From: Lizhi Hou Date: Wed, 4 Jun 2025 14:32:17 +0000 (-0700) Subject: accel/amdxdna: Fix incorrect PSP firmware size X-Git-Tag: v6.16-rc2~9^2^2~7 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=779a0c9e06a91d0007f2a4f4071e3b9a8102b15e;p=thirdparty%2Flinux.git accel/amdxdna: Fix incorrect PSP firmware size The incorrect PSP firmware size is used for initializing. It may cause error for newer version firmware. Fixes: 8c9ff1b181ba ("accel/amdxdna: Add a new driver for AMD AI Engine") Acked-by: Alex Deucher Signed-off-by: Lizhi Hou Link: https://lore.kernel.org/r/20250604143217.1386272-1-lizhi.hou@amd.com --- diff --git a/drivers/accel/amdxdna/aie2_psp.c b/drivers/accel/amdxdna/aie2_psp.c index dc3a072ce3b6d..f28a060a88109 100644 --- a/drivers/accel/amdxdna/aie2_psp.c +++ b/drivers/accel/amdxdna/aie2_psp.c @@ -126,8 +126,8 @@ struct psp_device *aie2m_psp_create(struct drm_device *ddev, struct psp_config * psp->ddev = ddev; memcpy(psp->psp_regs, conf->psp_regs, sizeof(psp->psp_regs)); - psp->fw_buf_sz = ALIGN(conf->fw_size, PSP_FW_ALIGN) + PSP_FW_ALIGN; - psp->fw_buffer = drmm_kmalloc(ddev, psp->fw_buf_sz, GFP_KERNEL); + psp->fw_buf_sz = ALIGN(conf->fw_size, PSP_FW_ALIGN); + psp->fw_buffer = drmm_kmalloc(ddev, psp->fw_buf_sz + PSP_FW_ALIGN, GFP_KERNEL); if (!psp->fw_buffer) { drm_err(ddev, "no memory for fw buffer"); return NULL;