| Message ID | 20180423105003.9004-12-enric.balletbo@collabora.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On Monday, April 23, 2018 6:50 AM, Enric Balletbo i Serra wrote: > > From: zain wang <wzz@rock-chips.com> > > There are some different bits between Rockchip and Exynos in register > "AUX_PD". This patch fixes the incorrect operations about it. > > Cc: Douglas Anderson <dianders@chromium.org> > Signed-off-by: zain wang <wzz@rock-chips.com> > Signed-off-by: Sean Paul <seanpaul@chromium.org> > Signed-off-by: Thierry Escande <thierry.escande@collabora.com> > Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> > Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> > Reviewed-by: Archit Taneja <architt@codeaurora.org> Acked-by: Jingoo Han <jingoohan1@gmail.com> Best regards, Jingoo Han > --- > > .../gpu/drm/bridge/analogix/analogix_dp_reg.c | 117 ++++++++++-------- > .../gpu/drm/bridge/analogix/analogix_dp_reg.h | 2 + > 2 files changed, 65 insertions(+), 54 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c > b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c > index bb72f8b0e603..dee1ba109b5f 100644 > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c > @@ -248,76 +248,85 @@ void analogix_dp_set_analog_power_down(struct > analogix_dp_device *dp, > { > u32 reg; > u32 phy_pd_addr = ANALOGIX_DP_PHY_PD; > + u32 mask; > > if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) > phy_pd_addr = ANALOGIX_DP_PD; > > switch (block) { > case AUX_BLOCK: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= AUX_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~AUX_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) > + mask = RK_AUX_PD; > + else > + mask = AUX_PD; > + > + reg = readl(dp->reg_base + phy_pd_addr); > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + writel(reg, dp->reg_base + phy_pd_addr); > break; > case CH0_BLOCK: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= CH0_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~CH0_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + mask = CH0_PD; > + reg = readl(dp->reg_base + phy_pd_addr); > + > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + writel(reg, dp->reg_base + phy_pd_addr); > break; > case CH1_BLOCK: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= CH1_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~CH1_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + mask = CH1_PD; > + reg = readl(dp->reg_base + phy_pd_addr); > + > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + writel(reg, dp->reg_base + phy_pd_addr); > break; > case CH2_BLOCK: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= CH2_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~CH2_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + mask = CH2_PD; > + reg = readl(dp->reg_base + phy_pd_addr); > + > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + writel(reg, dp->reg_base + phy_pd_addr); > break; > case CH3_BLOCK: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= CH3_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~CH3_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + mask = CH3_PD; > + reg = readl(dp->reg_base + phy_pd_addr); > + > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + writel(reg, dp->reg_base + phy_pd_addr); > break; > case ANALOG_TOTAL: > - if (enable) { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg |= DP_PHY_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } else { > - reg = readl(dp->reg_base + phy_pd_addr); > - reg &= ~DP_PHY_PD; > - writel(reg, dp->reg_base + phy_pd_addr); > - } > + /* > + * There is no bit named DP_PHY_PD, so We used DP_INC_BG > + * to power off everything instead of DP_PHY_PD in > + * Rockchip > + */ > + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) > + mask = DP_INC_BG; > + else > + mask = DP_PHY_PD; > + > + reg = readl(dp->reg_base + phy_pd_addr); > + if (enable) > + reg |= mask; > + else > + reg &= ~mask; > + > + writel(reg, dp->reg_base + phy_pd_addr); > + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) > + usleep_range(10, 15); > break; > case POWER_ALL: > if (enable) { > diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h > b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h > index 9602668669f4..b633a4a5082a 100644 > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h > @@ -345,7 +345,9 @@ > #define DP_INC_BG (0x1 << 7) > #define DP_EXP_BG (0x1 << 6) > #define DP_PHY_PD (0x1 << 5) > +#define RK_AUX_PD (0x1 << 5) > #define AUX_PD (0x1 << 4) > +#define RK_PLL_PD (0x1 << 4) > #define CH3_PD (0x1 << 3) > #define CH2_PD (0x1 << 2) > #define CH1_PD (0x1 << 1) > -- > 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index bb72f8b0e603..dee1ba109b5f 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -248,76 +248,85 @@ void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp, { u32 reg; u32 phy_pd_addr = ANALOGIX_DP_PHY_PD; + u32 mask; if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) phy_pd_addr = ANALOGIX_DP_PD; switch (block) { case AUX_BLOCK: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= AUX_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~AUX_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) + mask = RK_AUX_PD; + else + mask = AUX_PD; + + reg = readl(dp->reg_base + phy_pd_addr); + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + phy_pd_addr); break; case CH0_BLOCK: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= CH0_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~CH0_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + mask = CH0_PD; + reg = readl(dp->reg_base + phy_pd_addr); + + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + phy_pd_addr); break; case CH1_BLOCK: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= CH1_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~CH1_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + mask = CH1_PD; + reg = readl(dp->reg_base + phy_pd_addr); + + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + phy_pd_addr); break; case CH2_BLOCK: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= CH2_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~CH2_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + mask = CH2_PD; + reg = readl(dp->reg_base + phy_pd_addr); + + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + phy_pd_addr); break; case CH3_BLOCK: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= CH3_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~CH3_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + mask = CH3_PD; + reg = readl(dp->reg_base + phy_pd_addr); + + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + phy_pd_addr); break; case ANALOG_TOTAL: - if (enable) { - reg = readl(dp->reg_base + phy_pd_addr); - reg |= DP_PHY_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } else { - reg = readl(dp->reg_base + phy_pd_addr); - reg &= ~DP_PHY_PD; - writel(reg, dp->reg_base + phy_pd_addr); - } + /* + * There is no bit named DP_PHY_PD, so We used DP_INC_BG + * to power off everything instead of DP_PHY_PD in + * Rockchip + */ + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) + mask = DP_INC_BG; + else + mask = DP_PHY_PD; + + reg = readl(dp->reg_base + phy_pd_addr); + if (enable) + reg |= mask; + else + reg &= ~mask; + + writel(reg, dp->reg_base + phy_pd_addr); + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) + usleep_range(10, 15); break; case POWER_ALL: if (enable) { diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h index 9602668669f4..b633a4a5082a 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h @@ -345,7 +345,9 @@ #define DP_INC_BG (0x1 << 7) #define DP_EXP_BG (0x1 << 6) #define DP_PHY_PD (0x1 << 5) +#define RK_AUX_PD (0x1 << 5) #define AUX_PD (0x1 << 4) +#define RK_PLL_PD (0x1 << 4) #define CH3_PD (0x1 << 3) #define CH2_PD (0x1 << 2) #define CH1_PD (0x1 << 1)