| 263,10 → 263,10 |
|---|
| case ATOM_ARG_FB: |
| idx = U8(*ptr); |
| (*ptr)++; |
| val = gctx->scratch[((gctx->fb_base + idx) / 4)]; |
| if (print) |
| DEBUG("FB[0x%02X]", idx); |
| printk(KERN_INFO "FB access is not implemented.\n"); |
| return 0; |
| break; |
| case ATOM_ARG_IMM: |
| switch (align) { |
| case ATOM_SRC_DWORD: |
| 488,9 → 488,9 |
|---|
| case ATOM_ARG_FB: |
| idx = U8(*ptr); |
| (*ptr)++; |
| gctx->scratch[((gctx->fb_base + idx) / 4)] = val; |
| DEBUG("FB[0x%02X]", idx); |
| printk(KERN_INFO "FB access is not implemented.\n"); |
| return; |
| break; |
| case ATOM_ARG_PLL: |
| idx = U8(*ptr); |
| (*ptr)++; |
| 1214,3 → 1214,28 |
|---|
| *crev = CU8(idx + 3); |
| return; |
| } |
| |
| int atom_allocate_fb_scratch(struct atom_context *ctx) |
| { |
| int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); |
| uint16_t data_offset; |
| int usage_bytes; |
| struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; |
| |
| atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset); |
| |
| firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); |
| |
| DRM_DEBUG("atom firmware requested %08x %dkb\n", |
| firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware, |
| firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb); |
| |
| usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024; |
| if (usage_bytes == 0) |
| usage_bytes = 20 * 1024; |
| /* allocate some scratch memory */ |
| ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); |
| if (!ctx->scratch) |
| return -ENOMEM; |
| return 0; |
| } |