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drm/tegra: dc: Registers are 32 bits wide

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Using an unsigned long type will cause these variables to become 64-bit
on 64-bit SoCs. In practice this should always work, but there's no need
for carrying around the additional 32 bits.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2014-10-21 13:48:48 +02:00
parent 205d48edee
commit 03a6056976
2 changed files with 6 additions and 7 deletions
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2
drivers/gpu/drm/tegra/dc.c
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@ -1005,7 +1005,7 @@ static int tegra_dc_show_regs(struct seq_file *s, void *data)
struct tegra_dc *dc = node->info_ent->data; struct tegra_dc *dc = node->info_ent->data;
#define DUMP_REG(name) \ #define DUMP_REG(name) \
seq_printf(s, "%-40s %#05x %08lx\n", #name, name, \ seq_printf(s, "%-40s %#05x %08x\n", #name, name, \
tegra_dc_readl(dc, name)) tegra_dc_readl(dc, name))
DUMP_REG(DC_CMD_GENERAL_INCR_SYNCPT); DUMP_REG(DC_CMD_GENERAL_INCR_SYNCPT);

11
drivers/gpu/drm/tegra/drm.h
View File

@ -139,16 +139,15 @@ static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
return crtc ? container_of(crtc, struct tegra_dc, base) : NULL; return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
} }
static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value, static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value,
unsigned long reg) unsigned long offset)
{ {
writel(value, dc->regs + (reg << 2)); writel(value, dc->regs + (offset << 2));
} }
static inline unsigned long tegra_dc_readl(struct tegra_dc *dc, static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned long offset)
unsigned long reg)
{ {
return readl(dc->regs + (reg << 2)); return readl(dc->regs + (offset << 2));
} }
struct tegra_dc_window { struct tegra_dc_window {