diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-11-13 20:00:51 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-11-14 12:34:21 -0600 |
| commit | 46ba95bed95424080671a38ecfb872954e1707bd (patch) | |
| tree | 3b598ffa5c0223755de1159f4d1baeab49f3bb9c | |
| parent | 1c680f2acdbb3b64965962ca060a6daa6379575d (diff) | |
drm/xe/vram: Use pci_rebar_get_max_size()
Use pci_rebar_get_max_size() from PCI core in resize_vram_bar() to simplify
code.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/20251113180053.27944-10-ilpo.jarvinen@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/xe/xe_vram.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xe/xe_vram.c b/drivers/gpu/drm/xe/xe_vram.c index 57c224fa0b56..524469f8a4bd 100644 --- a/drivers/gpu/drm/xe/xe_vram.c +++ b/drivers/gpu/drm/xe/xe_vram.c @@ -53,16 +53,11 @@ static void resize_vram_bar(struct xe_device *xe) resource_size_t current_size; resource_size_t rebar_size; struct resource *root_res; - u32 bar_size_mask; + int max_size, i; u32 pci_cmd; - int i; /* gather some relevant info */ current_size = pci_resource_len(pdev, LMEM_BAR); - bar_size_mask = pci_rebar_get_possible_sizes(pdev, LMEM_BAR); - - if (!bar_size_mask) - return; if (force_vram_bar_size < 0) return; @@ -76,7 +71,8 @@ static void resize_vram_bar(struct xe_device *xe) drm_info(&xe->drm, "Requested size: %lluMiB is not supported by rebar sizes: 0x%x. Leaving default: %lluMiB\n", (u64)pci_rebar_size_to_bytes(rebar_size) >> 20, - bar_size_mask, (u64)current_size >> 20); + pci_rebar_get_possible_sizes(pdev, LMEM_BAR), + (u64)current_size >> 20); return; } @@ -84,7 +80,10 @@ static void resize_vram_bar(struct xe_device *xe) if (rebar_size == current_size) return; } else { - rebar_size = pci_rebar_size_to_bytes(__fls(bar_size_mask)); + max_size = pci_rebar_get_max_size(pdev, LMEM_BAR); + if (max_size < 0) + return; + rebar_size = pci_rebar_size_to_bytes(max_size); /* only resize if larger than current */ if (rebar_size <= current_size) |