[PATCH 24/48] drm: omapdrm: sdi: Pass DSS pointer to dss_sdi_*() functions

Sebastian Reichel sre at kernel.org
Mon Oct 16 09:03:06 UTC 2017


Hi,

On Mon, Oct 16, 2017 at 10:47:32AM +0200, Sebastian Reichel wrote:
> Hi Laurent,
> 
> On Fri, Oct 13, 2017 at 05:59:20PM +0300, Laurent Pinchart wrote:
> > This removes the need to access the global DSS private data in those
> > functions (both for the current accesses and the future ones that will
> > be introduced when allocating the DSS device dynamically).
> > 
> > Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > ---
> >  drivers/gpu/drm/omapdrm/dss/dss.c |  8 ++++----
> >  drivers/gpu/drm/omapdrm/dss/dss.h | 14 ++++++++------
> >  drivers/gpu/drm/omapdrm/dss/sdi.c | 13 ++++++++-----
> >  3 files changed, 20 insertions(+), 15 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
> > index 7179d02e7451..f8b71e24a07d 100644
> > --- a/drivers/gpu/drm/omapdrm/dss/dss.c
> > +++ b/drivers/gpu/drm/omapdrm/dss/dss.c
> > @@ -287,7 +287,7 @@ static int dss_ctrl_pll_set_control_mux(enum dss_clk_source clk_src,
> >  	return 0;
> >  }
> >  
> > -void dss_sdi_init(int datapairs)
> > +void dss_sdi_init(struct dss_device *dss, int datapairs)
> >  {
> >  	u32 l;
> >  
> > @@ -306,7 +306,7 @@ void dss_sdi_init(int datapairs)
> >  	dss_write_reg(DSS_PLL_CONTROL, l);
> >  }
> >  
> > -int dss_sdi_enable(void)
> > +int dss_sdi_enable(struct dss_device *dss)
> >  {
> >  	unsigned long timeout;
> >  
> > @@ -364,7 +364,7 @@ int dss_sdi_enable(void)
> >  	return -ETIMEDOUT;
> >  }
> >  
> > -void dss_sdi_disable(void)
> > +void dss_sdi_disable(struct dss_device *dss)
> >  {
> >  	dispc_lcd_enable_signal(0);
> >  
> > @@ -1226,7 +1226,7 @@ static int dss_init_ports(struct platform_device *pdev)
> >  			dpi_init_port(pdev, port, dss.feat->model);
> >  			break;
> >  		case OMAP_DISPLAY_TYPE_SDI:
> > -			sdi_init_port(pdev, port);
> > +			sdi_init_port(&dss, pdev, port);
> 
> I guess this should be 'dss' instead of '&dss'? Otherwise looks
> fine.

Oops, read to fast, this is correct.

Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.co.uk>

-- Sebastian

> -- Sebastian
> 
> >  			break;
> >  		default:
> >  			break;
> > diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
> > index 0b8facf258cf..08651f101518 100644
> > --- a/drivers/gpu/drm/omapdrm/dss/dss.h
> > +++ b/drivers/gpu/drm/omapdrm/dss/dss.h
> > @@ -300,9 +300,9 @@ void dss_video_pll_uninit(struct dss_pll *pll);
> >  
> >  void dss_ctrl_pll_enable(struct dss_pll *pll, bool enable);
> >  
> > -void dss_sdi_init(int datapairs);
> > -int dss_sdi_enable(void);
> > -void dss_sdi_disable(void);
> > +void dss_sdi_init(struct dss_device *dss, int datapairs);
> > +int dss_sdi_enable(struct dss_device *dss);
> > +void dss_sdi_disable(struct dss_device *dss);
> >  
> >  void dss_select_dsi_clk_source(int dsi_module,
> >  		enum dss_clk_source clk_src);
> > @@ -323,11 +323,13 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
> >  
> >  /* SDI */
> >  #ifdef CONFIG_OMAP2_DSS_SDI
> > -int sdi_init_port(struct platform_device *pdev, struct device_node *port);
> > +int sdi_init_port(struct dss_device *dss, struct platform_device *pdev,
> > +		  struct device_node *port);
> >  void sdi_uninit_port(struct device_node *port);
> >  #else
> > -static inline int sdi_init_port(struct platform_device *pdev,
> > -		struct device_node *port)
> > +static inline int sdi_init_port(struct dss_device *dss,
> > +				struct platform_device *pdev,
> > +				struct device_node *port)
> >  {
> >  	return 0;
> >  }
> > diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c
> > index d18ad58c5a19..39cb5c8af0dc 100644
> > --- a/drivers/gpu/drm/omapdrm/dss/sdi.c
> > +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
> > @@ -33,6 +33,7 @@
> >  
> >  static struct {
> >  	struct platform_device *pdev;
> > +	struct dss_device *dss;
> >  
> >  	bool update_enabled;
> >  	struct regulator *vdds_sdi_reg;
> > @@ -189,8 +190,8 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
> >  	 */
> >  	dispc_mgr_set_clock_div(channel, &sdi.mgr_config.clock_info);
> >  
> > -	dss_sdi_init(sdi.datapairs);
> > -	r = dss_sdi_enable();
> > +	dss_sdi_init(sdi.dss, sdi.datapairs);
> > +	r = dss_sdi_enable(sdi.dss);
> >  	if (r)
> >  		goto err_sdi_enable;
> >  	mdelay(2);
> > @@ -202,7 +203,7 @@ static int sdi_display_enable(struct omap_dss_device *dssdev)
> >  	return 0;
> >  
> >  err_mgr_enable:
> > -	dss_sdi_disable();
> > +	dss_sdi_disable(sdi.dss);
> >  err_sdi_enable:
> >  err_set_dss_clock_div:
> >  err_calc_clock_div:
> > @@ -219,7 +220,7 @@ static void sdi_display_disable(struct omap_dss_device *dssdev)
> >  
> >  	dss_mgr_disable(channel);
> >  
> > -	dss_sdi_disable();
> > +	dss_sdi_disable(sdi.dss);
> >  
> >  	dispc_runtime_put();
> >  
> > @@ -347,7 +348,8 @@ static void sdi_uninit_output(struct platform_device *pdev)
> >  	omapdss_unregister_output(out);
> >  }
> >  
> > -int sdi_init_port(struct platform_device *pdev, struct device_node *port)
> > +int sdi_init_port(struct dss_device *dss, struct platform_device *pdev,
> > +		  struct device_node *port)
> >  {
> >  	struct device_node *ep;
> >  	u32 datapairs;
> > @@ -364,6 +366,7 @@ int sdi_init_port(struct platform_device *pdev, struct device_node *port)
> >  	}
> >  
> >  	sdi.datapairs = datapairs;
> > +	sdi.dss = dss;
> >  
> >  	of_node_put(ep);
> >  
> > -- 
> > Regards,
> > 
> > Laurent Pinchart
> > 
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel



> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
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