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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 10:37:10 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-11-21 10:37:10 +0100
commitd9c3b34d3b3af22d548007d5d36e83ad12140ee7 (patch)
tree2b721d41e444f5e50b1614601357ccaf447fd545 /drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c
parentdd65a243a915ca319ed5fee9161a168c836fa2f2 (diff)
parenteb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff)
Merge 6.1-rc6 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c
index 6fd38cdd68c0..525bc8881950 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c
@@ -94,11 +94,14 @@ static enum gpio_result set_config(
* is required for detection of AUX mode */
if (hw_gpio->base.en != GPIO_DDC_LINE_VIP_PAD) {
if (!ddc_data_pd_en || !ddc_clk_pd_en) {
-
- REG_SET_2(gpio.MASK_reg, regval,
+ if (hw_gpio->base.en == GPIO_DDC_LINE_DDC_VGA) {
+ // bit 4 of mask has different usage in some cases
+ REG_SET(gpio.MASK_reg, regval, DC_GPIO_DDC1DATA_PD_EN, 1);
+ } else {
+ REG_SET_2(gpio.MASK_reg, regval,
DC_GPIO_DDC1DATA_PD_EN, 1,
DC_GPIO_DDC1CLK_PD_EN, 1);
-
+ }
if (config_data->type ==
GPIO_CONFIG_TYPE_I2C_AUX_DUAL_MODE)
msleep(3);