[PATCH 43/48] drm: omapdrm: dss: Pass omap_drm_private pointer to dss_mgr_ops
Sebastian Reichel
sre at kernel.org
Tue Oct 17 21:23:15 UTC 2017
Hi,
On Fri, Oct 13, 2017 at 05:59:39PM +0300, Laurent Pinchart wrote:
> The dss_mgr_ops operations implemented by the omapdrm side have to look
> up the omap_crtc objects from global variables as they are only passed a
> channel number. In order to remove global variables pass the
> omap_drm_private pointer to the dss_mgr_ops. This requires storing a
> pointer to the dss_device in the omap_dss_device structure to allow
> looking up the omap_drm_private in the dss_mgr_*() functions.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.co.uk>
-- Sebastian
> drivers/gpu/drm/omapdrm/dss/dpi.c | 1 +
> drivers/gpu/drm/omapdrm/dss/dsi.c | 1 +
> drivers/gpu/drm/omapdrm/dss/dss.c | 37 ---------------------------------
> drivers/gpu/drm/omapdrm/dss/dss.h | 37 +++++++++++++++++++++++++++++++++
> drivers/gpu/drm/omapdrm/dss/hdmi4.c | 1 +
> drivers/gpu/drm/omapdrm/dss/hdmi5.c | 1 +
> drivers/gpu/drm/omapdrm/dss/omapdss.h | 39 ++++++++++++++++++++++-------------
> drivers/gpu/drm/omapdrm/dss/output.c | 23 +++++++++++++--------
> drivers/gpu/drm/omapdrm/dss/sdi.c | 1 +
> drivers/gpu/drm/omapdrm/dss/venc.c | 1 +
> drivers/gpu/drm/omapdrm/omap_crtc.c | 27 ++++++++++++++----------
> 11 files changed, 98 insertions(+), 71 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
> index 3894e53ff58d..ae43ba81eb96 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dpi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
> @@ -727,6 +727,7 @@ static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port)
> }
>
> out->dev = &dpi->pdev->dev;
> + out->dss = dpi->dss;
> out->id = OMAP_DSS_OUTPUT_DPI;
> out->output_type = OMAP_DISPLAY_TYPE_DPI;
> out->dispc_channel = dpi_get_channel(dpi, port_num);
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index 512625ed03e2..eafea72998dd 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -5044,6 +5044,7 @@ static void dsi_init_output(struct dsi_data *dsi)
> struct omap_dss_device *out = &dsi->output;
>
> out->dev = dsi->dev;
> + out->dss = dsi->dss;
> out->id = dsi->module_id == 0 ?
> OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
> index 8fec9bf6f06f..0e8c70591308 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dss.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dss.c
> @@ -49,9 +49,6 @@
>
> #include "omapdss.h"
> #include "dss.h"
> -#include "../omap_drv.h"
> -
> -#define DSS_SZ_REGS SZ_512
>
> struct dss_reg {
> u16 idx;
> @@ -96,40 +93,6 @@ struct dss_features {
> bool has_lcd_clk_src;
> };
>
> -struct dss_device {
> - struct platform_device *pdev;
> - struct omap_drm_private drm;
> -
> - void __iomem *base;
> - struct regmap *syscon_pll_ctrl;
> - u32 syscon_pll_ctrl_offset;
> -
> - struct clk *parent_clk;
> - struct clk *dss_clk;
> - unsigned long dss_clk_rate;
> -
> - unsigned long cache_req_pck;
> - unsigned long cache_prate;
> - struct dispc_clock_info cache_dispc_cinfo;
> -
> - enum dss_clk_source dsi_clk_source[MAX_NUM_DSI];
> - enum dss_clk_source dispc_clk_source;
> - enum dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS];
> -
> - bool ctx_valid;
> - u32 ctx[DSS_SZ_REGS / sizeof(u32)];
> -
> - const struct dss_features *feat;
> -
> - struct {
> - struct dss_debugfs_entry *clk;
> - struct dss_debugfs_entry *dss;
> - } debugfs;
> -
> - struct dss_pll *video1_pll;
> - struct dss_pll *video2_pll;
> -};
> -
> static const char * const dss_generic_clk_source_names[] = {
> [DSS_CLK_SRC_FCK] = "FCK",
> [DSS_CLK_SRC_PLL1_1] = "PLL1:1",
> diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
> index 5d6f8afca49d..cda2cbd888f0 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dss.h
> +++ b/drivers/gpu/drm/omapdrm/dss/dss.h
> @@ -26,6 +26,7 @@
> #include <linux/interrupt.h>
>
> #include "omapdss.h"
> +#include "../omap_drv.h"
>
> struct dentry;
> struct dss_debugfs_entry;
> @@ -241,6 +242,42 @@ struct dss_lcd_mgr_config {
> int lcden_sig_polarity;
> };
>
> +#define DSS_SZ_REGS SZ_512
> +
> +struct dss_device {
> + struct platform_device *pdev;
> + struct omap_drm_private drm;
> +
> + void __iomem *base;
> + struct regmap *syscon_pll_ctrl;
> + u32 syscon_pll_ctrl_offset;
> +
> + struct clk *parent_clk;
> + struct clk *dss_clk;
> + unsigned long dss_clk_rate;
> +
> + unsigned long cache_req_pck;
> + unsigned long cache_prate;
> + struct dispc_clock_info cache_dispc_cinfo;
> +
> + enum dss_clk_source dsi_clk_source[MAX_NUM_DSI];
> + enum dss_clk_source dispc_clk_source;
> + enum dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS];
> +
> + bool ctx_valid;
> + u32 ctx[DSS_SZ_REGS / sizeof(u32)];
> +
> + const struct dss_features *feat;
> +
> + struct {
> + struct dss_debugfs_entry *clk;
> + struct dss_debugfs_entry *dss;
> + } debugfs;
> +
> + struct dss_pll *video1_pll;
> + struct dss_pll *video2_pll;
> +};
> +
> /* core */
> static inline int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
> {
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> index 56de3c75b0a0..501813f03466 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> @@ -566,6 +566,7 @@ static void hdmi_init_output(struct omap_hdmi *hdmi)
> struct omap_dss_device *out = &hdmi->output;
>
> out->dev = &hdmi->pdev->dev;
> + out->dss = hdmi->dss;
> out->id = OMAP_DSS_OUTPUT_HDMI;
> out->output_type = OMAP_DISPLAY_TYPE_HDMI;
> out->name = "hdmi->0";
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> index 1e839af800e7..44954bdea6ce 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> @@ -558,6 +558,7 @@ static void hdmi_init_output(struct omap_hdmi *hdmi)
> struct omap_dss_device *out = &hdmi->output;
>
> out->dev = &hdmi->pdev->dev;
> + out->dss = hdmi->dss;
> out->id = OMAP_DSS_OUTPUT_HDMI;
> out->output_type = OMAP_DISPLAY_TYPE_HDMI;
> out->name = "hdmi->0";
> diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> index 32c5944b0bea..76ce94376454 100644
> --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> @@ -59,6 +59,7 @@
> #define DISPC_IRQ_ACBIAS_COUNT_STAT3 (1 << 29)
> #define DISPC_IRQ_FRAMEDONE3 (1 << 30)
>
> +struct omap_drm_private;
> struct omap_dss_device;
> struct dss_lcd_mgr_config;
> struct snd_aes_iec958;
> @@ -471,6 +472,7 @@ struct omapdss_dsi_ops {
> struct omap_dss_device {
> struct kobject kobj;
> struct device *dev;
> + struct dss_device *dss; /* valid for DSS outputs only */
>
> struct module *owner;
>
> @@ -632,21 +634,30 @@ struct device_node *dss_of_port_get_parent_device(struct device_node *port);
> u32 dss_of_port_get_port_number(struct device_node *port);
>
> struct dss_mgr_ops {
> - int (*connect)(enum omap_channel channel,
> - struct omap_dss_device *dst);
> - void (*disconnect)(enum omap_channel channel,
> - struct omap_dss_device *dst);
> -
> - void (*start_update)(enum omap_channel channel);
> - int (*enable)(enum omap_channel channel);
> - void (*disable)(enum omap_channel channel);
> - void (*set_timings)(enum omap_channel channel,
> - const struct videomode *vm);
> - void (*set_lcd_config)(enum omap_channel channel,
> - const struct dss_lcd_mgr_config *config);
> - int (*register_framedone_handler)(enum omap_channel channel,
> + int (*connect)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> + struct omap_dss_device *dst);
> + void (*disconnect)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> + struct omap_dss_device *dst);
> +
> + void (*start_update)(struct omap_drm_private *priv,
> + enum omap_channel channel);
> + int (*enable)(struct omap_drm_private *priv,
> + enum omap_channel channel);
> + void (*disable)(struct omap_drm_private *priv,
> + enum omap_channel channel);
> + void (*set_timings)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> + const struct videomode *vm);
> + void (*set_lcd_config)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> + const struct dss_lcd_mgr_config *config);
> + int (*register_framedone_handler)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> void (*handler)(void *), void *data);
> - void (*unregister_framedone_handler)(enum omap_channel channel,
> + void (*unregister_framedone_handler)(struct omap_drm_private *priv,
> + enum omap_channel channel,
> void (*handler)(void *), void *data);
> };
>
> diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c
> index 0573b5099f8f..4a6ccad7e970 100644
> --- a/drivers/gpu/drm/omapdrm/dss/output.c
> +++ b/drivers/gpu/drm/omapdrm/dss/output.c
> @@ -21,6 +21,7 @@
> #include <linux/slab.h>
> #include <linux/of.h>
>
> +#include "dss.h"
> #include "omapdss.h"
>
> static LIST_HEAD(output_list);
> @@ -186,52 +187,56 @@ EXPORT_SYMBOL(dss_uninstall_mgr_ops);
>
> int dss_mgr_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst)
> {
> - return dss_mgr_ops->connect(dssdev->dispc_channel, dst);
> + return dss_mgr_ops->connect(&dssdev->dss->drm,
> + dssdev->dispc_channel, dst);
> }
>
> void dss_mgr_disconnect(struct omap_dss_device *dssdev,
> struct omap_dss_device *dst)
> {
> - dss_mgr_ops->disconnect(dssdev->dispc_channel, dst);
> + dss_mgr_ops->disconnect(&dssdev->dss->drm, dssdev->dispc_channel, dst);
> }
>
> void dss_mgr_set_timings(struct omap_dss_device *dssdev,
> const struct videomode *vm)
> {
> - dss_mgr_ops->set_timings(dssdev->dispc_channel, vm);
> + dss_mgr_ops->set_timings(&dssdev->dss->drm, dssdev->dispc_channel, vm);
> }
>
> void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev,
> const struct dss_lcd_mgr_config *config)
> {
> - dss_mgr_ops->set_lcd_config(dssdev->dispc_channel, config);
> + dss_mgr_ops->set_lcd_config(&dssdev->dss->drm,
> + dssdev->dispc_channel, config);
> }
>
> int dss_mgr_enable(struct omap_dss_device *dssdev)
> {
> - return dss_mgr_ops->enable(dssdev->dispc_channel);
> + return dss_mgr_ops->enable(&dssdev->dss->drm, dssdev->dispc_channel);
> }
>
> void dss_mgr_disable(struct omap_dss_device *dssdev)
> {
> - dss_mgr_ops->disable(dssdev->dispc_channel);
> + dss_mgr_ops->disable(&dssdev->dss->drm, dssdev->dispc_channel);
> }
>
> void dss_mgr_start_update(struct omap_dss_device *dssdev)
> {
> - dss_mgr_ops->start_update(dssdev->dispc_channel);
> + dss_mgr_ops->start_update(&dssdev->dss->drm, dssdev->dispc_channel);
> }
>
> int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev,
> void (*handler)(void *), void *data)
> {
> - return dss_mgr_ops->register_framedone_handler(dssdev->dispc_channel,
> + return dss_mgr_ops->register_framedone_handler(&dssdev->dss->drm,
> + dssdev->dispc_channel,
> handler, data);
> }
>
> void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev,
> void (*handler)(void *), void *data)
> {
> - dss_mgr_ops->unregister_framedone_handler(dssdev->dispc_channel,
> + dss_mgr_ops->unregister_framedone_handler(&dssdev->dss->drm,
> + dssdev->dispc_channel,
> handler, data);
> }
> diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c
> index 681a3653dd8c..c41bf0d7dd18 100644
> --- a/drivers/gpu/drm/omapdrm/dss/sdi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
> @@ -332,6 +332,7 @@ static void sdi_init_output(struct sdi_device *sdi)
> struct omap_dss_device *out = &sdi->output;
>
> out->dev = &sdi->pdev->dev;
> + out->dss = sdi->dss;
> out->id = OMAP_DSS_OUTPUT_SDI;
> out->output_type = OMAP_DISPLAY_TYPE_SDI;
> out->name = "sdi.0";
> diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
> index d82645e84db7..f120d2910d0d 100644
> --- a/drivers/gpu/drm/omapdrm/dss/venc.c
> +++ b/drivers/gpu/drm/omapdrm/dss/venc.c
> @@ -821,6 +821,7 @@ static void venc_init_output(struct venc_device *venc)
> struct omap_dss_device *out = &venc->output;
>
> out->dev = &venc->pdev->dev;
> + out->dss = venc->dss;
> out->id = OMAP_DSS_OUTPUT_VENC;
> out->output_type = OMAP_DISPLAY_TYPE_VENC;
> out->name = "venc.0";
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
> index f78eac4a8b34..90a61a8199b4 100644
> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
> @@ -114,7 +114,8 @@ static struct omap_crtc *omap_crtcs[8];
> static struct omap_dss_device *omap_crtc_output[8];
>
> /* we can probably ignore these until we support command-mode panels: */
> -static int omap_crtc_dss_connect(enum omap_channel channel,
> +static int omap_crtc_dss_connect(struct omap_drm_private *priv,
> + enum omap_channel channel,
> struct omap_dss_device *dst)
> {
> const struct dispc_ops *dispc_ops = dispc_get_ops();
> @@ -131,14 +132,16 @@ static int omap_crtc_dss_connect(enum omap_channel channel,
> return 0;
> }
>
> -static void omap_crtc_dss_disconnect(enum omap_channel channel,
> +static void omap_crtc_dss_disconnect(struct omap_drm_private *priv,
> + enum omap_channel channel,
> struct omap_dss_device *dst)
> {
> omap_crtc_output[channel] = NULL;
> dst->dispc_channel_connected = false;
> }
>
> -static void omap_crtc_dss_start_update(enum omap_channel channel)
> +static void omap_crtc_dss_start_update(struct omap_drm_private *priv,
> + enum omap_channel channel)
> {
> }
>
> @@ -208,10 +211,10 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable)
> }
>
>
> -static int omap_crtc_dss_enable(enum omap_channel channel)
> +static int omap_crtc_dss_enable(struct omap_drm_private *priv,
> + enum omap_channel channel)
> {
> struct omap_crtc *omap_crtc = omap_crtcs[channel];
> - struct omap_drm_private *priv = omap_crtc->base.dev->dev_private;
>
> priv->dispc_ops->mgr_set_timings(omap_crtc->channel, &omap_crtc->vm);
> omap_crtc_set_enabled(&omap_crtc->base, true);
> @@ -219,14 +222,16 @@ static int omap_crtc_dss_enable(enum omap_channel channel)
> return 0;
> }
>
> -static void omap_crtc_dss_disable(enum omap_channel channel)
> +static void omap_crtc_dss_disable(struct omap_drm_private *priv,
> + enum omap_channel channel)
> {
> struct omap_crtc *omap_crtc = omap_crtcs[channel];
>
> omap_crtc_set_enabled(&omap_crtc->base, false);
> }
>
> -static void omap_crtc_dss_set_timings(enum omap_channel channel,
> +static void omap_crtc_dss_set_timings(struct omap_drm_private *priv,
> + enum omap_channel channel,
> const struct videomode *vm)
> {
> struct omap_crtc *omap_crtc = omap_crtcs[channel];
> @@ -234,25 +239,25 @@ static void omap_crtc_dss_set_timings(enum omap_channel channel,
> omap_crtc->vm = *vm;
> }
>
> -static void omap_crtc_dss_set_lcd_config(enum omap_channel channel,
> +static void omap_crtc_dss_set_lcd_config(struct omap_drm_private *priv,
> + enum omap_channel channel,
> const struct dss_lcd_mgr_config *config)
> {
> struct omap_crtc *omap_crtc = omap_crtcs[channel];
> - struct omap_drm_private *priv = omap_crtc->base.dev->dev_private;
>
> DBG("%s", omap_crtc->name);
> priv->dispc_ops->mgr_set_lcd_config(omap_crtc->channel, config);
> }
>
> static int omap_crtc_dss_register_framedone(
> - enum omap_channel channel,
> + struct omap_drm_private *priv, enum omap_channel channel,
> void (*handler)(void *), void *data)
> {
> return 0;
> }
>
> static void omap_crtc_dss_unregister_framedone(
> - enum omap_channel channel,
> + struct omap_drm_private *priv, enum omap_channel channel,
> void (*handler)(void *), void *data)
> {
> }
> --
> Regards,
>
> Laurent Pinchart
>
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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