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>
---
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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