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drm/bridge: analogix_dp: Fix display corruption in low temperature environment

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Change-Id: I46b3dbc57c1f2b8482559d4ba44bd7f339657ccd
Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
Wyon Bi
2021-09-14 17:59:44 +08:00
parent 9c4bb7cf64
commit 50d652bdf7
2 changed files with 3 additions and 1 deletions
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3
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
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@@ -95,10 +95,11 @@ void analogix_dp_init_analog_param(struct analogix_dp_device *dp)
reg ^= REF_CLK_MASK;
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_1, reg);
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_2, 0x95);
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_2, 0x99);
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_3, 0x40);
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_4, 0x58);
analogix_dp_write(dp, ANALOGIX_DP_PLL_REG_5, 0x22);
analogix_dp_write(dp, ANALOGIX_DP_BIAS, 0x44);
}
reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;

1
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
View File

@@ -46,6 +46,7 @@
#define ANALOGIX_DP_PLL_REG_5 0xa00
#define ANALOIGX_DP_SSC_REG 0x104
#define ANALOGIX_DP_BIAS 0x124
#define ANALOGIX_DP_PD 0x12c
#define ANALOGIX_DP_IF_TYPE 0x244