From: Harry Wentland <harry.wentland@amd.com>
Date: Wed, 13 Sep 2017 15:17:19 -0400
Subject: Revert "drm/amdgpu: Pulling old prepare and submit for flip back"
Git-commit: 5f42aa394e50e4993ec370aca4bb36c3b6a81a60
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
This reverts commit 0eb4667a073e.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 138 +++++-----------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 15 ---
2 files changed, 29 insertions(+), 124 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -138,52 +138,11 @@ static void amdgpu_unpin_work_func(struc
kfree(work);
}
-
-static void amdgpu_flip_work_cleanup(struct amdgpu_flip_work *work)
-{
- int i;
-
- amdgpu_bo_unref(&work->old_abo);
- dma_fence_put(work->excl);
- for (i = 0; i < work->shared_count; ++i)
- dma_fence_put(work->shared[i]);
- kfree(work->shared);
- kfree(work);
-}
-
-static void amdgpu_flip_cleanup_unreserve(struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo)
-{
- amdgpu_bo_unreserve(new_abo);
- amdgpu_flip_work_cleanup(work);
-}
-
-static void amdgpu_flip_cleanup_unpin(struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo)
-{
- if (unlikely(amdgpu_bo_unpin(new_abo) != 0))
- DRM_ERROR("failed to unpin new abo in error path\n");
- amdgpu_flip_cleanup_unreserve(work, new_abo);
-}
-
-void amdgpu_crtc_cleanup_flip_ctx(struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo)
-{
- if (unlikely(amdgpu_bo_reserve(new_abo, true) != 0)) {
- DRM_ERROR("failed to reserve new abo in error path\n");
- amdgpu_flip_work_cleanup(work);
- return;
- }
- amdgpu_flip_cleanup_unpin(work, new_abo);
-}
-
-int amdgpu_crtc_prepare_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags,
- uint32_t target,
- struct amdgpu_flip_work **work_p,
- struct amdgpu_bo **new_abo_p)
+int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags, uint32_t target,
+ struct drm_modeset_acquire_ctx *ctx)
{
struct drm_device *dev = crtc->dev;
struct amdgpu_device *adev = dev->dev_private;
@@ -196,7 +155,7 @@ int amdgpu_crtc_prepare_flip(struct drm_
unsigned long flags;
u64 tiling_flags;
u64 base;
- int r;
+ int i, r;
work = kzalloc(sizeof *work, GFP_KERNEL);
if (work == NULL)
@@ -257,80 +216,41 @@ int amdgpu_crtc_prepare_flip(struct drm_
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
r = -EBUSY;
goto pflip_cleanup;
-
}
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
-
- *work_p = work;
- *new_abo_p = new_abo;
-
- return 0;
-
-pflip_cleanup:
- amdgpu_crtc_cleanup_flip_ctx(work, new_abo);
- return r;
-
-unpin:
- amdgpu_flip_cleanup_unpin(work, new_abo);
- return r;
-
-unreserve:
- amdgpu_flip_cleanup_unreserve(work, new_abo);
- return r;
-cleanup:
- amdgpu_flip_work_cleanup(work);
- return r;
-
-}
-
-void amdgpu_crtc_submit_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo)
-{
- unsigned long flags;
- struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
-
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
amdgpu_crtc->pflip_status = AMDGPU_FLIP_PENDING;
amdgpu_crtc->pflip_works = work;
+
+ DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n",
+ amdgpu_crtc->crtc_id, amdgpu_crtc, work);
/* update crtc fb */
crtc->primary->fb = fb;
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
-
- DRM_DEBUG_DRIVER(
- "crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n",
- amdgpu_crtc->crtc_id, amdgpu_crtc, work);
-
amdgpu_flip_work_func(&work->flip_work.work);
-}
-
-int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags,
- uint32_t target,
- struct drm_modeset_acquire_ctx *ctx)
-{
- struct amdgpu_bo *new_abo;
- struct amdgpu_flip_work *work;
- int r;
+ return 0;
- r = amdgpu_crtc_prepare_flip(crtc,
- fb,
- event,
- page_flip_flags,
- target,
- &work,
- &new_abo);
- if (r)
- return r;
+pflip_cleanup:
+ if (unlikely(amdgpu_bo_reserve(new_abo, false) != 0)) {
+ DRM_ERROR("failed to reserve new abo in error path\n");
+ goto cleanup;
+ }
+unpin:
+ if (unlikely(amdgpu_bo_unpin(new_abo) != 0)) {
+ DRM_ERROR("failed to unpin new abo in error path\n");
+ }
+unreserve:
+ amdgpu_bo_unreserve(new_abo);
- amdgpu_crtc_submit_flip(crtc, fb, work, new_abo);
+cleanup:
+ amdgpu_bo_unref(&work->old_abo);
+ dma_fence_put(work->excl);
+ for (i = 0; i < work->shared_count; ++i)
+ dma_fence_put(work->shared[i]);
+ kfree(work->shared);
+ kfree(work);
- return 0;
+ return r;
}
int amdgpu_crtc_set_config(struct drm_mode_set *set,
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -670,21 +670,6 @@ int amdgpu_crtc_page_flip_target(struct
struct drm_pending_vblank_event *event,
uint32_t page_flip_flags, uint32_t target,
struct drm_modeset_acquire_ctx *ctx);
-void amdgpu_crtc_cleanup_flip_ctx(struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo);
-int amdgpu_crtc_prepare_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags,
- uint32_t target,
- struct amdgpu_flip_work **work,
- struct amdgpu_bo **new_abo);
-
-void amdgpu_crtc_submit_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct amdgpu_flip_work *work,
- struct amdgpu_bo *new_abo);
-
extern const struct drm_mode_config_funcs amdgpu_mode_funcs;
#endif