samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: sde: disable CWB in quad pipe

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Disable CWB in quad pipe for quad LM CWB not supported
to avoid out of bound access.

Change-Id: I7e64cf132489401f91621ccde31cba68c8076d28
Signed-off-by: GG Hou <quic_renjhou@quicinc.com>
This commit is contained in:
GG Hou
2023-05-16 11:14:36 +08:00
committed by Gerrit - the friendly Code Review server
parent ae50686e33
commit 8360bd82c9
1 changed files with 14 additions and 1 deletions
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15
msm/sde/sde_encoder_phys_wb.c
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@@ -605,6 +605,13 @@ static void _sde_encoder_phys_wb_setup_cwb(struct sde_encoder_phys *phys_enc, bo
return;
}
if (crtc->num_mixers > MAX_CWB_PER_CTL_V1) {
SDE_ERROR("[enc:%d wb:%d] %d LM %d CWB case not supported\n",
DRMID(phys_enc->parent), WBID(wb_enc),
crtc->num_mixers, MAX_CWB_PER_CTL_V1);
return;
}
hw_ctl = crtc->mixers[0].hw_ctl;
if (hw_ctl && hw_ctl->ops.setup_intf_cfg_v1 &&
(test_bit(SDE_WB_CWB_CTRL, &hw_wb->caps->features) ||
@@ -914,7 +921,7 @@ static int _sde_enc_phys_wb_validate_cwb(struct sde_encoder_phys *phys_enc,
struct sde_rect wb_roi = {0,}, pu_roi = {0,};
u32 out_width = 0, out_height = 0;
const struct sde_format *fmt;
int prog_line, ret = 0;
int num_lm, prog_line, ret = 0;
fb = sde_wb_connector_state_get_output_fb(conn_state);
if (!fb) {
@@ -922,6 +929,12 @@ static int _sde_enc_phys_wb_validate_cwb(struct sde_encoder_phys *phys_enc,
return 0;
}
num_lm = sde_crtc_get_num_datapath(crtc_state->crtc, conn_state->connector, crtc_state);
if (num_lm > MAX_CWB_PER_CTL_V1) {
SDE_ERROR("%d LM %d CWB case not supported\n", num_lm, MAX_CWB_PER_CTL_V1);
return -EINVAL;
}
fmt = sde_get_sde_format_ext(fb->format->format, fb->modifier);
if (!fmt) {
SDE_ERROR("unsupported output pixel format:%x\n", fb->format->format);