS_DGFX(i915)) return ERR_PTR(-ENODEV); + if (!i915_pci_resource_valid(pdev, GEN12_LMEM_BAR)) + return ERR_PTR(-ENXIO); + if (HAS_FLAT_CCS(i915)) { resource_size_t lmem_range; u64 tile_stolen, flat_ccs_base; @@ -236,8 +239,8 @@ static struct intel_memory_region *setup_lmem(struct intel_gt *gt) mul_u32_u32(i915->params.lmem_size, SZ_1M)); } - io_start = pci_resource_start(pdev, 2); - io_size = min(pci_resource_len(pdev, 2), lmem_size); + io_start = pci_resource_start(pdev, GEN12_LMEM_BAR); + io_size = min(pci_resource_len(pdev, GEN12_LMEM_BAR), lmem_size); if (!io_size) return ERR_PTR(-EIO); |