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authorJun Lei <Jun.Lei@amd.com>2019-08-03 00:22:57 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-11-13 23:29:43 +0300
commitd9a07577b8a3131c90c187fb2b89662bee535cfd (patch)
tree43b6d3ac6b245e908a54948b27a1a5aab19b7683 /drivers/gpu/drm/amd/display/dc/gpio
parentae8cf9774e3a609066b277c3742c3551564fb079 (diff)
downloadlinux-d9a07577b8a3131c90c187fb2b89662bee535cfd.tar.xz
drm/amd/display: add oem i2c implemenation in dc
[why] Need it for some OEM I2C devices in Nv10 [how] Link up code to parse OEM table and expose DC interface to access the pins Signed-off-by: Jun Lei <Jun.Lei@amd.com> Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio')
-rw-r--r--drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c
index 43a440385b43..2664cb22dfe7 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c
@@ -110,6 +110,12 @@ static const struct ddc_registers ddc_data_regs_dcn[] = {
ddc_data_regs_dcn2(4),
ddc_data_regs_dcn2(5),
ddc_data_regs_dcn2(6),
+ {
+ DDC_GPIO_VGA_REG_LIST(DATA),
+ .ddc_setup = 0,
+ .phy_aux_cntl = 0,
+ .dc_gpio_aux_ctrl_5 = 0
+ }
};
static const struct ddc_registers ddc_clk_regs_dcn[] = {
@@ -119,6 +125,12 @@ static const struct ddc_registers ddc_clk_regs_dcn[] = {
ddc_clk_regs_dcn2(4),
ddc_clk_regs_dcn2(5),
ddc_clk_regs_dcn2(6),
+ {
+ DDC_GPIO_VGA_REG_LIST(CLK),
+ .ddc_setup = 0,
+ .phy_aux_cntl = 0,
+ .dc_gpio_aux_ctrl_5 = 0
+ }
};
static const struct ddc_sh_mask ddc_shift[] = {