From: Maxime Ripard Date: Wed, 27 Aug 2025 15:12:44 +0000 (+0200) Subject: drm/tidss: dispc: Switch OVR_REG_FLD_MOD to using a mask X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9b74ce7a691750b04ec7d2d7b08490134681c3eb;p=users%2Fhch%2Fmisc.git drm/tidss: dispc: Switch OVR_REG_FLD_MOD to using a mask The OVR_REG_FLD_MOD function takes the start and end bits as parameter and will generate a mask out of them. This makes it difficult to share the masks between callers, since we now need two arguments and to keep them consistent. Let's change OVR_REG_FLD_MOD to take the mask as an argument instead, and let the caller create the mask. Eventually, this mask will be moved to a define. Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-13-7689b664cc63@kernel.org Signed-off-by: Tomi Valkeinen --- diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c index 0255f7156f46..9ecbea60d37c 100644 --- a/drivers/gpu/drm/tidss/tidss_dispc.c +++ b/drivers/gpu/drm/tidss/tidss_dispc.c @@ -632,13 +632,13 @@ void tidss_disable_oldi(struct tidss_device *tidss, u32 hw_videoport) dispc_vp_write(_dispc, _vp, _idx, _reg); \ }) -#define OVR_REG_FLD_MOD(dispc, ovr, idx, val, start, end) \ +#define OVR_REG_FLD_MOD(dispc, ovr, idx, val, mask) \ ({ \ struct dispc_device *_dispc = (dispc); \ u32 _ovr = (ovr); \ u32 _idx = (idx); \ u32 _reg = dispc_ovr_read(_dispc, _ovr, _idx); \ - FIELD_MODIFY(GENMASK((start), (end)), &_reg, (val)); \ + FIELD_MODIFY((mask), &_reg, (val)); \ dispc_ovr_write(_dispc, _ovr, _idx, _reg); \ }) @@ -1470,11 +1470,11 @@ static void dispc_am65x_ovr_set_plane(struct dispc_device *dispc, u32 hw_id = dispc->feat->vid_info[hw_plane].hw_id; OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), - hw_id, 4, 1); - OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), - x, 17, 6); - OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), - y, 30, 19); + hw_id, GENMASK(4, 1)); + OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), x, + GENMASK(17, 6)); + OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), y, + GENMASK(30, 19)); } static void dispc_j721e_ovr_set_plane(struct dispc_device *dispc, @@ -1484,11 +1484,11 @@ static void dispc_j721e_ovr_set_plane(struct dispc_device *dispc, u32 hw_id = dispc->feat->vid_info[hw_plane].hw_id; OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), - hw_id, 4, 1); - OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), - x, 13, 0); - OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), - y, 29, 16); + hw_id, GENMASK(4, 1)); + OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), x, + GENMASK(13, 0)); + OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES2(layer), y, + GENMASK(29, 16)); } void dispc_ovr_set_plane(struct dispc_device *dispc, u32 hw_plane, @@ -1523,7 +1523,7 @@ void dispc_ovr_enable_layer(struct dispc_device *dispc, return; OVR_REG_FLD_MOD(dispc, hw_videoport, DISPC_OVR_ATTRIBUTES(layer), - !!enable, 0, 0); + !!enable, GENMASK(0, 0)); } /* CSC */