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drm/arc: Stop using drm_device->dev_private

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Upcasting using a container_of macro is more typesafe, faster and
easier for the compiler to optimize.

Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210112084358.2771527-2-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2021-01-12 09:43:45 +01:00
parent 8db0002ab6
commit 11cecb0d18
3 changed files with 5 additions and 5 deletions
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2
drivers/gpu/drm/arc/arcpgu.h
View File

@@ -17,6 +17,8 @@ struct arcpgu_drm_private {
struct drm_plane *plane;
};
#define dev_to_arcpgu(x) container_of(x, struct arcpgu_drm_private, drm)
#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,

4
drivers/gpu/drm/arc/arcpgu_crtc.c
View File

@@ -176,7 +176,7 @@ static const struct drm_plane_funcs arc_pgu_plane_funcs = {
static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm)
{
struct arcpgu_drm_private *arcpgu = drm->dev_private;
struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
struct drm_plane *plane = NULL;
int ret;
@@ -200,7 +200,7 @@ static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm)
int arc_pgu_setup_crtc(struct drm_device *drm)
{
struct arcpgu_drm_private *arcpgu = drm->dev_private;
struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
struct drm_plane *primary;
int ret;

4
drivers/gpu/drm/arc/arcpgu_drv.c
View File

@@ -50,8 +50,6 @@ static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
struct resource *res;
int ret;
drm->dev_private = arcpgu;
arcpgu->clk = devm_clk_get(drm->dev, "pxlclk");
if (IS_ERR(arcpgu->clk))
return PTR_ERR(arcpgu->clk);
@@ -120,7 +118,7 @@ static int arcpgu_show_pxlclock(struct seq_file *m, void *arg)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_device *drm = node->minor->dev;
struct arcpgu_drm_private *arcpgu = drm->dev_private;
struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
unsigned long clkrate = clk_get_rate(arcpgu->clk);
unsigned long mode_clock = arcpgu->crtc.mode.crtc_clock * 1000;