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drm/bridge: fix AUX_CMD_SEND bit value for ti, sn65dsi86 bridge

PATCH Applied Sandeep Panda 2 participants 2 messages Nov 30, 2018 1 message not in the archive

Subsystems (5)
DRM drivers DRM misc Arm Qualcomm mailing list DRM drivers for bridge chips +1 more subsystems
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Sandeep Panda

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PATCH 1/1 drm/bridge: fix AUX_CMD_SEND bit value for ti, sn65dsi86 bridge

Fix the AUX_CMD_SEND bit for ti,sn65dsi86 bridge chip. With wrong value the dpcd aux transactions with eDP panel are failing.

Signed-off-by Sandeep Panda <[email protected]>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/gpu/drm/bridge/ti-sn65dsi86.c +1 -1
index 680566d97adcf..10243965ee7c0 100644
@@ -54,7 +54,7 @@
 #define SN_AUX_ADDR_7_0_REG			0x76
 #define SN_AUX_LENGTH_REG			0x77
 #define SN_AUX_CMD_REG				0x78
-#define  AUX_CMD_SEND				BIT(1)
+#define  AUX_CMD_SEND				BIT(0)
 #define  AUX_CMD_REQ(x)				((x) << 4)
 #define SN_AUX_RDATA_REG(x)			(0x79 + (x))
 #define SN_SSC_CONFIG_REG			0x93
Signature · 7 lines
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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A message that is not in the archive (sent off-list or not yet received): 20181130092745.4219-1-spanda-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org

Applied
#2 lore raw
Quoted 4 lines · Sandeep Panda

Fix the AUX_CMD_SEND bit for ti,sn65dsi86 bridge chip. With wrong value the dpcd aux transactions with eDP panel are failing.

Signed-off-by Sandeep Panda <[email protected]>

Pushed to -misc-fixes, thanks for the patch

Sean

Quoted 25 lines
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/gpu/drm/bridge/ti-sn65dsi86.c +1 -1
index 680566d97adcf..10243965ee7c0 100644
@@ -54,7 +54,7 @@
 #define SN_AUX_ADDR_7_0_REG			0x76
 #define SN_AUX_LENGTH_REG			0x77
 #define SN_AUX_CMD_REG				0x78
-#define  AUX_CMD_SEND				BIT(1)
+#define  AUX_CMD_SEND				BIT(0)
 #define  AUX_CMD_REQ(x)				((x) << 4)
 #define SN_AUX_RDATA_REG(x)			(0x79 + (x))
 #define SN_SSC_CONFIG_REG			0x93
Signature · 7 lines
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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https://lists.freedesktop.org/mailman/listinfo/freedreno
Signature · 5 lines
Sean Paul, Software Engineer, Google / Chromium OS
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