From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
dri-devel@lists.freedesktop.org,
Aurabindo Pillai <aurabindo.pillai@amd.com>,
amd-gfx@lists.freedesktop.org,
Martin Leung <martin.leung@amd.com>,
Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH AUTOSEL 5.9 25/35] drm/amd/display: adding ddc_gpio_vga_reg_list to ddc reg def'ns
Date: Mon, 2 Nov 2020 20:18:30 -0500 [thread overview]
Message-ID: <20201103011840.182814-25-sashal@kernel.org> (raw)
In-Reply-To: <20201103011840.182814-1-sashal@kernel.org>
From: Martin Leung <martin.leung@amd.com>
[ Upstream commit a1d2afc5dde29a943d32bf92eb0408c9f19541fc ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c
index 7e7fb65721073..9d3665f88c523 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c
@@ -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[] = {
--
2.27.0
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prev parent reply other threads:[~2020-11-03 1:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201103011840.182814-1-sashal@kernel.org>
2020-11-03 1:18 ` [PATCH AUTOSEL 5.9 21/35] drm/amdgpu: disable DCN and VCN for navi10 blockchain SKU(v3) Sasha Levin
2020-11-03 1:18 ` [PATCH AUTOSEL 5.9 22/35] drm/amdgpu: add DID for navi10 blockchain SKU Sasha Levin
2020-11-03 1:18 ` [PATCH AUTOSEL 5.9 23/35] drm/amd/display: Fixed panic during seamless boot Sasha Levin
2020-11-03 1:18 ` Sasha Levin [this message]
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