linux-kernel - [Patch v4 09/11] media: s5p-mfc: Load firmware for each run in MFCv12.

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Message-Id: <20231025102216.50480-10-aakarsh.jain@samsung.com>
Date:   Wed, 25 Oct 2023 15:52:14 +0530
From:   Aakarsh Jain <aakarsh.jain@...sung.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     m.szyprowski@...sung.com, andrzej.hajda@...el.com,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        krzysztof.kozlowski+dt@...aro.org, dillon.minfei@...il.com,
        david.plowman@...pberrypi.com, mark.rutland@....com,
        robh+dt@...nel.org, conor+dt@...nel.org,
        linux-samsung-soc@...r.kernel.org, andi@...zian.org,
        gost.dev@...sung.com, alim.akhtar@...sung.com,
        aswani.reddy@...sung.com, pankaj.dubey@...sung.com,
        ajaykumar.rs@...sung.com, aakarsh.jain@...sung.com,
        linux-fsd@...la.com, Smitha T Murthy <smithatmurthy@...il.com>
Subject: [Patch v4 09/11] media: s5p-mfc: Load firmware for each run in
 MFCv12.

In MFCv12, some section of firmware gets updated at each MFC run.
Hence we need to reload original firmware for each run at the start.

Cc: linux-fsd@...la.com
Signed-off-by: Smitha T Murthy <smithatmurthy@...il.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@...sung.com>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
index b49159142c53..057088b9d327 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
@@ -51,8 +51,9 @@ int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev)
 	 * into kernel. */
 	mfc_debug_enter();
 
-	if (dev->fw_get_done)
-		return 0;
+	if (!IS_MFCV12(dev))
+		if (dev->fw_get_done)
+			return 0;
 
 	for (i = MFC_FW_MAX_VERSIONS - 1; i >= 0; i--) {
 		if (!dev->variant->fw_name[i])
-- 
2.17.1