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path: root/drivers/gpu/drm/nouveau/dispnv50/crc.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/crc.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/crc.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c
index 29428e770f14..deb6af40ef32 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/crc.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c
@@ -1,5 +1,7 @@
// SPDX-License-Identifier: MIT
+#include <linux/debugfs.h>
#include <linux/string.h>
+
#include <drm/drm_crtc.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_vblank.h>
@@ -390,9 +392,18 @@ void nv50_crc_atomic_check_outp(struct nv50_atom *atom)
struct nv50_head_atom *armh = nv50_head_atom(old_crtc_state);
struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state);
struct nv50_outp_atom *outp_atom;
- struct nouveau_encoder *outp =
- nv50_real_outp(nv50_head_atom_get_encoder(armh));
- struct drm_encoder *encoder = &outp->base.base;
+ struct nouveau_encoder *outp;
+ struct drm_encoder *encoder, *enc;
+
+ enc = nv50_head_atom_get_encoder(armh);
+ if (!enc)
+ continue;
+
+ outp = nv50_real_outp(enc);
+ if (!outp)
+ continue;
+
+ encoder = &outp->base.base;
if (!asyh->clr.crc)
continue;
@@ -443,10 +454,18 @@ void nv50_crc_atomic_set(struct nv50_head *head,
struct drm_device *dev = crtc->dev;
struct nv50_crc *crc = &head->crc;
const struct nv50_crc_func *func = nv50_disp(dev)->core->func->crc;
- struct nouveau_encoder *outp =
- nv50_real_outp(nv50_head_atom_get_encoder(asyh));
+ struct nouveau_encoder *outp;
+ struct drm_encoder *encoder;
- func->set_src(head, outp->or, nv50_crc_source_type(outp, asyh->crc.src),
+ encoder = nv50_head_atom_get_encoder(asyh);
+ if (!encoder)
+ return;
+
+ outp = nv50_real_outp(encoder);
+ if (!outp)
+ return;
+
+ func->set_src(head, outp->outp.or.id, nv50_crc_source_type(outp, asyh->crc.src),
&crc->ctx[crc->ctx_idx]);
}
@@ -490,6 +509,10 @@ nv50_crc_ctx_init(struct nv50_head *head, struct nvif_mmu *mmu,
if (ret)
return ret;
+ /* No CTXDMAs on Blackwell. */
+ if (core->chan.base.user.oclass >= GB202_DISP_CORE_CHANNEL_DMA)
+ return 0;
+
ret = nvif_object_ctor(&core->chan.base.user, "kmsCrcNtfyCtxDma",
NV50_DISP_HANDLE_CRC_CTX(head, idx),
NV_DMA_IN_MEMORY,