[PATCH 3/5] drm/msm/dpu: Plane helper for modifiers
Fritz Koenig
frkoenig at google.com
Tue Dec 11 18:42:22 UTC 2018
Filter planes based on the supported modifiers
Signed-off-by: Fritz Koenig <frkoenig at google.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 6a49c253bbdc..9381c8af76d7 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1410,6 +1410,23 @@ static void dpu_plane_early_unregister(struct drm_plane *plane)
debugfs_remove_recursive(pdpu->debugfs_root);
}
+static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
+ uint32_t format, uint64_t modifier)
+{
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ return true;
+
+ if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) {
+ int i;
+ for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) {
+ if (format == qcom_compressed_supported_formats[i])
+ return true;
+ }
+ }
+
+ return false;
+}
+
static const struct drm_plane_funcs dpu_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -1419,6 +1436,7 @@ static const struct drm_plane_funcs dpu_plane_funcs = {
.atomic_destroy_state = dpu_plane_destroy_state,
.late_register = dpu_plane_late_register,
.early_unregister = dpu_plane_early_unregister,
+ .format_mod_supported = dpu_plane_format_mod_supported,
};
static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = {
--
2.20.0.rc2.403.gdbc3b29805-goog
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