Commit 6e366c28 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

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: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190930103840.18970-3-tomi.valkeinen@ti.com


Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent a9c4fbd5

drivers/gpu/drm/omapdrm/dss/dispc.c

+4 −4
Original line number Diff line number Diff line
@@ -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)

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