openwrt/target/linux/bcm27xx/patches-5.15/950-0906-drm-vc4-crtc-Move-the-BO-handling-out-of-common-page.patch
John Audia a34255b795 kernel: bump 5.15 to 5.15.75
Removed upstreamed:
   bcm27xx/patches-5.15/950-0446-drm-vc4-Fix-timings-for-VEC-modes.patch[1]

Manually rebased:
   patches-5.15/950-0600-xhci-quirks-add-link-TRB-quirk-for-VL805.patch
   bcm27xx/patches-5.15/950-0606-usb-xhci-add-VLI_TRB_CACHE_BUG-quirk.patch
   bcm27xx/patches-5.15/950-0717-usb-xhci-add-a-quirk-for-Superspeed-bulk-OUT-transfe.patch
   bcm53xx/patches-5.15/180-usb-xhci-add-support-for-performing-fake-doorbell.patch

All other patches automatically rebased

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.75&id=2810061452f9b748b096ad023d318690ca519aa3

Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200

Signed-off-by: John Audia <therealgraysky@proton.me>
2022-10-30 17:54:59 +01:00

69 lines
2.2 KiB
Diff

From e2b51ac3278847aa79089b4a1b94b8d762af0052 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 2 May 2022 15:25:20 +0200
Subject: [PATCH] drm/vc4: crtc: Move the BO handling out of common
page-flip callback
We'll soon introduce another completion callback source that won't need
to use the BO reference counting, so let's move it around to create a
function we will be able to share between both callbacks.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 34 ++++++++++++++++++++--------------
1 file changed, 20 insertions(+), 14 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -830,21 +830,8 @@ vc4_async_page_flip_complete(struct vc4_
drm_crtc_vblank_put(crtc);
drm_framebuffer_put(flip_state->fb);
- /* Decrement the BO usecnt in order to keep the inc/dec calls balanced
- * when the planes are updated through the async update path.
- * FIXME: we should move to generic async-page-flip when it's
- * available, so that we can get rid of this hand-made cleanup_fb()
- * logic.
- */
- if (flip_state->old_fb) {
- struct drm_gem_cma_object *cma_bo;
- struct vc4_bo *bo;
-
- cma_bo = drm_fb_cma_get_gem_obj(flip_state->old_fb, 0);
- bo = to_vc4_bo(&cma_bo->base);
- vc4_bo_dec_usecnt(bo);
+ if (flip_state->old_fb)
drm_framebuffer_put(flip_state->old_fb);
- }
kfree(flip_state);
}
@@ -853,8 +840,27 @@ static void vc4_async_page_flip_seqno_co
{
struct vc4_async_flip_state *flip_state =
container_of(cb, struct vc4_async_flip_state, cb.seqno);
+ struct vc4_bo *bo = NULL;
+
+ if (flip_state->old_fb) {
+ struct drm_gem_cma_object *cma_bo =
+ drm_fb_cma_get_gem_obj(flip_state->old_fb, 0);
+ bo = to_vc4_bo(&cma_bo->base);
+ }
vc4_async_page_flip_complete(flip_state);
+
+ /*
+ * Decrement the BO usecnt in order to keep the inc/dec
+ * calls balanced when the planes are updated through
+ * the async update path.
+ *
+ * FIXME: we should move to generic async-page-flip when
+ * it's available, so that we can get rid of this
+ * hand-made cleanup_fb() logic.
+ */
+ if (bo)
+ vc4_bo_dec_usecnt(bo);
}
static void vc4_async_page_flip_fence_complete(struct dma_fence *fence,