drm/amd/display: adding ddc_gpio_vga_reg_list to ddc reg def'ns
authorMartin Leung <martin.leung@amd.com>
Wed, 7 Oct 2020 16:17:22 +0000 (12:17 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 26 Oct 2020 17:33:38 +0000 (13:33 -0400)
why:
oem-related ddc read/write fails without these regs

how:
copy from hw_factory_dcn20.c

Signed-off-by: Martin Leung <martin.leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c

index 3be2c90..2158369 100644 (file)
@@ -117,6 +117,12 @@ 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[] = {
@@ -126,6 +132,12 @@ 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[] = {