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drm/omap: add format_is_yuv() helper

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In a few places the dispc driver needs to know whether the pixel format
is an YUV format. Add a helper to figure that out.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2017-05-04 09:13:32 +03:00
parent 185e23e1f6
commit 5edec14c73
1 changed files with 23 additions and 33 deletions
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56
drivers/gpu/drm/omapdrm/dss/dispc.c
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@ -978,6 +978,18 @@ static void dispc_ovl_set_color_mode(enum omap_plane_id plane,
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
}
static bool format_is_yuv(enum omap_color_mode color_mode)
{
switch (color_mode) {
case OMAP_DSS_COLOR_YUV2:
case OMAP_DSS_COLOR_UYVY:
case OMAP_DSS_COLOR_NV12:
return true;
default:
return false;
}
}
static void dispc_ovl_configure_burst_type(enum omap_plane_id plane,
enum omap_dss_rotation_type rotation_type)
{
@ -1703,9 +1715,8 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane_id plane,
if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
return;
if ((color_mode != OMAP_DSS_COLOR_YUV2 &&
color_mode != OMAP_DSS_COLOR_UYVY &&
color_mode != OMAP_DSS_COLOR_NV12)) {
if (!format_is_yuv(color_mode)) {
/* reset chroma resampling for RGB formats */
if (plane != OMAP_DSS_WB)
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
@ -2384,19 +2395,9 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER)
return -EINVAL;
switch (color_mode) {
case OMAP_DSS_COLOR_YUV2:
case OMAP_DSS_COLOR_UYVY:
case OMAP_DSS_COLOR_NV12:
if (in_width & 1) {
DSSERR("input width %d is not even for YUV format\n",
in_width);
return -EINVAL;
}
break;
default:
break;
if (format_is_yuv(color_mode) && (in_width & 1)) {
DSSERR("input width %d is not even for YUV format\n", in_width);
return -EINVAL;
}
out_width = out_width == 0 ? width : out_width;
@ -2433,26 +2434,15 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
DSSDBG("predecimation %d x %x, new input size %d x %d\n",
x_predecim, y_predecim, in_width, in_height);
switch (color_mode) {
case OMAP_DSS_COLOR_YUV2:
case OMAP_DSS_COLOR_UYVY:
case OMAP_DSS_COLOR_NV12:
if (in_width & 1) {
DSSDBG("predecimated input width is not even for YUV format\n");
DSSDBG("adjusting input width %d -> %d\n",
in_width, in_width & ~1);
if (format_is_yuv(color_mode) && (in_width & 1)) {
DSSDBG("predecimated input width is not even for YUV format\n");
DSSDBG("adjusting input width %d -> %d\n",
in_width, in_width & ~1);
in_width &= ~1;
}
break;
default:
break;
in_width &= ~1;
}
if (color_mode == OMAP_DSS_COLOR_YUV2 ||
color_mode == OMAP_DSS_COLOR_UYVY ||
color_mode == OMAP_DSS_COLOR_NV12)
if (format_is_yuv(color_mode))
cconv = 1;
if (ilace && !fieldmode) {