diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/crcc37d.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/crcc37d.c | 154 |
1 files changed, 154 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 000000000000..9afe9a87bde0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/crcc37d.c @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: MIT +#include <drm/drm_crtc.h> + +#include "crc.h" +#include "core.h" +#include "disp.h" +#include "head.h" + +#include <nvif/push507c.h> + +#include <nvhw/class/clc37d.h> + +#define CRCC37D_MAX_ENTRIES 2047 + +struct crcc37d_notifier { + u32 status; + + /* reserved */ + u32 :32; + u32 :32; + u32 :32; + u32 :32; + u32 :32; + u32 :32; + u32 :32; + + struct crcc37d_entry { + u32 status[2]; + u32 :32; /* reserved */ + u32 compositor_crc; + u32 rg_crc; + u32 output_crc[2]; + u32 :32; /* reserved */ + } entries[CRCC37D_MAX_ENTRIES]; +} __packed; + +static int +crcc37d_set_src(struct nv50_head *head, int or, + enum nv50_crc_source_type source, + struct nv50_crc_notifier_ctx *ctx, u32 wndw) +{ + 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, wndw) | + 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; +} + +static 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; +} + +static 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 = ¬ifier->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); +} + +static 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(¬ifier->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_MAX_ENTRIES - 30, + .num_entries = CRCC37D_MAX_ENTRIES, + .notifier_len = sizeof(struct crcc37d_notifier), +}; |