[PATCH v2 3/7] drm/msm/dpu: release resources on modeset failure

Jeykumar Sankaran
2019-02-14T01:19:12Z

release resources allocated in mode_set if any of
the hw check fails. Most of these checks are not
necessary and they will be removed in the follow up
patches with state based resource allocations.

Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 941ac25..45617b9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1025,13 +1025,13 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
if (!dpu_enc->hw_pp[i]) {
DPU_ERROR_ENC(dpu_enc, "no pp block assigned"
"at idx: %d\n", i);
- return;
+ goto error;
}

if (!hw_ctl[i]) {
DPU_ERROR_ENC(dpu_enc, "no ctl block assigned"
"at idx: %d\n", i);
- return;
+ goto error;
}

phys->hw_pp = dpu_enc->hw_pp[i];
@@ -1044,6 +1044,9 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
}

dpu_enc->mode_set_complete = true;
+
+error:
+ dpu_rm_release(&dpu_kms->rm, drm_enc);
}

static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
--
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