| Message ID | 20211026181240.213806-3-paul@crapouillou.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/ingenic: Various improvements v3 | expand |
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com> On Tue, Oct 26, 2021 at 8:12 PM Paul Cercueil <paul@crapouillou.net> wrote: > > Until now, the ingenic-drm as well as the ingenic-ipu drivers used to > put state-specific information in their respective private structure. > > Add boilerplate code to support private objects in the two drivers, so > that state-specific information can be put in the state-specific private > structure. > > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 61 +++++++++++++++++++++++ > drivers/gpu/drm/ingenic/ingenic-ipu.c | 54 ++++++++++++++++++++ > 2 files changed, 115 insertions(+) > > diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c > index 95c12c2aba14..5dbeca0f8f37 100644 > --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c > +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c > @@ -64,6 +64,10 @@ struct jz_soc_info { > unsigned int num_formats_f0, num_formats_f1; > }; > > +struct ingenic_drm_private_state { > + struct drm_private_state base; > +}; > + > struct ingenic_drm { > struct drm_device drm; > /* > @@ -99,8 +103,16 @@ struct ingenic_drm { > struct mutex clk_mutex; > bool update_clk_rate; > struct notifier_block clock_nb; > + > + struct drm_private_obj private_obj; > }; > > +static inline struct ingenic_drm_private_state * > +to_ingenic_drm_priv_state(struct drm_private_state *state) > +{ > + return container_of(state, struct ingenic_drm_private_state, base); > +} > + > static bool ingenic_drm_writeable_reg(struct device *dev, unsigned int reg) > { > switch (reg) { > @@ -766,6 +778,28 @@ ingenic_drm_gem_create_object(struct drm_device *drm, size_t size) > return &obj->base; > } > > +static struct drm_private_state * > +ingenic_drm_duplicate_state(struct drm_private_obj *obj) > +{ > + struct ingenic_drm_private_state *state = to_ingenic_drm_priv_state(obj->state); > + > + state = kmemdup(state, sizeof(*state), GFP_KERNEL); > + if (!state) > + return NULL; > + > + __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); > + > + return &state->base; > +} > + > +static void ingenic_drm_destroy_state(struct drm_private_obj *obj, > + struct drm_private_state *state) > +{ > + struct ingenic_drm_private_state *priv_state = to_ingenic_drm_priv_state(state); > + > + kfree(priv_state); > +} > + > DEFINE_DRM_GEM_CMA_FOPS(ingenic_drm_fops); > > static const struct drm_driver ingenic_drm_driver_data = { > @@ -836,6 +870,11 @@ static struct drm_mode_config_helper_funcs ingenic_drm_mode_config_helpers = { > .atomic_commit_tail = drm_atomic_helper_commit_tail, > }; > > +static const struct drm_private_state_funcs ingenic_drm_private_state_funcs = { > + .atomic_duplicate_state = ingenic_drm_duplicate_state, > + .atomic_destroy_state = ingenic_drm_destroy_state, > +}; > + > static void ingenic_drm_unbind_all(void *d) > { > struct ingenic_drm *priv = d; > @@ -877,9 +916,15 @@ static void ingenic_drm_configure_hwdesc_plane(struct ingenic_drm *priv, > ingenic_drm_configure_hwdesc(priv, plane, plane, 0xf0 | plane); > } > > +static void ingenic_drm_atomic_private_obj_fini(struct drm_device *drm, void *private_obj) > +{ > + drm_atomic_private_obj_fini(private_obj); > +} > + > static int ingenic_drm_bind(struct device *dev, bool has_components) > { > struct platform_device *pdev = to_platform_device(dev); > + struct ingenic_drm_private_state *private_state; > const struct jz_soc_info *soc_info; > struct ingenic_drm *priv; > struct clk *parent_clk; > @@ -1148,6 +1193,20 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) > goto err_devclk_disable; > } > > + private_state = kzalloc(sizeof(*private_state), GFP_KERNEL); > + if (!private_state) { > + ret = -ENOMEM; > + goto err_clk_notifier_unregister; > + } > + > + drm_atomic_private_obj_init(drm, &priv->private_obj, &private_state->base, > + &ingenic_drm_private_state_funcs); > + > + ret = drmm_add_action_or_reset(drm, ingenic_drm_atomic_private_obj_fini, > + &priv->private_obj); > + if (ret) > + goto err_private_state_free; > + > ret = drm_dev_register(drm, 0); > if (ret) { > dev_err(dev, "Failed to register DRM driver\n"); > @@ -1158,6 +1217,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) > > return 0; > > +err_private_state_free: > + kfree(private_state); > err_clk_notifier_unregister: > clk_notifier_unregister(parent_clk, &priv->clock_nb); > err_devclk_disable: > diff --git a/drivers/gpu/drm/ingenic/ingenic-ipu.c b/drivers/gpu/drm/ingenic/ingenic-ipu.c > index aeb8a757d213..c819293b8317 100644 > --- a/drivers/gpu/drm/ingenic/ingenic-ipu.c > +++ b/drivers/gpu/drm/ingenic/ingenic-ipu.c > @@ -45,6 +45,10 @@ struct soc_info { > unsigned int weight, unsigned int offset); > }; > > +struct ingenic_ipu_private_state { > + struct drm_private_state base; > +}; > + > struct ingenic_ipu { > struct drm_plane plane; > struct drm_device *drm; > @@ -60,6 +64,8 @@ struct ingenic_ipu { > > struct drm_property *sharpness_prop; > unsigned int sharpness; > + > + struct drm_private_obj private_obj; > }; > > /* Signed 15.16 fixed-point math (for bicubic scaling coefficients) */ > @@ -73,6 +79,12 @@ static inline struct ingenic_ipu *plane_to_ingenic_ipu(struct drm_plane *plane) > return container_of(plane, struct ingenic_ipu, plane); > } > > +static inline struct ingenic_ipu_private_state * > +to_ingenic_ipu_priv_state(struct drm_private_state *state) > +{ > + return container_of(state, struct ingenic_ipu_private_state, base); > +} > + > /* > * Apply conventional cubic convolution kernel. Both parameters > * and return value are 15.16 signed fixed-point. > @@ -679,6 +691,33 @@ static const struct drm_plane_funcs ingenic_ipu_plane_funcs = { > .atomic_set_property = ingenic_ipu_plane_atomic_set_property, > }; > > +static struct drm_private_state * > +ingenic_ipu_duplicate_state(struct drm_private_obj *obj) > +{ > + struct ingenic_ipu_private_state *state = to_ingenic_ipu_priv_state(obj->state); > + > + state = kmemdup(state, sizeof(*state), GFP_KERNEL); > + if (!state) > + return NULL; > + > + __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); > + > + return &state->base; > +} > + > +static void ingenic_ipu_destroy_state(struct drm_private_obj *obj, > + struct drm_private_state *state) > +{ > + struct ingenic_ipu_private_state *priv_state = to_ingenic_ipu_priv_state(state); > + > + kfree(priv_state); > +} > + > +static const struct drm_private_state_funcs ingenic_ipu_private_state_funcs = { > + .atomic_duplicate_state = ingenic_ipu_duplicate_state, > + .atomic_destroy_state = ingenic_ipu_destroy_state, > +}; > + > static irqreturn_t ingenic_ipu_irq_handler(int irq, void *arg) > { > struct ingenic_ipu *ipu = arg; > @@ -717,6 +756,7 @@ static const struct regmap_config ingenic_ipu_regmap_config = { > static int ingenic_ipu_bind(struct device *dev, struct device *master, void *d) > { > struct platform_device *pdev = to_platform_device(dev); > + struct ingenic_ipu_private_state *private_state; > const struct soc_info *soc_info; > struct drm_device *drm = d; > struct drm_plane *plane; > @@ -810,7 +850,20 @@ static int ingenic_ipu_bind(struct device *dev, struct device *master, void *d) > return err; > } > > + private_state = kzalloc(sizeof(*private_state), GFP_KERNEL); > + if (!private_state) { > + err = -ENOMEM; > + goto err_clk_unprepare; > + } > + > + drm_atomic_private_obj_init(drm, &ipu->private_obj, &private_state->base, > + &ingenic_ipu_private_state_funcs); > + > return 0; > + > +err_clk_unprepare: > + clk_unprepare(ipu->clk); > + return err; > } > > static void ingenic_ipu_unbind(struct device *dev, > @@ -818,6 +871,7 @@ static void ingenic_ipu_unbind(struct device *dev, > { > struct ingenic_ipu *ipu = dev_get_drvdata(dev); > > + drm_atomic_private_obj_fini(&ipu->private_obj); > clk_unprepare(ipu->clk); > } > > -- > 2.33.0 >
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index 95c12c2aba14..5dbeca0f8f37 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -64,6 +64,10 @@ struct jz_soc_info { unsigned int num_formats_f0, num_formats_f1; }; +struct ingenic_drm_private_state { + struct drm_private_state base; +}; + struct ingenic_drm { struct drm_device drm; /* @@ -99,8 +103,16 @@ struct ingenic_drm { struct mutex clk_mutex; bool update_clk_rate; struct notifier_block clock_nb; + + struct drm_private_obj private_obj; }; +static inline struct ingenic_drm_private_state * +to_ingenic_drm_priv_state(struct drm_private_state *state) +{ + return container_of(state, struct ingenic_drm_private_state, base); +} + static bool ingenic_drm_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -766,6 +778,28 @@ ingenic_drm_gem_create_object(struct drm_device *drm, size_t size) return &obj->base; } +static struct drm_private_state * +ingenic_drm_duplicate_state(struct drm_private_obj *obj) +{ + struct ingenic_drm_private_state *state = to_ingenic_drm_priv_state(obj->state); + + state = kmemdup(state, sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); + + return &state->base; +} + +static void ingenic_drm_destroy_state(struct drm_private_obj *obj, + struct drm_private_state *state) +{ + struct ingenic_drm_private_state *priv_state = to_ingenic_drm_priv_state(state); + + kfree(priv_state); +} + DEFINE_DRM_GEM_CMA_FOPS(ingenic_drm_fops); static const struct drm_driver ingenic_drm_driver_data = { @@ -836,6 +870,11 @@ static struct drm_mode_config_helper_funcs ingenic_drm_mode_config_helpers = { .atomic_commit_tail = drm_atomic_helper_commit_tail, }; +static const struct drm_private_state_funcs ingenic_drm_private_state_funcs = { + .atomic_duplicate_state = ingenic_drm_duplicate_state, + .atomic_destroy_state = ingenic_drm_destroy_state, +}; + static void ingenic_drm_unbind_all(void *d) { struct ingenic_drm *priv = d; @@ -877,9 +916,15 @@ static void ingenic_drm_configure_hwdesc_plane(struct ingenic_drm *priv, ingenic_drm_configure_hwdesc(priv, plane, plane, 0xf0 | plane); } +static void ingenic_drm_atomic_private_obj_fini(struct drm_device *drm, void *private_obj) +{ + drm_atomic_private_obj_fini(private_obj); +} + static int ingenic_drm_bind(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); + struct ingenic_drm_private_state *private_state; const struct jz_soc_info *soc_info; struct ingenic_drm *priv; struct clk *parent_clk; @@ -1148,6 +1193,20 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) goto err_devclk_disable; } + private_state = kzalloc(sizeof(*private_state), GFP_KERNEL); + if (!private_state) { + ret = -ENOMEM; + goto err_clk_notifier_unregister; + } + + drm_atomic_private_obj_init(drm, &priv->private_obj, &private_state->base, + &ingenic_drm_private_state_funcs); + + ret = drmm_add_action_or_reset(drm, ingenic_drm_atomic_private_obj_fini, + &priv->private_obj); + if (ret) + goto err_private_state_free; + ret = drm_dev_register(drm, 0); if (ret) { dev_err(dev, "Failed to register DRM driver\n"); @@ -1158,6 +1217,8 @@ static int ingenic_drm_bind(struct device *dev, bool has_components) return 0; +err_private_state_free: + kfree(private_state); err_clk_notifier_unregister: clk_notifier_unregister(parent_clk, &priv->clock_nb); err_devclk_disable: diff --git a/drivers/gpu/drm/ingenic/ingenic-ipu.c b/drivers/gpu/drm/ingenic/ingenic-ipu.c index aeb8a757d213..c819293b8317 100644 --- a/drivers/gpu/drm/ingenic/ingenic-ipu.c +++ b/drivers/gpu/drm/ingenic/ingenic-ipu.c @@ -45,6 +45,10 @@ struct soc_info { unsigned int weight, unsigned int offset); }; +struct ingenic_ipu_private_state { + struct drm_private_state base; +}; + struct ingenic_ipu { struct drm_plane plane; struct drm_device *drm; @@ -60,6 +64,8 @@ struct ingenic_ipu { struct drm_property *sharpness_prop; unsigned int sharpness; + + struct drm_private_obj private_obj; }; /* Signed 15.16 fixed-point math (for bicubic scaling coefficients) */ @@ -73,6 +79,12 @@ static inline struct ingenic_ipu *plane_to_ingenic_ipu(struct drm_plane *plane) return container_of(plane, struct ingenic_ipu, plane); } +static inline struct ingenic_ipu_private_state * +to_ingenic_ipu_priv_state(struct drm_private_state *state) +{ + return container_of(state, struct ingenic_ipu_private_state, base); +} + /* * Apply conventional cubic convolution kernel. Both parameters * and return value are 15.16 signed fixed-point. @@ -679,6 +691,33 @@ static const struct drm_plane_funcs ingenic_ipu_plane_funcs = { .atomic_set_property = ingenic_ipu_plane_atomic_set_property, }; +static struct drm_private_state * +ingenic_ipu_duplicate_state(struct drm_private_obj *obj) +{ + struct ingenic_ipu_private_state *state = to_ingenic_ipu_priv_state(obj->state); + + state = kmemdup(state, sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); + + return &state->base; +} + +static void ingenic_ipu_destroy_state(struct drm_private_obj *obj, + struct drm_private_state *state) +{ + struct ingenic_ipu_private_state *priv_state = to_ingenic_ipu_priv_state(state); + + kfree(priv_state); +} + +static const struct drm_private_state_funcs ingenic_ipu_private_state_funcs = { + .atomic_duplicate_state = ingenic_ipu_duplicate_state, + .atomic_destroy_state = ingenic_ipu_destroy_state, +}; + static irqreturn_t ingenic_ipu_irq_handler(int irq, void *arg) { struct ingenic_ipu *ipu = arg; @@ -717,6 +756,7 @@ static const struct regmap_config ingenic_ipu_regmap_config = { static int ingenic_ipu_bind(struct device *dev, struct device *master, void *d) { struct platform_device *pdev = to_platform_device(dev); + struct ingenic_ipu_private_state *private_state; const struct soc_info *soc_info; struct drm_device *drm = d; struct drm_plane *plane; @@ -810,7 +850,20 @@ static int ingenic_ipu_bind(struct device *dev, struct device *master, void *d) return err; } + private_state = kzalloc(sizeof(*private_state), GFP_KERNEL); + if (!private_state) { + err = -ENOMEM; + goto err_clk_unprepare; + } + + drm_atomic_private_obj_init(drm, &ipu->private_obj, &private_state->base, + &ingenic_ipu_private_state_funcs); + return 0; + +err_clk_unprepare: + clk_unprepare(ipu->clk); + return err; } static void ingenic_ipu_unbind(struct device *dev, @@ -818,6 +871,7 @@ static void ingenic_ipu_unbind(struct device *dev, { struct ingenic_ipu *ipu = dev_get_drvdata(dev); + drm_atomic_private_obj_fini(&ipu->private_obj); clk_unprepare(ipu->clk); }
Until now, the ingenic-drm as well as the ingenic-ipu drivers used to put state-specific information in their respective private structure. Add boilerplate code to support private objects in the two drivers, so that state-specific information can be put in the state-specific private structure. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 61 +++++++++++++++++++++++ drivers/gpu/drm/ingenic/ingenic-ipu.c | 54 ++++++++++++++++++++ 2 files changed, 115 insertions(+)