samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: fix driver unload issues in gki config

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Resolves segmentation fault during driver unload in GKI
configuration, caused by repeated debugfs destroy calls.
Also removes redundant unload calls.

Change-Id: I20a8efc1916b9a60766f9c7714a4b458aa518566
Signed-off-by: Orion Brody <obrody@codeaurora.org>
This commit is contained in:
Orion Brody
2020-06-03 12:02:08 -07:00
parent a995ee8ca1
commit 66f04c4716
4 changed files with 27 additions and 23 deletions
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13
msm/sde/sde_encoder.c
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@@ -546,6 +546,7 @@ void sde_encoder_destroy(struct drm_encoder *drm_enc)
{
struct sde_encoder_virt *sde_enc = NULL;
int i = 0;
unsigned int num_encs;
if (!drm_enc) {
SDE_ERROR("invalid encoder\n");
@@ -554,21 +555,29 @@ void sde_encoder_destroy(struct drm_encoder *drm_enc)
sde_enc = to_sde_encoder_virt(drm_enc);
SDE_DEBUG_ENC(sde_enc, "\n");
num_encs = sde_enc->num_phys_encs;
mutex_lock(&sde_enc->enc_lock);
sde_rsc_client_destroy(sde_enc->rsc_client);
for (i = 0; i < sde_enc->num_phys_encs; i++) {
for (i = 0; i < num_encs; i++) {
struct sde_encoder_phys *phys;
phys = sde_enc->phys_vid_encs[i];
if (phys && phys->ops.destroy) {
phys->ops.destroy(phys);
--sde_enc->num_phys_encs;
sde_enc->phys_encs[i] = NULL;
sde_enc->phys_vid_encs[i] = NULL;
}
phys = sde_enc->phys_cmd_encs[i];
if (phys && phys->ops.destroy) {
phys->ops.destroy(phys);
--sde_enc->num_phys_encs;
sde_enc->phys_cmd_encs[i] = NULL;
}
phys = sde_enc->phys_encs[i];
if (phys && phys->ops.destroy) {
phys->ops.destroy(phys);
--sde_enc->num_phys_encs;