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Message-ID: <20230830224910.8091-3-quic_abhinavk@quicinc.com>
Date: Wed, 30 Aug 2023 15:48:55 -0700
From: Abhinav Kumar <quic_abhinavk@...cinc.com>
To: <freedreno@...ts.freedesktop.org>, Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
"Daniel Vetter" <daniel@...ll.ch>
CC: <dri-devel@...ts.freedesktop.org>, <quic_jesszhan@...cinc.com>,
<quic_parellan@...cinc.com>, <quic_khsieh@...cinc.com>,
<linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 02/16] drm/msm/dpu: add formats check for writeback encoder
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@...cinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 7 +++++++
1 file changed, 7 insertions(+)
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 284a88060221..6a1f8e34f18a 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
@@ -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;
}
--
2.40.1
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