diff options
Diffstat (limited to 'kernel/gsp_rm_emulation.c')
| -rw-r--r-- | kernel/gsp_rm_emulation.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/gsp_rm_emulation.c b/kernel/gsp_rm_emulation.c index 48e91dd..bb74767 100644 --- a/kernel/gsp_rm_emulation.c +++ b/kernel/gsp_rm_emulation.c @@ -19,6 +19,7 @@ #include "gsp_sema_service.h" #include "gsp_phys_booter.h" #include "gsp_phys_gpu.h" +#include "gsp_display_engine.h" /* ============================================================ * Guest-memory access ("virtual DMA" on behalf of the device) @@ -3423,6 +3424,22 @@ static void gsp_rm_handle_rm_alloc(struct gsp_emu_context *ctx, gsp_rm_register_channel(ctx, ho, params, params_size); /* + * r1621: display channel objects (core 0xc57d, window 0xc57e, cursor + * 0xc57b, cursor-PIO base 0xc57a). Record class+instance -> hObject + * so the display engine can post the completion event the driver + * registered on the channel and name the channel in diagnostics. + * instance is the first u32 of both the DMA and PIO alloc params. + */ + if ((class_id == 0xc57d || class_id == 0xc57e || + class_id == 0xc57b || class_id == 0xc57a) && + params_size >= 4) { + u32 inst = 0; + + memcpy(&inst, params, 4); + gsp_disp_engine_note_object(ctx->vgpu, class_id, inst, ho); + } + + /* * NV01_EVENT (params are NV0005_ALLOC_PARAMETERS {hParentClient, * hSrcResource, hClass, notifyIndex, data}). The driver allocates one * per channel and waits for the GPU to post the event before it @@ -4372,6 +4389,41 @@ static void gsp_rm_handle_rm_control(struct gsp_emu_context *ctx, reply + GSP_RM_CTRL_HDR_SIZE, &out_params_size); break; + case TU104_CTRL_INTERNAL_DISPLAY_CHANNEL_PUSHBUFFER: { + /* + * r1621: the kernel RM programs each display channel's push + * buffer through this internal control right after the channel + * object is allocated. It carries the guest-physical push- + * buffer address, its size and the display class/instance - the + * exact inputs the host-side EVO engine needs (see + * gsp_display_engine.c). The reply stays a verbatim echo. + */ + const u8 *pp = req_data + GSP_RM_CTRL_HDR_SIZE; + u8 *rp = reply + GSP_RM_CTRL_HDR_SIZE; + + if (req.paramsSize >= 52 && + req.paramsSize + GSP_RM_CTRL_HDR_SIZE <= + GSPRM_MAX_SINGLE_ELEM_DATA) { + u32 address_space = 0, hclass = 0, instance = 0; + u32 valid = 0; + u64 pa = 0, limit = 0; + + memcpy(&address_space, pp + 0, 4); + memcpy(&pa, pp + 8, 8); + memcpy(&limit, pp + 16, 8); + memcpy(&hclass, pp + 28, 4); + memcpy(&instance, pp + 32, 4); + memcpy(&valid, pp + 36, 4); + memcpy(rp, pp, req.paramsSize); + gsp_disp_engine_channel_add(ctx->vgpu, hclass, instance, + pa, limit, address_space, + valid != 0); + } + out_status = 0; + out_params_size = req.paramsSize; + break; + } + case 0x801707: /* NV0080_CTRL_CMD_FIFO_GET_ENGINE_CONTEXT_PROPERTIES */ gsp_rm_handle_fifo_engine_ctx_props(ctx, req_data + GSP_RM_CTRL_HDR_SIZE, req.paramsSize, |