From bb01672c79649de08fe335b55aea5315d781c443 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Sat, 4 Mar 2017 20:56:46 -0500 Subject: [PATCH] drm/amd/display: Fix i2c write flag. I2C_M_RD was translated to write instead of read. Signed-off-by: Andrey Grodzovsky Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 2 +- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index bc0bfa9..5b096be 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -423,7 +423,7 @@ bool dm_helpers_submit_i2c( return false; for (i = 0; i < num; i++) { - msgs[i].flags = cmd->payloads[i].write ? I2C_M_RD : 0; + msgs[i].flags = cmd->payloads[i].write ? 0 : I2C_M_RD; msgs[i].addr = cmd->payloads[i].address; msgs[i].len = cmd->payloads[i].length; msgs[i].buf = cmd->payloads[i].data; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c index df7cc46..c09af2b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c @@ -1948,7 +1948,7 @@ int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap, cmd.speed = 100; for (i = 0; i < num; i++) { - cmd.payloads[i].write = (msgs[i].flags & I2C_M_RD); + cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD); cmd.payloads[i].address = msgs[i].addr; cmd.payloads[i].length = msgs[i].len; cmd.payloads[i].data = msgs[i].buf; -- 2.7.4