From: Archit Taneja <architt@codeaurora.org>
To: robdclark@gmail.com
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: [PATCH 1/2] drm/msm: dsi: Update headers (add DSI_LANE_CTRL register)
Date: Wed, 8 Apr 2015 11:37:39 +0530 [thread overview]
Message-ID: <1428473260-13294-1-git-send-email-architt@codeaurora.org> (raw)
DSI_LANE_CTRL provides bitfield CLKLN_HS_FORCE_REQUEST that forces the DSI
clock lane to always enter HS mode.
This is needed by some DSI peripherals which rely on the DSI clock lane as
their clock source. If the clock lane transitions between different states, it
can disrupt the functioning of such peripherals.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
---
drivers/gpu/drm/msm/dsi/dsi.xml.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h
index 1dcfae2..e0f3e62 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.xml.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h
@@ -8,8 +8,8 @@ http://github.com/freedreno/envytools/
git clone https://github.com/freedreno/envytools.git
The rules-ng-ng source files this header was generated from are:
-- /usr2/hali/local/envytools/envytools/rnndb/dsi/dsi.xml ( 18681 bytes, from 2015-03-04 23:08:31)
-- /usr2/hali/local/envytools/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2015-01-28 21:43:22)
+- /local/mnt/workspace/source_trees/envytools/rnndb/../rnndb/dsi/dsi.xml ( 18802 bytes, from 2015-04-05 09:42:01)
+- /local/mnt/workspace/source_trees/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2015-02-09 03:18:10)
Copyright (C) 2013-2015 by the following authors:
- Rob Clark <robdclark@gmail.com> (robclark)
@@ -394,6 +394,9 @@ static inline uint32_t DSI_CLKOUT_TIMING_CTRL_T_CLK_POST(uint32_t val)
#define DSI_EOT_PACKET_CTRL_TX_EOT_APPEND 0x00000001
#define DSI_EOT_PACKET_CTRL_RX_EOT_IGNORE 0x00000010
+#define REG_DSI_LANE_CTRL 0x000000a8
+#define DSI_LANE_CTRL_CLKLN_HS_FORCE_REQUEST 0x10000000
+
#define REG_DSI_LANE_SWAP_CTRL 0x000000ac
#define DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__MASK 0x00000007
#define DSI_LANE_SWAP_CTRL_DLN_SWAP_SEL__SHIFT 0
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
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next reply other threads:[~2015-04-08 6:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-08 6:07 Archit Taneja [this message]
2015-04-08 6:07 ` [PATCH 2/2] drm/msm: dsi: Provide option to force continuous HS clock Archit Taneja
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