diff options
| -rw-r--r-- | payloads/libpayload/arch/arm64/mmu.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c index 553b2d5fc2..50e7f6cd17 100644 --- a/payloads/libpayload/arch/arm64/mmu.c +++ b/payloads/libpayload/arch/arm64/mmu.c @@ -655,18 +655,24 @@ static void mmu_add_fb_range(struct mmu_ranges *mmu_ranges) struct cb_framebuffer *framebuffer = lib_sysinfo.framebuffer; uint32_t fb_size; - /* - * Check whether framebuffer is needed - * or framebuffer address has been set already - */ + /* Check whether framebuffer is needed */ if (framebuffer == NULL) return; - if (framebuffer->physical_address) - return; + fb_size = framebuffer->bytes_per_line * framebuffer->y_resolution; if (!fb_size) return; + /* framebuffer address has been set already, so just add it as DMA */ + if (framebuffer->physical_address) { + if (mmu_add_memrange(mmu_ranges, + framebuffer->physical_address, + fb_size, + TYPE_DMA_MEM) == NULL) + mmu_error(); + return; + } + /* Allocate framebuffer */ fb_range = _mmu_add_fb_range(fb_size, mmu_ranges); if (fb_range == NULL) |