On Fri, Apr 03, 2020 at 03:58:17PM +0200, Daniel Vetter wrote:
> Upcasting using a container_of macro is more typesafe, faster and
> easier for the compiler to optimize.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mcde/mcde_display.c | 10 +++++-----
> drivers/gpu/drm/mcde/mcde_drm.h | 2 ++
> drivers/gpu/drm/mcde/mcde_drv.c | 5 ++---
> drivers/gpu/drm/mcde/mcde_dsi.c | 2 +-
> 4 files changed, 10 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c
> index e59907e68854..04e1d38d41f7 100644
> --- a/drivers/gpu/drm/mcde/mcde_display.c
> +++ b/drivers/gpu/drm/mcde/mcde_display.c
> @@ -948,7 +948,7 @@ static void mcde_display_disable(struct drm_simple_display_pipe *pipe)
> {
> struct drm_crtc *crtc = &pipe->crtc;
> struct drm_device *drm = crtc->dev;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> struct drm_pending_vblank_event *event;
>
> drm_crtc_vblank_off(crtc);
> @@ -1020,7 +1020,7 @@ static void mcde_display_update(struct drm_simple_display_pipe *pipe,
> {
> struct drm_crtc *crtc = &pipe->crtc;
> struct drm_device *drm = crtc->dev;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> struct drm_pending_vblank_event *event = crtc->state->event;
> struct drm_plane *plane = &pipe->plane;
> struct drm_plane_state *pstate = plane->state;
> @@ -1078,7 +1078,7 @@ static int mcde_display_enable_vblank(struct drm_simple_display_pipe *pipe)
> {
> struct drm_crtc *crtc = &pipe->crtc;
> struct drm_device *drm = crtc->dev;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> u32 val;
>
> /* Enable all VBLANK IRQs */
> @@ -1097,7 +1097,7 @@ static void mcde_display_disable_vblank(struct drm_simple_display_pipe *pipe)
> {
> struct drm_crtc *crtc = &pipe->crtc;
> struct drm_device *drm = crtc->dev;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
>
> /* Disable all VBLANK IRQs */
> writel(0, mcde->regs + MCDE_IMSCPP);
> @@ -1117,7 +1117,7 @@ static struct drm_simple_display_pipe_funcs mcde_display_funcs = {
>
> int mcde_display_init(struct drm_device *drm)
> {
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> int ret;
> static const u32 formats[] = {
> DRM_FORMAT_ARGB8888,
> diff --git a/drivers/gpu/drm/mcde/mcde_drm.h b/drivers/gpu/drm/mcde/mcde_drm.h
> index 80edd6628979..679c2c4e6d9d 100644
> --- a/drivers/gpu/drm/mcde/mcde_drm.h
> +++ b/drivers/gpu/drm/mcde/mcde_drm.h
> @@ -34,6 +34,8 @@ struct mcde {
> struct regulator *vana;
> };
>
> +#define to_mcde(dev) container_of(dev, struct mcde, drm)
> +
> bool mcde_dsi_irq(struct mipi_dsi_device *mdsi);
> void mcde_dsi_te_request(struct mipi_dsi_device *mdsi);
> extern struct platform_driver mcde_dsi_driver;
> diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
> index bdb525e3c5d7..84f3e2dbd77b 100644
> --- a/drivers/gpu/drm/mcde/mcde_drv.c
> +++ b/drivers/gpu/drm/mcde/mcde_drv.c
> @@ -164,7 +164,7 @@ static irqreturn_t mcde_irq(int irq, void *data)
> static int mcde_modeset_init(struct drm_device *drm)
> {
> struct drm_mode_config *mode_config;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> int ret;
>
> if (!mcde->bridge) {
> @@ -311,7 +311,6 @@ static int mcde_probe(struct platform_device *pdev)
> if (IS_ERR(mcde))
> return PTR_ERR(mcde);
> drm = &mcde->drm;
> - drm->dev_private = mcde;
> mcde->dev = dev;
> platform_set_drvdata(pdev, drm);
>
> @@ -486,7 +485,7 @@ static int mcde_probe(struct platform_device *pdev)
> static int mcde_remove(struct platform_device *pdev)
> {
> struct drm_device *drm = platform_get_drvdata(pdev);
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
>
> component_master_del(&pdev->dev, &mcde_drm_comp_ops);
> clk_disable_unprepare(mcde->mcde_clk);
> diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
> index 7af5ebb0c436..1baa2324cdb9 100644
> --- a/drivers/gpu/drm/mcde/mcde_dsi.c
> +++ b/drivers/gpu/drm/mcde/mcde_dsi.c
> @@ -1020,7 +1020,7 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
> void *data)
> {
> struct drm_device *drm = data;
> - struct mcde *mcde = drm->dev_private;
> + struct mcde *mcde = to_mcde(drm);
> struct mcde_dsi *d = dev_get_drvdata(dev);
> struct device_node *child;
> struct drm_panel *panel = NULL;
> --
> 2.25.1
>
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> dri-devel@xxxxxxxxxxxxxxxxxxxxx
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