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drm/omap: avoid copy in mgr_fld_read/write 

Avoid unnecessary copy in mgr_fld_read/write by taking a pointer to the
reg_resc and using that.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190930103840.18970-3-tomi.valkeinen@ti.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2019-09-30 13:38:35 +03:00
parent a9c4fbd544
commit 6e366c28e6
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/omapdrm/dss/dispc.c
View File

@ -365,17 +365,17 @@ static inline u32 dispc_read_reg(struct dispc_device *dispc, u16 idx)
static u32 mgr_fld_read(struct dispc_device *dispc, enum omap_channel channel,
enum mgr_reg_fields regfld)
{
const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
const struct dispc_reg_field *rfld = &mgr_desc[channel].reg_desc[regfld];
return REG_GET(dispc, rfld.reg, rfld.high, rfld.low);
return REG_GET(dispc, rfld->reg, rfld->high, rfld->low);
}
static void mgr_fld_write(struct dispc_device *dispc, enum omap_channel channel,
enum mgr_reg_fields regfld, int val)
{
const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
const struct dispc_reg_field *rfld = &mgr_desc[channel].reg_desc[regfld];
REG_FLD_MOD(dispc, rfld.reg, val, rfld.high, rfld.low);
REG_FLD_MOD(dispc, rfld->reg, val, rfld->high, rfld->low);
}
static int dispc_get_num_ovls(struct dispc_device *dispc)