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freedreno: use MSM_BO_SCANOUT with scanout buffers

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Signed-off-by: Jonathan Marek <jonathan@marek.ca>
This commit is contained in:
Jonathan Marek 2018-11-19 16:02:15 -05:00 • committed by Rob Clark
parent 3ed4aad524
commit e68cd91251
3 changed files with 7 additions and 1 deletions
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1
src/freedreno/drm/freedreno_drmif.h
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@ -63,6 +63,7 @@ enum fd_param_id {
#define DRM_FREEDRENO_GEM_CACHE_WBACKWA 0x00800000
#define DRM_FREEDRENO_GEM_CACHE_MASK 0x00f00000
#define DRM_FREEDRENO_GEM_GPUREADONLY 0x01000000
#define DRM_FREEDRENO_GEM_SCANOUT 0x02000000
/* bo access flags: (keep aligned to MSM_PREP_x) */
#define DRM_FREEDRENO_PREP_READ 0x01

3
src/freedreno/drm/msm_bo.c
View file

@ -142,6 +142,9 @@ int msm_bo_new_handle(struct fd_device *dev,
};
int ret;
if (flags & DRM_FREEDRENO_GEM_SCANOUT)
req.flags |= MSM_BO_SCANOUT;
ret = drmCommandWriteRead(dev->fd, DRM_MSM_GEM_NEW,
&req, sizeof(req));
if (ret)

4
src/gallium/drivers/freedreno/freedreno_resource.c
View file

@ -99,7 +99,9 @@ realloc_bo(struct fd_resource *rsc, uint32_t size)
{
struct fd_screen *screen = fd_screen(rsc->base.screen);
uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
DRM_FREEDRENO_GEM_TYPE_KMEM |
COND(rsc->base.bind & PIPE_BIND_SCANOUT, DRM_FREEDRENO_GEM_SCANOUT);
/* TODO other flags? */
/* if we start using things other than write-combine,
* be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT