gpu: nvgpu: Remove the use of READ_ONLY for DMA API

READ_ONLY flag for dma API is a Tegra specific API. We use it only
to prevent accidental writes to non-secure ACR bootloader. Its use is
marginal, so remove the flag.

JIRA NVGPU-4

Change-Id: I887dc04aee8f7ace40220294851b210375dfde98
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1648174
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
index c57fba45..cffe7199 100644
--- a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
@@ -1348,8 +1348,7 @@ int pmu_exec_gen_bl(struct gk20a *g, void *desc, u8 b_wait_for_halt)
                 /*TODO in code verify that enable PMU is done,
                         scrubbing etc is done*/
                 /*TODO in code verify that gmmu vm init is done*/
-                err = nvgpu_dma_alloc_flags_sys(g,
-                                NVGPU_DMA_READ_ONLY, bl_sz, &acr->hsbl_ucode);
+                err = nvgpu_dma_alloc_sys(g, bl_sz, &acr->hsbl_ucode);
                 if (err) {
                         nvgpu_err(g, "failed to allocate memory");
                         goto err_done;