samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: dsi: add API for handling PHY programming during 0p9 collapse

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Add HW recommended programming sequence for when PHY is allowed to turn
off during idle.

Change-Id: Iaeafa17d9821913b42ae669dbd21f244783f4cdd
Signed-off-by: Shashank Babu Chinta Venkata <quic_schintav@quicinc.com>
This commit is contained in:
Shashank Babu Chinta Venkata
2022-01-06 11:00:08 -08:00
parent 122df95255
commit 1b53cc574b
3 changed files with 12 additions and 0 deletions
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3
msm/dsi/dsi_catalog.c
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@@ -190,6 +190,7 @@ static void dsi_catalog_phy_3_0_init(struct dsi_phy_hw *phy)
phy->ops.dyn_refresh_ops.dyn_refresh_trigger_sel = NULL;
phy->ops.dyn_refresh_ops.cache_phy_timings =
dsi_phy_hw_v3_0_cache_phy_timings;
phy->ops.phy_idle_off = NULL;
}
/**
@@ -230,6 +231,7 @@ static void dsi_catalog_phy_4_0_init(struct dsi_phy_hw *phy)
dsi_phy_hw_v4_0_cache_phy_timings;
phy->ops.set_continuous_clk = dsi_phy_hw_v4_0_set_continuous_clk;
phy->ops.commit_phy_timing = dsi_phy_hw_v4_0_commit_phy_timing;
phy->ops.phy_idle_off = NULL;
}
/**
@@ -259,6 +261,7 @@ static void dsi_catalog_phy_5_0_init(struct dsi_phy_hw *phy)
phy->ops.dyn_refresh_ops.cache_phy_timings = dsi_phy_hw_v5_0_cache_phy_timings;
phy->ops.set_continuous_clk = dsi_phy_hw_v5_0_set_continuous_clk;
phy->ops.commit_phy_timing = dsi_phy_hw_v5_0_commit_phy_timing;
phy->ops.phy_idle_off = dsi_phy_hw_v5_0_phy_idle_off;
}
/**

1
msm/dsi/dsi_catalog.h
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@@ -308,6 +308,7 @@ void dsi_phy_hw_v5_0_dyn_refresh_pipe_delay(struct dsi_phy_hw *phy,
int dsi_phy_hw_v5_0_cache_phy_timings(struct dsi_phy_per_lane_cfgs *timings,
u32 *dst, u32 size);
void dsi_phy_hw_v5_0_phy_idle_off(struct dsi_phy_hw *phy);
void dsi_ctrl_hw_22_configure_cmddma_window(struct dsi_ctrl_hw *ctrl,
struct dsi_ctrl_cmd_dma_info *cmd,
u32 line_no, u32 window);

8
msm/dsi/dsi_phy_hw_v5_0.c
View File

@@ -879,3 +879,11 @@ void dsi_phy_hw_v5_0_set_continuous_clk(struct dsi_phy_hw *phy, bool enable)
wmb(); /* make sure request is set */
}
void dsi_phy_hw_v5_0_phy_idle_off(struct dsi_phy_hw *phy)
{
/* enable clamping of PADS */
DSI_W32(phy, DSIPHY_CMN_CTRL_4, 0x1);
DSI_W32(phy, DSIPHY_CMN_CTRL_3, 0x0);
wmb();
}