From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index f56414a..4c64e2d 100644
--- a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -682,7 +682,10 @@
if (crtc->state)
dpu_crtc_destroy_state(crtc, crtc->state);
- __drm_atomic_helper_crtc_reset(crtc, &cstate->base);
+ if (cstate)
+ __drm_atomic_helper_crtc_reset(crtc, &cstate->base);
+ else
+ __drm_atomic_helper_crtc_reset(crtc, NULL);
}
/**
@@ -831,6 +834,8 @@
struct drm_rect crtc_rect = { 0 };
pstates = kzalloc(sizeof(*pstates) * DPU_STAGE_MAX * 4, GFP_KERNEL);
+ if (!pstates)
+ return -ENOMEM;
if (!state->enable || !state->active) {
DPU_DEBUG("crtc%d -> enable %d, active %d, skip atomic_check\n",
@@ -1257,6 +1262,8 @@
struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane,
struct drm_plane *cursor)
{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
struct drm_crtc *crtc = NULL;
struct dpu_crtc *dpu_crtc = NULL;
int i;
@@ -1288,7 +1295,8 @@
drm_crtc_helper_add(crtc, &dpu_crtc_helper_funcs);
- drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
+ if (dpu_kms->catalog->dspp_count)
+ drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
/* save user friendly CRTC name for later */
snprintf(dpu_crtc->name, DPU_CRTC_NAME_SIZE, "crtc%u", crtc->base.id);
--
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