diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4566-drm-amdgpu-Use-GTT-for-dumb-buffer-if-sg-display-ena.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4566-drm-amdgpu-Use-GTT-for-dumb-buffer-if-sg-display-ena.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4566-drm-amdgpu-Use-GTT-for-dumb-buffer-if-sg-display-ena.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4566-drm-amdgpu-Use-GTT-for-dumb-buffer-if-sg-display-ena.patch new file mode 100644 index 00000000..cfe608fe --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4566-drm-amdgpu-Use-GTT-for-dumb-buffer-if-sg-display-ena.patch @@ -0,0 +1,60 @@ +From 51a0c473e5a12afd8529c2fe0b11625a174aa69a Mon Sep 17 00:00:00 2001 +From: Deepak Sharma <Deepak.Sharma@amd.com> +Date: Tue, 22 May 2018 15:31:23 -0700 +Subject: [PATCH 4566/5725] drm/amdgpu: Use GTT for dumb buffer if sg display + enabled (v2) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When vram size <= THRESHOLD(256M) lets use GTT for dumb buffer +allocation. As SG will be enabled with vram size <= 256M +scan out will not be an issue. + +v2: Use amdgpu_display_supported_domains to get supported domain. + +Signed-off-by: Deepak Sharma <Deepak.Sharma@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +index 6c41cf9..2f4a6a7 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +@@ -30,6 +30,7 @@ + #include <drm/drmP.h> + #include <drm/amdgpu_drm.h> + #include "amdgpu.h" ++#include "amdgpu_display.h" + + void amdgpu_gem_object_free(struct drm_gem_object *gobj) + { +@@ -900,15 +901,20 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, + struct amdgpu_device *adev = dev->dev_private; + struct drm_gem_object *gobj; + uint32_t handle; ++ u32 domain = amdgpu_display_supported_domains(adev); + int r; + + args->pitch = amdgpu_align_pitch(adev, args->width, + DIV_ROUND_UP(args->bpp, 8), 0); + args->size = (u64)args->pitch * args->height; + args->size = ALIGN(args->size, PAGE_SIZE); ++ if (domain == (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) { ++ domain = AMDGPU_GEM_DOMAIN_VRAM; ++ if (adev->gmc.real_vram_size <= AMDGPU_SG_THRESHOLD) ++ domain = AMDGPU_GEM_DOMAIN_GTT; ++ } + +- r = amdgpu_gem_object_create(adev, args->size, 0, +- AMDGPU_GEM_DOMAIN_VRAM, ++ r = amdgpu_gem_object_create(adev, args->size, 0, domain, + AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, + false, NULL, &gobj); + if (r) +-- +2.7.4 + |