[Freedreno] [PATCH v3 25/25] drm/msm/dsi: stop passing src_pll_id to the phy_enable call
abhinavk at codeaurora.org
abhinavk at codeaurora.org
Tue Mar 30 19:29:36 UTC 2021
On 2021-03-27 04:03, Dmitry Baryshkov wrote:
> Phy driver already knows the source PLL id basing on the set usecase
> and
> the current PLL id. Stop passing it to the phy_enable call. As a
> reminder, dsi manager will always use DSI 0 as a clock master in a
> slave
> mode, so PLL 0 is always a clocksource for DSI 0 and it is always a
> clocksource for DSI 1 too unless DSI 1 is used in the standalone mode.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
> drivers/gpu/drm/msm/dsi/dsi.h | 2 +-
> drivers/gpu/drm/msm/dsi/dsi_manager.c | 11 +++++------
> drivers/gpu/drm/msm/dsi/phy/dsi_phy.c | 4 ++--
> drivers/gpu/drm/msm/dsi/phy/dsi_phy.h | 2 +-
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 2 +-
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 4 ++--
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c | 4 ++--
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 4 ++--
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 2 +-
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 2 +-
> 10 files changed, 18 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi.h
> b/drivers/gpu/drm/msm/dsi/dsi.h
> index 53feea9d30c0..c8ef63bdc042 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi.h
> +++ b/drivers/gpu/drm/msm/dsi/dsi.h
> @@ -162,7 +162,7 @@ struct msm_dsi_phy_clk_request {
>
> void msm_dsi_phy_driver_register(void);
> void msm_dsi_phy_driver_unregister(void);
> -int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
> +int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req);
> void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
> void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy,
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c
> b/drivers/gpu/drm/msm/dsi/dsi_manager.c
> index 0c47c5fb1ab3..76735cde57c6 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
> @@ -114,7 +114,7 @@ static int dsi_mgr_setup_components(int id)
> return ret;
> }
>
> -static int enable_phy(struct msm_dsi *msm_dsi, int src_pll_id,
> +static int enable_phy(struct msm_dsi *msm_dsi,
> struct msm_dsi_phy_shared_timings *shared_timings)
> {
> struct msm_dsi_phy_clk_request clk_req;
> @@ -123,7 +123,7 @@ static int enable_phy(struct msm_dsi *msm_dsi, int
> src_pll_id,
>
> msm_dsi_host_get_phy_clk_req(msm_dsi->host, &clk_req, is_dual_dsi);
>
> - ret = msm_dsi_phy_enable(msm_dsi->phy, src_pll_id, &clk_req);
> + ret = msm_dsi_phy_enable(msm_dsi->phy, &clk_req);
> msm_dsi_phy_get_shared_timings(msm_dsi->phy, shared_timings);
>
> return ret;
> @@ -136,7 +136,6 @@ dsi_mgr_phy_enable(int id,
> struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
> struct msm_dsi *mdsi = dsi_mgr_get_dsi(DSI_CLOCK_MASTER);
> struct msm_dsi *sdsi = dsi_mgr_get_dsi(DSI_CLOCK_SLAVE);
> - int src_pll_id = IS_DUAL_DSI() ? DSI_CLOCK_MASTER : id;
> int ret;
>
> /* In case of dual DSI, some registers in PHY1 have been programmed
> @@ -149,11 +148,11 @@ dsi_mgr_phy_enable(int id,
> msm_dsi_host_reset_phy(mdsi->host);
> msm_dsi_host_reset_phy(sdsi->host);
>
> - ret = enable_phy(mdsi, src_pll_id,
> + ret = enable_phy(mdsi,
> &shared_timings[DSI_CLOCK_MASTER]);
> if (ret)
> return ret;
> - ret = enable_phy(sdsi, src_pll_id,
> + ret = enable_phy(sdsi,
> &shared_timings[DSI_CLOCK_SLAVE]);
> if (ret) {
> msm_dsi_phy_disable(mdsi->phy);
> @@ -162,7 +161,7 @@ dsi_mgr_phy_enable(int id,
> }
> } else {
> msm_dsi_host_reset_phy(msm_dsi->host);
> - ret = enable_phy(msm_dsi, src_pll_id, &shared_timings[id]);
> + ret = enable_phy(msm_dsi, &shared_timings[id]);
> if (ret)
> return ret;
> }
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> index 56f5134e3933..2a421fd77f2f 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> @@ -753,7 +753,7 @@ void __exit msm_dsi_phy_driver_unregister(void)
> platform_driver_unregister(&dsi_phy_platform_driver);
> }
>
> -int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
> +int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> struct device *dev = &phy->pdev->dev;
> @@ -776,7 +776,7 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
> int src_pll_id,
> goto reg_en_fail;
> }
>
> - ret = phy->cfg->ops.enable(phy, src_pll_id, clk_req);
> + ret = phy->cfg->ops.enable(phy, clk_req);
> if (ret) {
> DRM_DEV_ERROR(dev, "%s: phy enable failed, %d\n", __func__, ret);
> goto phy_en_fail;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> index 3b207cf9f6b4..74fffcae0f10 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> @@ -19,7 +19,7 @@
>
> struct msm_dsi_phy_ops {
> int (*pll_init)(struct msm_dsi_phy *phy);
> - int (*enable)(struct msm_dsi_phy *phy, int src_pll_id,
> + int (*enable)(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req);
> void (*disable)(struct msm_dsi_phy *phy);
> void (*save_state)(struct msm_dsi_phy *phy);
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
> index 04535ccd11ef..bea68154ef87 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
> @@ -786,7 +786,7 @@ static void dsi_phy_hw_v3_0_lane_settings(struct
> msm_dsi_phy *phy)
> }
> }
>
> -static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy, int
> src_pll_id,
> +static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> int ret;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> index 7a87bed71e36..c9afa6c461ee 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> @@ -938,7 +938,7 @@ static void dsi_14nm_dphy_set_timing(struct
> msm_dsi_phy *phy,
> DSI_14nm_PHY_LN_TIMING_CTRL_11_TRIG3_CMD(0xa0));
> }
>
> -static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy, int
> src_pll_id,
> +static int dsi_14nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> struct msm_dsi_dphy_timing *timing = &phy->timing;
> @@ -996,7 +996,7 @@ static int dsi_14nm_phy_enable(struct msm_dsi_phy
> *phy, int src_pll_id,
> dsi_phy_write(base + REG_DSI_14nm_PHY_CMN_CTRL_1, 0x00);
>
> glbl_test_ctrl = dsi_phy_read(base +
> REG_DSI_14nm_PHY_CMN_GLBL_TEST_CTRL);
> - if (phy->id == DSI_1 && src_pll_id == DSI_0)
> + if (phy->usecase == MSM_DSI_PHY_SLAVE)
I think it should not make a difference but can we keep the check for
DSI_1? So lets modify this to be:
if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_SLAVE)
> glbl_test_ctrl |= DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> else
> glbl_test_ctrl &= ~DSI_14nm_PHY_CMN_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
> index f5b88c85a8fc..e96d789aea18 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
> @@ -63,7 +63,7 @@ static void dsi_20nm_phy_regulator_ctrl(struct
> msm_dsi_phy *phy, bool enable)
> dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_0, 0x03);
> }
>
> -static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int
> src_pll_id,
> +static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> struct msm_dsi_dphy_timing *timing = &phy->timing;
> @@ -85,7 +85,7 @@ static int dsi_20nm_phy_enable(struct msm_dsi_phy
> *phy, int src_pll_id,
> dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_0, 0xff);
>
> val = dsi_phy_read(base + REG_DSI_20nm_PHY_GLBL_TEST_CTRL);
> - if (src_pll_id == DSI_1)
> + if (phy->id == DSI_1 && phy->usecase == MSM_DSI_PHY_STANDALONE)
> val |= DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> else
> val &= ~DSI_20nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> index 9f83ab90d093..0e8f74ebb895 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> @@ -698,7 +698,7 @@ static void dsi_28nm_phy_regulator_ctrl(struct
> msm_dsi_phy *phy, bool enable)
> dsi_28nm_phy_regulator_enable_dcdc(phy);
> }
>
> -static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int
> src_pll_id,
> +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> struct msm_dsi_dphy_timing *timing = &phy->timing;
> @@ -745,7 +745,7 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy
> *phy, int src_pll_id,
> dsi_phy_write(base + REG_DSI_28nm_PHY_CTRL_0, 0x5f);
>
> val = dsi_phy_read(base + REG_DSI_28nm_PHY_GLBL_TEST_CTRL);
> - if (phy->id == DSI_1 && src_pll_id == DSI_0)
> + if (phy->usecase == MSM_DSI_PHY_SLAVE)
same here
> val &= ~DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> else
> val |= DSI_28nm_PHY_GLBL_TEST_CTRL_BITCLK_HS_SEL;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
> index d2bfe43c9ef1..104446450f7c 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
> @@ -585,7 +585,7 @@ static void dsi_28nm_phy_lane_config(struct
> msm_dsi_phy *phy)
> dsi_phy_write(base + REG_DSI_28nm_8960_PHY_LNCK_TEST_STR1, 0x88);
> }
>
> -static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int
> src_pll_id,
> +static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> struct msm_dsi_dphy_timing *timing = &phy->timing;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> index 619998506b78..badc76a8d425 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
> @@ -799,7 +799,7 @@ static void dsi_phy_hw_v4_0_lane_settings(struct
> msm_dsi_phy *phy)
> }
> }
>
> -static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
> +static int dsi_7nm_phy_enable(struct msm_dsi_phy *phy,
> struct msm_dsi_phy_clk_request *clk_req)
> {
> int ret;
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