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Diffstat (limited to 'drivers/gpu/drm/msm')
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c14
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c6
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h4
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c22
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c2
-rw-r--r--drivers/gpu/drm/msm/msm_gem_submit.c18
-rw-r--r--drivers/gpu/drm/msm/msm_ringbuffer.c3
7 files changed, 25 insertions, 44 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index a18126150e11..686a580c711a 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -213,7 +213,14 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
void adreno_flush(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
- uint32_t wptr = get_wptr(gpu->rb);
+ uint32_t wptr;
+
+ /*
+ * Mask wptr value that we calculate to fit in the HW range. This is
+ * to account for the possibility that the last command fit exactly into
+ * the ringbuffer and rb->next hasn't wrapped to zero yet
+ */
+ wptr = get_wptr(gpu->rb) & ((gpu->rb->size / 4) - 1);
/* ensure writes to ringbuffer have hit system memory: */
mb();
@@ -338,7 +345,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
{
struct adreno_platform_config *config = pdev->dev.platform_data;
struct msm_gpu *gpu = &adreno_gpu->base;
- struct msm_mmu *mmu;
int ret;
adreno_gpu->funcs = funcs;
@@ -378,8 +384,8 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
return ret;
}
- mmu = gpu->aspace->mmu;
- if (mmu) {
+ if (gpu->aspace && gpu->aspace->mmu) {
+ struct msm_mmu *mmu = gpu->aspace->mmu;
ret = mmu->funcs->attach(mmu, iommu_ports,
ARRAY_SIZE(iommu_ports));
if (ret)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 5f6cd8745dbc..c396d459a9d0 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -119,13 +119,7 @@ static void mdp5_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *st
static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state)
{
- int i;
struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
- struct drm_plane *plane;
- struct drm_plane_state *plane_state;
-
- for_each_plane_in_state(state, plane, plane_state, i)
- mdp5_plane_complete_commit(plane, plane_state);
if (mdp5_kms->smp)
mdp5_smp_complete_commit(mdp5_kms->smp, &mdp5_kms->state->smp);
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
index 17b0cc101171..cdfc63d90c7b 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
@@ -104,8 +104,6 @@ struct mdp5_plane_state {
/* assigned by crtc blender */
enum mdp_mixer_stage_id stage;
-
- bool pending : 1;
};
#define to_mdp5_plane_state(x) \
container_of(x, struct mdp5_plane_state, base)
@@ -232,8 +230,6 @@ int mdp5_irq_domain_init(struct mdp5_kms *mdp5_kms);
void mdp5_irq_domain_fini(struct mdp5_kms *mdp5_kms);
uint32_t mdp5_plane_get_flush(struct drm_plane *plane);
-void mdp5_plane_complete_commit(struct drm_plane *plane,
- struct drm_plane_state *state);
enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane);
struct drm_plane *mdp5_plane_init(struct drm_device *dev, bool primary);
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index c099da7bc212..25d9d0a97156 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -179,7 +179,6 @@ mdp5_plane_atomic_print_state(struct drm_printer *p,
drm_printf(p, "\tzpos=%u\n", pstate->zpos);
drm_printf(p, "\talpha=%u\n", pstate->alpha);
drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage));
- drm_printf(p, "\tpending=%u\n", pstate->pending);
}
static void mdp5_plane_reset(struct drm_plane *plane)
@@ -220,8 +219,6 @@ mdp5_plane_duplicate_state(struct drm_plane *plane)
if (mdp5_state && mdp5_state->base.fb)
drm_framebuffer_reference(mdp5_state->base.fb);
- mdp5_state->pending = false;
-
return &mdp5_state->base;
}
@@ -288,13 +285,6 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane,
DBG("%s: check (%d -> %d)", plane->name,
plane_enabled(old_state), plane_enabled(state));
- /* We don't allow faster-than-vblank updates.. if we did add this
- * some day, we would need to disallow in cases where hwpipe
- * changes
- */
- if (WARN_ON(to_mdp5_plane_state(old_state)->pending))
- return -EBUSY;
-
max_width = config->hw->lm.max_width << 16;
max_height = config->hw->lm.max_height << 16;
@@ -370,12 +360,9 @@ static void mdp5_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_plane_state *state = plane->state;
- struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
DBG("%s: update", plane->name);
- mdp5_state->pending = true;
-
if (plane_enabled(state)) {
int ret;
@@ -851,15 +838,6 @@ uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
return pstate->hwpipe->flush_mask;
}
-/* called after vsync in thread context */
-void mdp5_plane_complete_commit(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state);
-
- pstate->pending = false;
-}
-
/* initialize plane */
struct drm_plane *mdp5_plane_init(struct drm_device *dev, bool primary)
{
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index d8bc59c7e261..8098677a3916 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -294,6 +294,8 @@ put_iova(struct drm_gem_object *obj)
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
for (id = 0; id < ARRAY_SIZE(msm_obj->domain); id++) {
+ if (!priv->aspace[id])
+ continue;
msm_gem_unmap_vma(priv->aspace[id],
&msm_obj->domain[id], msm_obj->sgt);
}
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index 166e84e4f0d4..489676568a10 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -106,7 +106,8 @@ static int submit_lookup_objects(struct msm_gem_submit *submit,
pagefault_disable();
}
- if (submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) {
+ if ((submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) ||
+ !(submit_bo.flags & MSM_SUBMIT_BO_FLAGS)) {
DRM_ERROR("invalid flags: %x\n", submit_bo.flags);
ret = -EINVAL;
goto out_unlock;
@@ -290,7 +291,7 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob
{
uint32_t i, last_offset = 0;
uint32_t *ptr;
- int ret;
+ int ret = 0;
if (offset % 4) {
DRM_ERROR("non-aligned cmdstream buffer: %u\n", offset);
@@ -318,12 +319,13 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob
ret = copy_from_user(&submit_reloc, userptr, sizeof(submit_reloc));
if (ret)
- return -EFAULT;
+ goto out;
if (submit_reloc.submit_offset % 4) {
DRM_ERROR("non-aligned reloc offset: %u\n",
submit_reloc.submit_offset);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
/* offset in dwords: */
@@ -332,12 +334,13 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob
if ((off >= (obj->base.size / 4)) ||
(off < last_offset)) {
DRM_ERROR("invalid offset %u at reloc %u\n", off, i);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
ret = submit_bo(submit, submit_reloc.reloc_idx, NULL, &iova, &valid);
if (ret)
- return ret;
+ goto out;
if (valid)
continue;
@@ -354,9 +357,10 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob
last_offset = off;
}
+out:
msm_gem_put_vaddr_locked(&obj->base);
- return 0;
+ return ret;
}
static void submit_cleanup(struct msm_gem_submit *submit)
diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c
index f326cf6a32e6..67b34e069abf 100644
--- a/drivers/gpu/drm/msm/msm_ringbuffer.c
+++ b/drivers/gpu/drm/msm/msm_ringbuffer.c
@@ -23,7 +23,8 @@ struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int size)
struct msm_ringbuffer *ring;
int ret;
- size = ALIGN(size, 4); /* size should be dword aligned */
+ if (WARN_ON(!is_power_of_2(size)))
+ return ERR_PTR(-EINVAL);
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring) {