[PATCH v4] media: venus : hfi: add venus image info into smem

[Dikshita Agarwal]

Fill fw version info into smem to be printed as part of
soc info.

Signed-off-by: Dikshita Agarwal <diksh...@codeaurora.org>
Reported-by: kernel test robot <l...@intel.com>

change since v3:
 added dependency on QCOM_SMEM (Stephen)
---
 drivers/media/platform/Kconfig               |  2 +-
 drivers/media/platform/qcom/venus/hfi_msgs.c | 21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index fd1831e..9c75e88 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -543,7 +543,7 @@ config VIDEO_TI_VPE_DEBUG
 
 config VIDEO_QCOM_VENUS
        tristate "Qualcomm Venus V4L2 encoder/decoder driver"
-       depends on VIDEO_DEV && VIDEO_V4L2
+       depends on VIDEO_DEV && VIDEO_V4L2 && QCOM_SMEM
        depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
        select QCOM_MDT_LOADER if ARCH_QCOM
        select QCOM_SCM if ARCH_QCOM
diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c 
b/drivers/media/platform/qcom/venus/hfi_msgs.c
index 06a1908..74cfc4f 100644
--- a/drivers/media/platform/qcom/venus/hfi_msgs.c
+++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
@@ -6,6 +6,7 @@
 #include <linux/hash.h>
 #include <linux/list.h>
 #include <linux/slab.h>
+#include <linux/soc/qcom/smem.h>
 #include <media/videobuf2-v4l2.h>
 
 #include "core.h"
@@ -14,6 +15,10 @@
 #include "hfi_msgs.h"
 #include "hfi_parser.h"
 
+#define SMEM_IMG_VER_TBL 469
+#define VER_STR_SZ     128
+#define SMEM_IMG_OFFSET_VENUS (14 * 128)
+
 static void event_seq_changed(struct venus_core *core, struct venus_inst *inst,
                              struct hfi_msg_event_notify_pkt *pkt)
 {
@@ -239,15 +244,27 @@ static void
 sys_get_prop_image_version(struct device *dev,
                           struct hfi_msg_sys_property_info_pkt *pkt)
 {
+       u8 *smem_tbl_ptr;
+       u8 *img_ver;
        int req_bytes;
+       size_t smem_blk_sz;
 
        req_bytes = pkt->hdr.size - sizeof(*pkt);
 
-       if (req_bytes < 128 || !pkt->data[1] || pkt->num_properties > 1)
+       if (req_bytes < VER_STR_SZ || !pkt->data[1] || pkt->num_properties > 1)
                /* bad packet */
                return;
 
-       dev_dbg(dev, VDBGL "F/W version: %s\n", (u8 *)&pkt->data[1]);
+       img_ver = (u8 *)&pkt->data[1];
+
+       dev_dbg(dev, VDBGL "F/W version: %s\n", img_ver);
+
+       smem_tbl_ptr = qcom_smem_get(QCOM_SMEM_HOST_ANY,
+               SMEM_IMG_VER_TBL, &smem_blk_sz);
+       if (smem_tbl_ptr &&
+           smem_blk_sz >= SMEM_IMG_OFFSET_VENUS + VER_STR_SZ)
+               memcpy(smem_tbl_ptr + SMEM_IMG_OFFSET_VENUS,
+                      img_ver, VER_STR_SZ);
 }
 
 static void hfi_sys_property_info(struct venus_core *core,
-- 
2.7.4