From 0e4b858285e633ea6bc7335fd66529955d023af9 Mon Sep 17 00:00:00 2001 From: Chris Park Date: Fri, 12 Jul 2024 12:50:48 -0400 Subject: [PATCH] drm/amd/display: Add two dmmuy I2C entry for GPIO port mapping issue [Why] When only 4 I2C is declared, two dummies are required to correctly map GPIO port. [How] Add one more I2C dummy entry to match GPIO port. Signed-off-by: Chris Park Reviewed-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- .../display/dc/gpio/dcn401/hw_factory_dcn401.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c index 46415cab23ab..928abca18a18 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c @@ -86,7 +86,13 @@ static const struct ddc_registers ddc_data_regs_dcn[] = { ddc_data_regs_dcn2(2), ddc_data_regs_dcn2(3), ddc_data_regs_dcn2(4), -// ddc_data_regs_dcn2(5), + { + // add a dummy entry for cases no such port + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,}, + .ddc_setup = 0, + .phy_aux_cntl = 0, + .dc_gpio_aux_ctrl_5 = 0 + }, { // add a dummy entry for cases no such port {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,}, @@ -107,7 +113,13 @@ static const struct ddc_registers ddc_clk_regs_dcn[] = { ddc_clk_regs_dcn2(2), ddc_clk_regs_dcn2(3), ddc_clk_regs_dcn2(4), -// ddc_clk_regs_dcn2(5), + { + // add a dummy entry for cases no such port + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,}, + .ddc_setup = 0, + .phy_aux_cntl = 0, + .dc_gpio_aux_ctrl_5 = 0 + }, { // add a dummy entry for cases no such port {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,}, -- 2.50.1