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[v2,01/16] drm/msm/dpu: add formats check for writeback encoder

Message ID 20231208050641.32582-2-quic_abhinavk@quicinc.com
State New
Headers show
Series [v2,01/16] drm/msm/dpu: add formats check for writeback encoder | expand

Commit Message

Abhinav Kumar Dec. 8, 2023, 5:06 a.m. UTC 
In preparation for adding more formats to dpu writeback add
format validation to it to fail any unsupported formats.

changes in v2:
	- correct some grammar in the commit text

Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index bb94909caa25..91b1967cf566 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -272,6 +272,7 @@  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);
@@ -308,6 +309,12 @@  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;
 }