Align framebuffers in memory according to hw requirements instead of
default page size alignment.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
drivers/gpu/drm/xe/display/xe_fb_pin.c | 57 ++++++++++++++++----------
1 file changed, 35 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/xe/display/xe_fb_pin.c
b/drivers/gpu/drm/xe/display/xe_fb_pin.c
index 79dbbbe03c7f..761510ae0690 100644
--- a/drivers/gpu/drm/xe/display/xe_fb_pin.c
+++ b/drivers/gpu/drm/xe/display/xe_fb_pin.c
@@ -79,7 +79,8 @@ write_dpt_remapped(struct xe_bo *bo, struct iosys_map *map,
u32 *dpt_ofs,
static int __xe_pin_fb_vma_dpt(const struct intel_framebuffer *fb,
const struct i915_gtt_view *view,
- struct i915_vma *vma)
+ struct i915_vma *vma,
+ u64 physical_alignment)
{
struct xe_device *xe = to_xe_device(fb->base.dev);
struct xe_tile *tile0 = xe_device_get_root_tile(xe);
@@ -99,23 +100,29 @@ static int __xe_pin_fb_vma_dpt(const struct
intel_framebuffer *fb,
XE_PAGE_SIZE);
if (IS_DGFX(xe))
- dpt = xe_bo_create_pin_map(xe, tile0, NULL, dpt_size,
- ttm_bo_type_kernel,
- XE_BO_FLAG_VRAM0 |
- XE_BO_FLAG_GGTT |
- XE_BO_FLAG_PAGETABLE);
+ dpt = xe_bo_create_pin_map_at_aligned(xe, tile0, NULL,
+ dpt_size, ~0ull,
+ ttm_bo_type_kernel,
+ XE_BO_FLAG_VRAM0 |
+ XE_BO_FLAG_GGTT |
+ XE_BO_FLAG_PAGETABLE,
+ physical_alignment);
else
- dpt = xe_bo_create_pin_map(xe, tile0, NULL, dpt_size,
- ttm_bo_type_kernel,
- XE_BO_FLAG_STOLEN |
- XE_BO_FLAG_GGTT |
- XE_BO_FLAG_PAGETABLE);
+ dpt = xe_bo_create_pin_map_at_aligned(xe, tile0, NULL,
+ dpt_size, ~0ull,
+ ttm_bo_type_kernel,
+ XE_BO_FLAG_STOLEN |
+ XE_BO_FLAG_GGTT |
+ XE_BO_FLAG_PAGETABLE,
+ physical_alignment);
if (IS_ERR(dpt))
- dpt = xe_bo_create_pin_map(xe, tile0, NULL, dpt_size,
- ttm_bo_type_kernel,
- XE_BO_FLAG_SYSTEM |
- XE_BO_FLAG_GGTT |
- XE_BO_FLAG_PAGETABLE);
+ dpt = xe_bo_create_pin_map_at_aligned(xe, tile0, NULL,
+ dpt_size, ~0ull,
+ ttm_bo_type_kernel,
+ XE_BO_FLAG_SYSTEM |
+ XE_BO_FLAG_GGTT |
+ XE_BO_FLAG_PAGETABLE,
+ physical_alignment);
if (IS_ERR(dpt))
return PTR_ERR(dpt);
@@ -184,7 +191,8 @@ write_ggtt_rotated(struct xe_bo *bo, struct xe_ggtt *ggtt,
u32 *ggtt_ofs, u32 bo
static int __xe_pin_fb_vma_ggtt(const struct intel_framebuffer *fb,
const struct i915_gtt_view *view,
- struct i915_vma *vma)
+ struct i915_vma *vma,
+ u64 physical_alignment)
{
struct drm_gem_object *obj = intel_fb_bo(&fb->base);
struct xe_bo *bo = gem_to_xe_bo(obj);
@@ -266,7 +274,8 @@ static int __xe_pin_fb_vma_ggtt(const struct
intel_framebuffer *fb,
}
static struct i915_vma *__xe_pin_fb_vma(const struct intel_framebuffer *fb,
- const struct i915_gtt_view *view)
+ const struct i915_gtt_view *view,
+ u64 physical_alignment)
{
struct drm_device *dev = fb->base.dev;
struct xe_device *xe = to_xe_device(dev);
@@ -315,9 +324,9 @@ static struct i915_vma *__xe_pin_fb_vma(const struct
intel_framebuffer *fb,
vma->bo = bo;
if (intel_fb_uses_dpt(&fb->base))
- ret = __xe_pin_fb_vma_dpt(fb, view, vma);
+ ret = __xe_pin_fb_vma_dpt(fb, view, vma, physical_alignment);
else
- ret = __xe_pin_fb_vma_ggtt(fb, view, vma);
+ ret = __xe_pin_fb_vma_ggtt(fb, view, vma, physical_alignment);
if (ret)
goto err_unpin;
@@ -358,7 +367,7 @@ intel_fb_pin_to_ggtt(const struct drm_framebuffer *fb,
{
*out_flags = 0;
- return __xe_pin_fb_vma(to_intel_framebuffer(fb), view);
+ return __xe_pin_fb_vma(to_intel_framebuffer(fb), view, phys_alignment);
}
void intel_fb_unpin_vma(struct i915_vma *vma, unsigned long flags)
@@ -372,11 +381,15 @@ int intel_plane_pin_fb(struct intel_plane_state
*plane_state)
struct drm_gem_object *obj = intel_fb_bo(fb);
struct xe_bo *bo = gem_to_xe_bo(obj);
struct i915_vma *vma;
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+ u64 phys_alignment = plane->min_alignment(plane, fb, 0);
/* We reject creating !SCANOUT fb's, so this is weird.. */
drm_WARN_ON(bo->ttm.base.dev, !(bo->flags & XE_BO_FLAG_SCANOUT));
- vma = __xe_pin_fb_vma(to_intel_framebuffer(fb), &plane_state->view.gtt);
+ vma = __xe_pin_fb_vma(intel_fb, &plane_state->view.gtt, phys_alignment);
+
if (IS_ERR(vma))
return PTR_ERR(vma);
--
2.45.2
