From: Todor Tomov <todor.tomov@linaro.org>
To: mchehab@kernel.org, sakari.ailus@linux.intel.com,
hans.verkuil@cisco.com,
laurent.pinchart+renesas@ideasonboard.com,
linux-media@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Todor Tomov <todor.tomov@linaro.org>
Subject: [PATCH v2 13/34] media: camss: vfe: Do not disable CAMIF when clearing its status
Date: Thu, 5 Jul 2018 16:32:44 +0300 [thread overview]
Message-ID: <1530797585-8555-14-git-send-email-todor.tomov@linaro.org> (raw)
In-Reply-To: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org>
Use "no change" value when clearing CAMIF status and make sure
this is done before configuring the new command.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
---
drivers/media/platform/qcom/camss/camss-vfe.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index 77167f1..15a1a01 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -156,6 +156,7 @@
#define VFE_0_CAMIF_CMD 0x2f4
#define VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY 0
#define VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY 1
+#define VFE_0_CAMIF_CMD_NO_CHANGE 3
#define VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS (1 << 2)
#define VFE_0_CAMIF_CFG 0x2f8
#define VFE_0_CAMIF_CFG_VFE_OUTPUT_EN (1 << 6)
@@ -1021,8 +1022,10 @@ static void vfe_set_camif_cfg(struct vfe_device *vfe, struct vfe_line *line)
static void vfe_set_camif_cmd(struct vfe_device *vfe, u32 cmd)
{
- writel_relaxed(VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS,
+ writel_relaxed(VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS |
+ VFE_0_CAMIF_CMD_NO_CHANGE,
vfe->base + VFE_0_CAMIF_CMD);
+ wmb();
writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD);
}
--
2.7.4
next prev parent reply other threads:[~2018-07-05 13:39 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-05 13:32 [PATCH v2 00/34] Qualcomm Camera Subsystem driver - 8x96 support Todor Tomov
2018-07-05 13:32 ` [PATCH v2 01/34] doc-rst: Add packed Bayer raw14 pixel formats Todor Tomov
2018-07-05 13:32 ` [PATCH v2 02/34] media: v4l: Add new 2X8 10-bit grayscale media bus code Todor Tomov
2018-07-05 13:32 ` [PATCH v2 03/34] media: v4l: Add new 10-bit packed grayscale format Todor Tomov
2018-07-05 13:32 ` [PATCH v2 04/34] media: Rename CAMSS driver path Todor Tomov
2018-07-05 13:32 ` [PATCH v2 05/34] media: camss: Use SPDX license headers Todor Tomov
2018-07-05 13:32 ` [PATCH v2 06/34] media: camss: Fix OF node usage Todor Tomov
2018-07-05 13:32 ` [PATCH v2 07/34] media: camss: csiphy: Ensure clock mux config is done before the rest Todor Tomov
2018-07-05 13:32 ` [PATCH v2 08/34] media: camss: Unify the clock names Todor Tomov
2018-07-11 16:07 ` Rob Herring
2018-07-16 8:53 ` Todor Tomov
2018-07-16 14:00 ` Rob Herring
2018-07-05 13:32 ` [PATCH v2 09/34] media: camss: csiphy: Update settle count calculation Todor Tomov
2018-07-05 13:32 ` [PATCH v2 10/34] media: camss: csid: Configure data type and decode format properly Todor Tomov
2018-07-05 13:32 ` [PATCH v2 11/34] media: camss: vfe: Fix to_vfe() macro member name Todor Tomov
2018-07-05 13:32 ` [PATCH v2 12/34] media: camss: vfe: Get line pointer as container of video_out Todor Tomov
2018-07-05 13:32 ` Todor Tomov [this message]
2018-07-05 13:32 ` [PATCH v2 14/34] media: dt-bindings: media: qcom,camss: Fix whitespaces Todor Tomov
2018-07-05 13:32 ` [PATCH v2 15/34] media: dt-bindings: media: qcom,camss: Add 8996 bindings Todor Tomov
2018-07-05 13:32 ` [PATCH v2 16/34] media: camss: Add 8x96 resources Todor Tomov
2018-07-05 13:32 ` [PATCH v2 17/34] media: camss: Add basic runtime PM support Todor Tomov
2018-07-05 13:32 ` [PATCH v2 18/34] media: camss: csiphy: Split to hardware dependent and independent parts Todor Tomov
2018-07-05 13:32 ` [PATCH v2 19/34] media: camss: csiphy: Unify lane handling Todor Tomov
2018-07-05 13:32 ` [PATCH v2 20/34] media: camss: csiphy: Add support for 8x96 Todor Tomov
2018-07-05 13:32 ` [PATCH v2 21/34] media: camss: csid: " Todor Tomov
2018-07-05 13:32 ` [PATCH v2 22/34] media: camss: ispif: " Todor Tomov
2018-07-05 13:32 ` [PATCH v2 23/34] media: camss: vfe: Split to hardware dependent and independent parts Todor Tomov
2018-07-05 13:32 ` [PATCH v2 24/34] media: camss: vfe: Add support for 8x96 Todor Tomov
2018-07-05 13:32 ` [PATCH v2 25/34] media: camss: Format configuration per hardware version Todor Tomov
2018-07-05 13:32 ` [PATCH v2 26/34] media: camss: vfe: Different format support on source pad Todor Tomov
2018-07-05 13:32 ` [PATCH v2 27/34] media: camss: vfe: Add support for UYVY output from VFE on 8x96 Todor Tomov
2018-07-05 13:32 ` [PATCH v2 28/34] media: camss: csid: Different format support on source pad Todor Tomov
2018-07-05 13:33 ` [PATCH v2 29/34] media: camss: csid: MIPI10 to Plain16 format conversion Todor Tomov
2018-07-05 13:33 ` [PATCH v2 30/34] media: camss: Add support for RAW MIPI14 on 8x96 Todor Tomov
2018-07-05 13:33 ` [PATCH v2 31/34] media: camss: Add support for 10-bit grayscale formats Todor Tomov
2018-07-05 13:33 ` [PATCH v2 32/34] media: doc: media/v4l-drivers: Update Qualcomm CAMSS driver document for 8x96 Todor Tomov
2018-07-05 13:33 ` [PATCH v2 33/34] media: camss: csid: Add support for events triggered by user controls Todor Tomov
2018-07-05 13:33 ` [PATCH v2 34/34] media: v4l2-ioctl: Add format descriptions for packed Bayer raw14 pixel formats Todor Tomov
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