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path: root/drivers/gpu/drm/i915/display/intel_plane_initial.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_plane_initial.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_plane_initial.c91
1 files changed, 34 insertions, 57 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c
index b1675b46e06c..c00d9184c586 100644
--- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
+++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
@@ -52,44 +52,57 @@ intel_reuse_initial_plane_obj(struct intel_crtc *this,
return false;
}
+static enum intel_memory_type
+initial_plane_memory_type(struct intel_display *display)
+{
+ struct drm_i915_private *i915 = to_i915(display->drm);
+
+ if (display->platform.dgfx)
+ return INTEL_MEMORY_LOCAL;
+ else if (HAS_LMEMBAR_SMEM_STOLEN(i915))
+ return INTEL_MEMORY_STOLEN_LOCAL;
+ else
+ return INTEL_MEMORY_STOLEN_SYSTEM;
+}
+
static bool
-initial_plane_phys_lmem(struct intel_display *display,
- struct intel_initial_plane_config *plane_config)
+initial_plane_phys(struct intel_display *display,
+ struct intel_initial_plane_config *plane_config)
{
struct drm_i915_private *i915 = to_i915(display->drm);
- gen8_pte_t __iomem *gte = to_gt(i915)->ggtt->gsm;
+ struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
struct intel_memory_region *mem;
+ enum intel_memory_type mem_type;
+ bool is_present, is_local;
dma_addr_t dma_addr;
- gen8_pte_t pte;
u32 base;
+ mem_type = initial_plane_memory_type(display);
+ mem = intel_memory_region_by_type(i915, mem_type);
+ if (!mem) {
+ drm_dbg_kms(display->drm,
+ "Initial plane memory region (type %s) not initialized\n",
+ intel_memory_type_str(mem_type));
+ return false;
+ }
+
base = round_down(plane_config->base, I915_GTT_MIN_ALIGNMENT);
- gte += base / I915_GTT_PAGE_SIZE;
+ dma_addr = intel_ggtt_read_entry(&ggtt->vm, base, &is_present, &is_local);
- pte = ioread64(gte);
- if (!(pte & GEN12_GGTT_PTE_LM)) {
+ if (!is_present) {
drm_err(display->drm,
- "Initial plane programming missing PTE_LM bit\n");
+ "Initial plane FB PTE not present\n");
return false;
}
- dma_addr = pte & GEN12_GGTT_PTE_ADDR_MASK;
-
- if (IS_DGFX(i915))
- mem = i915->mm.regions[INTEL_REGION_LMEM_0];
- else
- mem = i915->mm.stolen_region;
- if (!mem) {
- drm_dbg_kms(display->drm,
- "Initial plane memory region not initialized\n");
+ if (intel_memory_type_is_local(mem->type) != is_local) {
+ drm_err(display->drm,
+ "Initial plane FB PTE unsuitable for %s\n",
+ mem->region.name);
return false;
}
- /*
- * On lmem we don't currently expect this to
- * ever be placed in the stolen portion.
- */
if (dma_addr < mem->region.start || dma_addr > mem->region.end) {
drm_err(display->drm,
"Initial plane programming using invalid range, dma_addr=%pa (%s [%pa-%pa])\n",
@@ -107,42 +120,6 @@ initial_plane_phys_lmem(struct intel_display *display,
return true;
}
-static bool
-initial_plane_phys_smem(struct intel_display *display,
- struct intel_initial_plane_config *plane_config)
-{
- struct drm_i915_private *i915 = to_i915(display->drm);
- struct intel_memory_region *mem;
- u32 base;
-
- base = round_down(plane_config->base, I915_GTT_MIN_ALIGNMENT);
-
- mem = i915->mm.stolen_region;
- if (!mem) {
- drm_dbg_kms(display->drm,
- "Initial plane memory region not initialized\n");
- return false;
- }
-
- /* FIXME get and validate the dma_addr from the PTE */
- plane_config->phys_base = base;
- plane_config->mem = mem;
-
- return true;
-}
-
-static bool
-initial_plane_phys(struct intel_display *display,
- struct intel_initial_plane_config *plane_config)
-{
- struct drm_i915_private *i915 = to_i915(display->drm);
-
- if (IS_DGFX(i915) || HAS_LMEMBAR_SMEM_STOLEN(i915))
- return initial_plane_phys_lmem(display, plane_config);
- else
- return initial_plane_phys_smem(display, plane_config);
-}
-
static struct i915_vma *
initial_plane_vma(struct intel_display *display,
struct intel_initial_plane_config *plane_config)