[PATCH] drm/exynos: use driver internal struct

Inki Dae inki.dae at samsung.com
Tue Feb 3 23:17:20 PST 2015


On 2015년 01월 30일 16:43, Joonyoung Shim wrote:
> Use driver internal struct as argument instead of struct exynos_drm_crtc
> except functions of exynos_drm_crtc_ops and instead of struct
> exynos_drm_display except functions of exynos_drm_display_ops.

Agree. Reasonable to use a driver context as an argument in case of
internal functions. Applied.

Thanks,
Inki Dae

> 
> It can reduce unnecessary variable declaration.
> 
> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> ---
>  drivers/gpu/drm/exynos/exynos_dp_core.c  | 14 ++++-------
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c | 43 +++++++++++++-------------------
>  drivers/gpu/drm/exynos/exynos_drm_vidi.c | 19 ++++++--------
>  drivers/gpu/drm/exynos/exynos_hdmi.c     | 12 ++++-----
>  drivers/gpu/drm/exynos/exynos_mixer.c    | 26 ++++++++-----------
>  5 files changed, 47 insertions(+), 67 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
> index 34d46aa..11fd893 100644
> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
> @@ -1067,10 +1067,8 @@ static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
>  		phy_power_off(dp->phy);
>  }
>  
> -static void exynos_dp_poweron(struct exynos_drm_display *display)
> +static void exynos_dp_poweron(struct exynos_dp_device *dp)
>  {
> -	struct exynos_dp_device *dp = display_to_dp(display);
> -
>  	if (dp->dpms_mode == DRM_MODE_DPMS_ON)
>  		return;
>  
> @@ -1085,13 +1083,11 @@ static void exynos_dp_poweron(struct exynos_drm_display *display)
>  	exynos_dp_phy_init(dp);
>  	exynos_dp_init_dp(dp);
>  	enable_irq(dp->irq);
> -	exynos_dp_commit(display);
> +	exynos_dp_commit(&dp->display);
>  }
>  
> -static void exynos_dp_poweroff(struct exynos_drm_display *display)
> +static void exynos_dp_poweroff(struct exynos_dp_device *dp)
>  {
> -	struct exynos_dp_device *dp = display_to_dp(display);
> -
>  	if (dp->dpms_mode != DRM_MODE_DPMS_ON)
>  		return;
>  
> @@ -1119,12 +1115,12 @@ static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
>  
>  	switch (mode) {
>  	case DRM_MODE_DPMS_ON:
> -		exynos_dp_poweron(display);
> +		exynos_dp_poweron(dp);
>  		break;
>  	case DRM_MODE_DPMS_STANDBY:
>  	case DRM_MODE_DPMS_SUSPEND:
>  	case DRM_MODE_DPMS_OFF:
> -		exynos_dp_poweroff(display);
> +		exynos_dp_poweroff(dp);
>  		break;
>  	default:
>  		break;
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> index 39f7fa7..925fc69 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
> @@ -253,9 +253,8 @@ static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, int win,
>  	writel(val, ctx->regs + SHADOWCON);
>  }
>  
> -static void fimd_clear_channel(struct exynos_drm_crtc *crtc)
> +static void fimd_clear_channel(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
>  	int win, ch_enabled = 0;
>  
>  	DRM_DEBUG_KMS("%s\n", __FILE__);
> @@ -280,7 +279,7 @@ static void fimd_clear_channel(struct exynos_drm_crtc *crtc)
>  		unsigned int state = ctx->suspended;
>  
>  		ctx->suspended = 0;
> -		fimd_wait_for_vblank(crtc);
> +		fimd_wait_for_vblank(ctx->crtc);
>  		ctx->suspended = state;
>  	}
>  }
> @@ -302,7 +301,7 @@ static int fimd_ctx_initialize(struct fimd_context *ctx,
>  		 * If any channel is already active, iommu will throw
>  		 * a PAGE FAULT when enabled. So clear any channel if enabled.
>  		 */
> -		fimd_clear_channel(ctx->crtc);
> +		fimd_clear_channel(ctx);
>  		ret = drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
>  		if (ret) {
>  			DRM_ERROR("drm_iommu_attach failed.\n");
> @@ -823,9 +822,8 @@ static void fimd_win_disable(struct exynos_drm_crtc *crtc, int zpos)
>  	win_data->enabled = false;
>  }
>  
> -static void fimd_window_suspend(struct exynos_drm_crtc *crtc)
> +static void fimd_window_suspend(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
>  	struct fimd_win_data *win_data;
>  	int i;
>  
> @@ -833,13 +831,12 @@ static void fimd_window_suspend(struct exynos_drm_crtc *crtc)
>  		win_data = &ctx->win_data[i];
>  		win_data->resume = win_data->enabled;
>  		if (win_data->enabled)
> -			fimd_win_disable(crtc, i);
> +			fimd_win_disable(ctx->crtc, i);
>  	}
>  }
>  
> -static void fimd_window_resume(struct exynos_drm_crtc *crtc)
> +static void fimd_window_resume(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
>  	struct fimd_win_data *win_data;
>  	int i;
>  
> @@ -850,26 +847,24 @@ static void fimd_window_resume(struct exynos_drm_crtc *crtc)
>  	}
>  }
>  
> -static void fimd_apply(struct exynos_drm_crtc *crtc)
> +static void fimd_apply(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
>  	struct fimd_win_data *win_data;
>  	int i;
>  
>  	for (i = 0; i < WINDOWS_NR; i++) {
>  		win_data = &ctx->win_data[i];
>  		if (win_data->enabled)
> -			fimd_win_commit(crtc, i);
> +			fimd_win_commit(ctx->crtc, i);
>  		else
> -			fimd_win_disable(crtc, i);
> +			fimd_win_disable(ctx->crtc, i);
>  	}
>  
> -	fimd_commit(crtc);
> +	fimd_commit(ctx->crtc);
>  }
>  
> -static int fimd_poweron(struct exynos_drm_crtc *crtc)
> +static int fimd_poweron(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
>  	int ret;
>  
>  	if (!ctx->suspended)
> @@ -893,16 +888,16 @@ static int fimd_poweron(struct exynos_drm_crtc *crtc)
>  
>  	/* if vblank was enabled status, enable it again. */
>  	if (test_and_clear_bit(0, &ctx->irq_flags)) {
> -		ret = fimd_enable_vblank(crtc);
> +		ret = fimd_enable_vblank(ctx->crtc);
>  		if (ret) {
>  			DRM_ERROR("Failed to re-enable vblank [%d]\n", ret);
>  			goto enable_vblank_err;
>  		}
>  	}
>  
> -	fimd_window_resume(crtc);
> +	fimd_window_resume(ctx);
>  
> -	fimd_apply(crtc);
> +	fimd_apply(ctx);
>  
>  	return 0;
>  
> @@ -915,10 +910,8 @@ bus_clk_err:
>  	return ret;
>  }
>  
> -static int fimd_poweroff(struct exynos_drm_crtc *crtc)
> +static int fimd_poweroff(struct fimd_context *ctx)
>  {
> -	struct fimd_context *ctx = crtc->ctx;
> -
>  	if (ctx->suspended)
>  		return 0;
>  
> @@ -927,7 +920,7 @@ static int fimd_poweroff(struct exynos_drm_crtc *crtc)
>  	 * suspend that connector. Otherwise we might try to scan from
>  	 * a destroyed buffer later.
>  	 */
> -	fimd_window_suspend(crtc);
> +	fimd_window_suspend(ctx);
>  
>  	clk_disable_unprepare(ctx->lcd_clk);
>  	clk_disable_unprepare(ctx->bus_clk);
> @@ -944,12 +937,12 @@ static void fimd_dpms(struct exynos_drm_crtc *crtc, int mode)
>  
>  	switch (mode) {
>  	case DRM_MODE_DPMS_ON:
> -		fimd_poweron(crtc);
> +		fimd_poweron(crtc->ctx);
>  		break;
>  	case DRM_MODE_DPMS_STANDBY:
>  	case DRM_MODE_DPMS_SUSPEND:
>  	case DRM_MODE_DPMS_OFF:
> -		fimd_poweroff(crtc);
> +		fimd_poweroff(crtc->ctx);
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("unspecified mode %d\n", mode);
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> index fb68d3c..b886972 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
> @@ -97,17 +97,16 @@ static const char fake_edid_info[] = {
>  	0x00, 0x00, 0x00, 0x06
>  };
>  
> -static void vidi_apply(struct exynos_drm_crtc *crtc)
> +static void vidi_apply(struct vidi_context *ctx)
>  {
> -	struct vidi_context *ctx = crtc->ctx;
> -	struct exynos_drm_crtc_ops *crtc_ops = crtc->ops;
> +	struct exynos_drm_crtc_ops *crtc_ops = ctx->crtc->ops;
>  	struct vidi_win_data *win_data;
>  	int i;
>  
>  	for (i = 0; i < WINDOWS_NR; i++) {
>  		win_data = &ctx->win_data[i];
>  		if (win_data->enabled && (crtc_ops && crtc_ops->win_commit))
> -			crtc_ops->win_commit(crtc, i);
> +			crtc_ops->win_commit(ctx->crtc, i);
>  	}
>  }
>  
> @@ -240,10 +239,8 @@ static void vidi_win_disable(struct exynos_drm_crtc *crtc, int zpos)
>  	/* TODO. */
>  }
>  
> -static int vidi_power_on(struct exynos_drm_crtc *crtc, bool enable)
> +static int vidi_power_on(struct vidi_context *ctx, bool enable)
>  {
> -	struct vidi_context *ctx = crtc->ctx;
> -
>  	DRM_DEBUG_KMS("%s\n", __FILE__);
>  
>  	if (enable != false && enable != true)
> @@ -254,9 +251,9 @@ static int vidi_power_on(struct exynos_drm_crtc *crtc, bool enable)
>  
>  		/* if vblank was enabled status, enable it again. */
>  		if (test_and_clear_bit(0, &ctx->irq_flags))
> -			vidi_enable_vblank(crtc);
> +			vidi_enable_vblank(ctx->crtc);
>  
> -		vidi_apply(crtc);
> +		vidi_apply(ctx);
>  	} else {
>  		ctx->suspended = true;
>  	}
> @@ -274,12 +271,12 @@ static void vidi_dpms(struct exynos_drm_crtc *crtc, int mode)
>  
>  	switch (mode) {
>  	case DRM_MODE_DPMS_ON:
> -		vidi_power_on(crtc, true);
> +		vidi_power_on(ctx, true);
>  		break;
>  	case DRM_MODE_DPMS_STANDBY:
>  	case DRM_MODE_DPMS_SUSPEND:
>  	case DRM_MODE_DPMS_OFF:
> -		vidi_power_on(crtc, false);
> +		vidi_power_on(ctx, false);
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("unspecified mode %d\n", mode);
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index 98051e8..229b361 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -2032,9 +2032,8 @@ static void hdmi_commit(struct exynos_drm_display *display)
>  	hdmi_conf_apply(hdata);
>  }
>  
> -static void hdmi_poweron(struct exynos_drm_display *display)
> +static void hdmi_poweron(struct hdmi_context *hdata)
>  {
> -	struct hdmi_context *hdata = display_to_hdmi(display);
>  	struct hdmi_resources *res = &hdata->res;
>  
>  	mutex_lock(&hdata->hdmi_mutex);
> @@ -2060,12 +2059,11 @@ static void hdmi_poweron(struct exynos_drm_display *display)
>  	clk_prepare_enable(res->sclk_hdmi);
>  
>  	hdmiphy_poweron(hdata);
> -	hdmi_commit(display);
> +	hdmi_commit(&hdata->display);
>  }
>  
> -static void hdmi_poweroff(struct exynos_drm_display *display)
> +static void hdmi_poweroff(struct hdmi_context *hdata)
>  {
> -	struct hdmi_context *hdata = display_to_hdmi(display);
>  	struct hdmi_resources *res = &hdata->res;
>  
>  	mutex_lock(&hdata->hdmi_mutex);
> @@ -2109,7 +2107,7 @@ static void hdmi_dpms(struct exynos_drm_display *display, int mode)
>  
>  	switch (mode) {
>  	case DRM_MODE_DPMS_ON:
> -		hdmi_poweron(display);
> +		hdmi_poweron(hdata);
>  		break;
>  	case DRM_MODE_DPMS_STANDBY:
>  	case DRM_MODE_DPMS_SUSPEND:
> @@ -2128,7 +2126,7 @@ static void hdmi_dpms(struct exynos_drm_display *display, int mode)
>  		if (funcs && funcs->dpms)
>  			(*funcs->dpms)(crtc, mode);
>  
> -		hdmi_poweroff(display);
> +		hdmi_poweroff(hdata);
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
> index a3a5db3..39d37d6 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -1054,23 +1054,21 @@ static void mixer_wait_for_vblank(struct exynos_drm_crtc *crtc)
>  	drm_vblank_put(mixer_ctx->drm_dev, mixer_ctx->pipe);
>  }
>  
> -static void mixer_window_suspend(struct exynos_drm_crtc *crtc)
> +static void mixer_window_suspend(struct mixer_context *ctx)
>  {
> -	struct mixer_context *ctx = crtc->ctx;
>  	struct hdmi_win_data *win_data;
>  	int i;
>  
>  	for (i = 0; i < MIXER_WIN_NR; i++) {
>  		win_data = &ctx->win_data[i];
>  		win_data->resume = win_data->enabled;
> -		mixer_win_disable(crtc, i);
> +		mixer_win_disable(ctx->crtc, i);
>  	}
> -	mixer_wait_for_vblank(crtc);
> +	mixer_wait_for_vblank(ctx->crtc);
>  }
>  
> -static void mixer_window_resume(struct exynos_drm_crtc *crtc)
> +static void mixer_window_resume(struct mixer_context *ctx)
>  {
> -	struct mixer_context *ctx = crtc->ctx;
>  	struct hdmi_win_data *win_data;
>  	int i;
>  
> @@ -1079,13 +1077,12 @@ static void mixer_window_resume(struct exynos_drm_crtc *crtc)
>  		win_data->enabled = win_data->resume;
>  		win_data->resume = false;
>  		if (win_data->enabled)
> -			mixer_win_commit(crtc, i);
> +			mixer_win_commit(ctx->crtc, i);
>  	}
>  }
>  
> -static void mixer_poweron(struct exynos_drm_crtc *crtc)
> +static void mixer_poweron(struct mixer_context *ctx)
>  {
> -	struct mixer_context *ctx = crtc->ctx;
>  	struct mixer_resources *res = &ctx->mixer_res;
>  
>  	mutex_lock(&ctx->mixer_mutex);
> @@ -1115,12 +1112,11 @@ static void mixer_poweron(struct exynos_drm_crtc *crtc)
>  	mixer_reg_write(res, MXR_INT_EN, ctx->int_en);
>  	mixer_win_reset(ctx);
>  
> -	mixer_window_resume(crtc);
> +	mixer_window_resume(ctx);
>  }
>  
> -static void mixer_poweroff(struct exynos_drm_crtc *crtc)
> +static void mixer_poweroff(struct mixer_context *ctx)
>  {
> -	struct mixer_context *ctx = crtc->ctx;
>  	struct mixer_resources *res = &ctx->mixer_res;
>  
>  	mutex_lock(&ctx->mixer_mutex);
> @@ -1131,7 +1127,7 @@ static void mixer_poweroff(struct exynos_drm_crtc *crtc)
>  	mutex_unlock(&ctx->mixer_mutex);
>  
>  	mixer_stop(ctx);
> -	mixer_window_suspend(crtc);
> +	mixer_window_suspend(ctx);
>  
>  	ctx->int_en = mixer_reg_read(res, MXR_INT_EN);
>  
> @@ -1154,12 +1150,12 @@ static void mixer_dpms(struct exynos_drm_crtc *crtc, int mode)
>  {
>  	switch (mode) {
>  	case DRM_MODE_DPMS_ON:
> -		mixer_poweron(crtc);
> +		mixer_poweron(crtc->ctx);
>  		break;
>  	case DRM_MODE_DPMS_STANDBY:
>  	case DRM_MODE_DPMS_SUSPEND:
>  	case DRM_MODE_DPMS_OFF:
> -		mixer_poweroff(crtc);
> +		mixer_poweroff(crtc->ctx);
>  		break;
>  	default:
>  		DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
> 



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