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path: root/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index 289f5d133342..a01d0842bf8e 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -992,7 +992,7 @@ enum dp_link_encoding mst_decide_link_encoding_format(const struct dc_link *link
static void read_dp_device_vendor_id(struct dc_link *link)
{
- struct dp_device_vendor_id dp_id;
+ struct dp_device_vendor_id dp_id = {0};
/* read IEEE branch device id */
core_link_read_dpcd(
@@ -1087,7 +1087,7 @@ static void get_active_converter_info(
}
if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_11) {
- uint8_t det_caps[16]; /* CTS 4.2.2.7 expects source to read Detailed Capabilities Info : 00080h-0008F.*/
+ uint8_t det_caps[16] = {0}; /* CTS 4.2.2.7 expects source to read Detailed Capabilities Info : 00080h-0008F.*/
union dwnstream_port_caps_byte0 *port_caps =
(union dwnstream_port_caps_byte0 *)det_caps;
if (core_link_read_dpcd(link, DP_DOWNSTREAM_PORT_0,
@@ -1172,7 +1172,7 @@ static void get_active_converter_info(
set_dongle_type(link->ddc, link->dpcd_caps.dongle_type);
{
- struct dp_sink_hw_fw_revision dp_hw_fw_revision;
+ struct dp_sink_hw_fw_revision dp_hw_fw_revision = {0};
core_link_read_dpcd(
link,
@@ -1242,7 +1242,7 @@ static void apply_usbc_combo_phy_reset_wa(struct dc_link *link,
bool dp_overwrite_extended_receiver_cap(struct dc_link *link)
{
- uint8_t dpcd_data[16];
+ uint8_t dpcd_data[16] = {0};
uint32_t read_dpcd_retry_cnt = 3;
enum dc_status status = DC_ERROR_UNEXPECTED;
union dp_downstream_port_present ds_port = { 0 };
@@ -1408,7 +1408,7 @@ static bool get_usbc_cable_id(struct dc_link *link, union dp_cable_id *cable_id)
static void retrieve_cable_id(struct dc_link *link)
{
- union dp_cable_id usbc_cable_id;
+ union dp_cable_id usbc_cable_id = {0};
link->dpcd_caps.cable_id.raw = 0;
core_link_read_dpcd(link, DP_CABLE_ATTRIBUTES_UPDATED_BY_DPRX,
@@ -1475,7 +1475,7 @@ static bool dpcd_read_sink_ext_caps(struct dc_link *link)
enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link)
{
- uint8_t lttpr_dpcd_data[8];
+ uint8_t lttpr_dpcd_data[8] = {0};
enum dc_status status;
bool is_lttpr_present;
@@ -1931,8 +1931,8 @@ void detect_edp_sink_caps(struct dc_link *link)
uint32_t entry;
uint32_t link_rate_in_khz;
enum dc_link_rate link_rate = LINK_RATE_UNKNOWN;
- uint8_t backlight_adj_cap;
- uint8_t general_edp_cap;
+ uint8_t backlight_adj_cap = 0;
+ uint8_t general_edp_cap = 0;
retrieve_link_cap(link);
link->dpcd_caps.edp_supported_link_rates_count = 0;