Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c b/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c
new file mode 100644
index 000000000..f10f6c484
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: MIT
+#include <drm/drm_crtc.h>
+
+#include "crc.h"
+#include "crcc37d.h"
+#include "core.h"
+#include "disp.h"
+#include "head.h"
+
+#include <nvif/pushc37b.h>
+
+#include <nvhw/class/clc37d.h>
+
+static int
+crcc37d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,
+		struct nv50_crc_notifier_ctx *ctx)
+{
+	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
+	const int i = head->base.index;
+	u32 crc_args = NVVAL(NVC37D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, i * 4) |
+		       NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
+		       NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
+		       NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
+	int ret;
+
+	switch (source) {
+	case NV50_CRC_SOURCE_TYPE_SOR:
+		crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
+		break;
+	case NV50_CRC_SOURCE_TYPE_PIOR:
+		crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, PIOR(or));
+		break;
+	case NV50_CRC_SOURCE_TYPE_SF:
+		crc_args |= NVDEF(NVC37D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
+		break;
+	default:
+		break;
+	}
+
+	if ((ret = PUSH_WAIT(push, 4)))
+		return ret;
+
+	if (source) {
+		PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
+		PUSH_MTHD(push, NVC37D, HEAD_SET_CRC_CONTROL(i), crc_args);
+	} else {
+		PUSH_MTHD(push, NVC37D, HEAD_SET_CRC_CONTROL(i), 0);
+		PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
+	}
+
+	return 0;
+}
+
+int crcc37d_set_ctx(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx)
+{
+	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
+	const int i = head->base.index;
+	int ret;
+
+	if ((ret = PUSH_WAIT(push, 2)))
+		return ret;
+
+	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx ? ctx->ntfy.handle : 0);
+	return 0;
+}
+
+u32 crcc37d_get_entry(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx,
+		      enum nv50_crc_source source, int idx)
+{
+	struct crcc37d_notifier __iomem *notifier = ctx->mem.object.map.ptr;
+	struct crcc37d_entry __iomem *entry = &notifier->entries[idx];
+	u32 __iomem *crc_addr;
+
+	if (source == NV50_CRC_SOURCE_RG)
+		crc_addr = &entry->rg_crc;
+	else
+		crc_addr = &entry->output_crc[0];
+
+	return ioread32_native(crc_addr);
+}
+
+bool crcc37d_ctx_finished(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx)
+{
+	struct nouveau_drm *drm = nouveau_drm(head->base.base.dev);
+	struct crcc37d_notifier __iomem *notifier = ctx->mem.object.map.ptr;
+	const u32 status = ioread32_native(&notifier->status);
+	const u32 overflow = status & 0x0000007e;
+
+	if (!(status & 0x00000001))
+		return false;
+
+	if (overflow) {
+		const char *engine = NULL;
+
+		switch (overflow) {
+		case 0x00000004: engine = "Front End"; break;
+		case 0x00000008: engine = "Compositor"; break;
+		case 0x00000010: engine = "RG"; break;
+		case 0x00000020: engine = "CRC output 1"; break;
+		case 0x00000040: engine = "CRC output 2"; break;
+		}
+
+		if (engine)
+			NV_ERROR(drm,
+				 "CRC notifier context for head %d overflowed on %s: %x\n",
+				 head->base.index, engine, status);
+		else
+			NV_ERROR(drm,
+				 "CRC notifier context for head %d overflowed: %x\n",
+				 head->base.index, status);
+	}
+
+	NV_DEBUG(drm, "Head %d CRC context status: %x\n",
+		 head->base.index, status);
+
+	return true;
+}
+
+const struct nv50_crc_func crcc37d = {
+	.set_src = crcc37d_set_src,
+	.set_ctx = crcc37d_set_ctx,
+	.get_entry = crcc37d_get_entry,
+	.ctx_finished = crcc37d_ctx_finished,
+	.flip_threshold = CRCC37D_FLIP_THRESHOLD,
+	.num_entries = CRCC37D_MAX_ENTRIES,
+	.notifier_len = sizeof(struct crcc37d_notifier),
+};