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-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c4
-rw-r--r--drivers/gpu/drm/ast/ast_dp.c2
-rw-r--r--drivers/gpu/drm/display/drm_dp_cec.c14
3 files changed, 8 insertions, 12 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
index ebccb74306a7..f30b3d5eeca5 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
@@ -160,6 +160,10 @@ static int komeda_wb_connector_add(struct komeda_kms_dev *kms,
formats = komeda_get_layer_fourcc_list(&mdev->fmt_tbl,
kwb_conn->wb_layer->layer_type,
&n_formats);
+ if (!formats) {
+ kfree(kwb_conn);
+ return -ENOMEM;
+ }
err = drm_writeback_connector_init(&kms->base, wb_conn,
&komeda_wb_connector_funcs,
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 0e282b7b167c..b9eb67e3fa90 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -195,7 +195,7 @@ static bool __ast_dp_wait_enable(struct ast_device *ast, bool enabled)
if (enabled)
vgacrdf_test |= AST_IO_VGACRDF_DP_VIDEO_ENABLE;
- for (i = 0; i < 200; ++i) {
+ for (i = 0; i < 1000; ++i) {
if (i)
mdelay(1);
vgacrdf = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xdf,
diff --git a/drivers/gpu/drm/display/drm_dp_cec.c b/drivers/gpu/drm/display/drm_dp_cec.c
index 007ceb281d00..56a4965e518c 100644
--- a/drivers/gpu/drm/display/drm_dp_cec.c
+++ b/drivers/gpu/drm/display/drm_dp_cec.c
@@ -311,16 +311,6 @@ void drm_dp_cec_attach(struct drm_dp_aux *aux, u16 source_physical_address)
if (!aux->transfer)
return;
-#ifndef CONFIG_MEDIA_CEC_RC
- /*
- * CEC_CAP_RC is part of CEC_CAP_DEFAULTS, but it is stripped by
- * cec_allocate_adapter() if CONFIG_MEDIA_CEC_RC is undefined.
- *
- * Do this here as well to ensure the tests against cec_caps are
- * correct.
- */
- cec_caps &= ~CEC_CAP_RC;
-#endif
cancel_delayed_work_sync(&aux->cec.unregister_work);
mutex_lock(&aux->cec.lock);
@@ -337,7 +327,9 @@ void drm_dp_cec_attach(struct drm_dp_aux *aux, u16 source_physical_address)
num_las = CEC_MAX_LOG_ADDRS;
if (aux->cec.adap) {
- if (aux->cec.adap->capabilities == cec_caps &&
+ /* Check if the adapter properties have changed */
+ if ((aux->cec.adap->capabilities & CEC_CAP_MONITOR_ALL) ==
+ (cec_caps & CEC_CAP_MONITOR_ALL) &&
aux->cec.adap->available_log_addrs == num_las) {
/* Unchanged, so just set the phys addr */
cec_s_phys_addr(aux->cec.adap, source_physical_address, false);