diff options
| author | Deepak Sharma <Deepak.Sharma@amd.com> | 2018-05-22 15:31:23 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-29 13:17:35 -0500 |
| commit | bda31a24dc5c03fd76832c4d672fba8355e3aa44 (patch) | |
| tree | 0ee8b4309e6a5b7de95eaa96183a6eddb529351f /drivers/gpu | |
| parent | 7bee0572e31f1f5963ecc19d55f64f384d0b155b (diff) | |
drm/amdgpu: Use GTT for dumb buffer if sg display enabled (v2)
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 10 |
1 files 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 2c8e27370284..63758db5e2ea 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) { @@ -749,15 +750,20 @@ 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) |