From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The address we read from the PTE is a dma address, not a physical
address. Rename the variable to say so.
Cc: Paz Zcharya <pazz@xxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
.../gpu/drm/i915/display/intel_plane_initial.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c
index c72d4cacf631..48b74319f45c 100644
--- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
+++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
@@ -61,6 +61,7 @@ initial_plane_vma(struct drm_i915_private *i915,
base = round_down(plane_config->base, I915_GTT_MIN_ALIGNMENT);
if (IS_DGFX(i915) || HAS_LMEMBAR_SMEM_STOLEN(i915)) {
gen8_pte_t __iomem *gte = to_gt(i915)->ggtt->gsm;
+ dma_addr_t dma_addr;
gen8_pte_t pte;
gte += base / I915_GTT_PAGE_SIZE;
@@ -72,7 +73,7 @@ initial_plane_vma(struct drm_i915_private *i915,
return NULL;
}
- phys_base = pte & GEN12_GGTT_PTE_ADDR_MASK;
+ dma_addr = pte & GEN12_GGTT_PTE_ADDR_MASK;
if (IS_DGFX(i915))
mem = i915->mm.regions[INTEL_REGION_LMEM_0];
@@ -88,18 +89,18 @@ initial_plane_vma(struct drm_i915_private *i915,
* On lmem we don't currently expect this to
* ever be placed in the stolen portion.
*/
- if (phys_base < mem->region.start || phys_base > mem->region.end) {
+ if (dma_addr < mem->region.start || dma_addr > mem->region.end) {
drm_err(&i915->drm,
- "Initial plane programming using invalid range, phys_base=%pa (%s [%pa-%pa])\n",
- &phys_base, mem->region.name, &mem->region.start, &mem->region.end);
+ "Initial plane programming using invalid range, dma_addr=%pa (%s [%pa-%pa])\n",
+ &dma_addr, mem->region.name, &mem->region.start, &mem->region.end);
return NULL;
}
drm_dbg(&i915->drm,
- "Using phys_base=%pa, based on initial plane programming\n",
- &phys_base);
+ "Using dma_addr=%pa, based on initial plane programming\n",
+ &dma_addr);
- phys_base -= mem->region.start;
+ phys_base = dma_addr - mem->region.start;
} else {
phys_base = base;
mem = i915->mm.stolen_region;
--
2.41.0
