@@ -238,6 +238,7 @@ static int dpu_encoder_phys_wb_atomic_check(
{
struct drm_framebuffer *fb;
const struct drm_display_mode *mode = &crtc_state->mode;
+ int ret;
DPU_DEBUG("[atomic_check:%d, \"%s\",%d,%d]\n",
phys_enc->hw_wb->idx, mode->name, mode->hdisplay, mode->vdisplay);
@@ -274,6 +275,12 @@ static int dpu_encoder_phys_wb_atomic_check(
return -EINVAL;
}
+ ret = drm_atomic_helper_check_wb_encoder_state(phys_enc->parent, conn_state);
+ if (ret < 0) {
+ DPU_ERROR("invalid pixel format %p4cc\n", &fb->format->format);
+ return ret;
+ }
+
return 0;
}
In preparation of adding more formats to dpu writeback add format validation to it to fail any unsupported formats. Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback") Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 7 +++++++ 1 file changed, 7 insertions(+)