diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index 3fe22f4418a0..00e76571799e 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -330,6 +330,36 @@ bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier) return false; } +static bool format_is_yuv_semiplanar(const struct intel_modifier_desc *md, + const struct drm_format_info *info) +{ + int yuv_planes; + + if (!info->is_yuv) + return false; + + if (is_ccs_type_modifier(md, INTEL_CCS_ANY)) + yuv_planes = 4; + else + yuv_planes = 2; + + return info->num_planes == yuv_planes; +} + +/** + * intel_format_info_is_yuv_semiplanar: Check if the given format is YUV semiplanar + * @info: format to check + * @modifier: modifier used with the format + * + * Returns: + * %true if @info / @modifier is YUV semiplanar. + */ +bool intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, + u64 modifier) +{ + return format_is_yuv_semiplanar(lookup_modifier(modifier), info); +} + bool is_ccs_plane(const struct drm_framebuffer *fb, int plane) { if (!is_ccs_modifier(fb->modifier)) |