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authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-10-05 18:41:57 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2022-10-20 17:31:22 +0300
commit5bfcff516c89c57be6cd90af1d64529a51228ac1 (patch)
tree94d6c287eb2adc1a1d3348a0898f68ad8b6a2887 /drivers
parent6667d78a1123d237d66e34923754ebca97d06d39 (diff)
drm/i915: Extract intel_mmio_bar()
We have the same code to determine the MMIO BAR in two places. Collect it to a single place. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221005154159.18750-1-ville.syrjala@linux.intel.com Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt.c2
-rw-r--r--drivers/gpu/drm/i915/i915_pci.c4
-rw-r--r--drivers/gpu/drm/i915/intel_pci_config.h8
3 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index 27dbb9e4bd6c..2e796ffad911 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -880,7 +880,7 @@ int intel_gt_probe_all(struct drm_i915_private *i915)
unsigned int i;
int ret;
- mmio_bar = GRAPHICS_VER(i915) == 2 ? GEN2_GTTMMADR_BAR : GTTMMADR_BAR;
+ mmio_bar = intel_mmio_bar(GRAPHICS_VER(i915));
phys_addr = pci_resource_start(pdev, mmio_bar);
/*
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 4757ad0173da..53c6b7cf7879 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1295,9 +1295,7 @@ bool i915_pci_resource_valid(struct pci_dev *pdev, int bar)
static bool intel_mmio_bar_valid(struct pci_dev *pdev, struct intel_device_info *intel_info)
{
- int gttmmaddr_bar = intel_info->__runtime.graphics.ip.ver == 2 ? GEN2_GTTMMADR_BAR : GTTMMADR_BAR;
-
- return i915_pci_resource_valid(pdev, gttmmaddr_bar);
+ return i915_pci_resource_valid(pdev, intel_mmio_bar(intel_info->__runtime.graphics.ip.ver));
}
static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
diff --git a/drivers/gpu/drm/i915/intel_pci_config.h b/drivers/gpu/drm/i915/intel_pci_config.h
index 4977a524ce6f..305f137d2ebd 100644
--- a/drivers/gpu/drm/i915/intel_pci_config.h
+++ b/drivers/gpu/drm/i915/intel_pci_config.h
@@ -13,6 +13,14 @@
#define GTT_APERTURE_BAR GFXMEM_BAR
#define GEN12_LMEM_BAR GFXMEM_BAR
+static inline int intel_mmio_bar(int graphics_ver)
+{
+ switch (graphics_ver) {
+ case 2: return GEN2_GTTMMADR_BAR;
+ default: return GTTMMADR_BAR;
+ }
+}
+
/* BSM in include/drm/i915_drm.h */
#define MCHBAR_I915 0x44