From 0dc987b699ce4266450d407d6d79d41eab88c5d0 Mon Sep 17 00:00:00 2001 From: Juha-Pekka Heikkila Date: Fri, 10 Jun 2022 15:12:03 +0300 Subject: [PATCH] drm/i915/display: Add smem fallback allocation for dpt Add fallback smem allocation for dpt if stolen memory allocation failed. Signed-off-by: Juha-Pekka Heikkila Reviewed-by: Matthew Auld Signed-off-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20220610121205.29645-1-juhapekka.heikkila@gmail.com --- drivers/gpu/drm/i915/display/intel_dpt.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c index fb0e7e79e0cd..ac587647e1f5 100644 --- a/drivers/gpu/drm/i915/display/intel_dpt.c +++ b/drivers/gpu/drm/i915/display/intel_dpt.c @@ -4,6 +4,7 @@ */ #include "gem/i915_gem_domain.h" +#include "gem/i915_gem_internal.h" #include "gt/gen8_ppgtt.h" #include "i915_drv.h" @@ -127,8 +128,12 @@ struct i915_vma *intel_dpt_pin(struct i915_address_space *vm) struct i915_vma *vma; void __iomem *iomem; struct i915_gem_ww_ctx ww; + u64 pin_flags = 0; int err; + if (i915_gem_object_is_stolen(dpt->obj)) + pin_flags |= PIN_MAPPABLE; + wakeref = intel_runtime_pm_get(&i915->runtime_pm); atomic_inc(&i915->gpu_error.pending_fb_pin); @@ -138,7 +143,7 @@ struct i915_vma *intel_dpt_pin(struct i915_address_space *vm) continue; vma = i915_gem_object_ggtt_pin_ww(dpt->obj, &ww, NULL, 0, 4096, - HAS_LMEM(i915) ? 0 : PIN_MAPPABLE); + pin_flags); if (IS_ERR(vma)) { err = PTR_ERR(vma); continue; @@ -248,10 +253,13 @@ intel_dpt_create(struct intel_framebuffer *fb) size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE); - if (HAS_LMEM(i915)) - dpt_obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_CONTIGUOUS); - else + dpt_obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_CONTIGUOUS); + if (IS_ERR(dpt_obj) && i915_ggtt_has_aperture(to_gt(i915)->ggtt)) dpt_obj = i915_gem_object_create_stolen(i915, size); + if (IS_ERR(dpt_obj) && !HAS_LMEM(i915)) { + drm_dbg_kms(&i915->drm, "Allocating dpt from smem\n"); + dpt_obj = i915_gem_object_create_internal(i915, size); + } if (IS_ERR(dpt_obj)) return ERR_CAST(dpt_obj); -- 2.20.1