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drm/amd/display: Fix uninitialized variables in DM

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This fixes 11 UNINIT issues reported by Coverity.

Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2024-04-15 19:02:56 -06:00 committed by Alex Deucher
parent e0dd5782f8
commit f95bcb041f
2 changed files with 6 additions and 6 deletions
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8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -274,7 +274,7 @@ static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
u32 *vbl, u32 *position)
{
u32 v_blank_start, v_blank_end, h_position, v_position;
u32 v_blank_start = 0, v_blank_end = 0, h_position = 0, v_position = 0;
struct amdgpu_crtc *acrtc = NULL;
struct dc *dc = adev->dm.dc;
@ -848,7 +848,7 @@ static void dm_handle_hpd_work(struct work_struct *work)
*/
static void dm_dmub_outbox1_low_irq(void *interrupt_params)
{
struct dmub_notification notify;
struct dmub_notification notify = {0};
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
struct amdgpu_display_manager *dm = &adev->dm;
@ -7208,7 +7208,7 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state,
struct amdgpu_dm_connector *aconnector;
struct dm_connector_state *dm_conn_state;
int i, j, ret;
int vcpi, pbn_div, pbn, slot_num = 0;
int vcpi, pbn_div, pbn = 0, slot_num = 0;
for_each_new_connector_in_state(state, connector, new_con_state, i) {
@ -10615,7 +10615,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
struct drm_dp_mst_topology_mgr *mgr;
struct drm_dp_mst_topology_state *mst_state;
struct dsc_mst_fairness_vars vars[MAX_PIPES];
struct dsc_mst_fairness_vars vars[MAX_PIPES] = {0};
trace_amdgpu_dm_atomic_check_begin(state);

4
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
View File

@ -1249,7 +1249,7 @@ static ssize_t dp_sdp_message_debugfs_write(struct file *f, const char __user *b
size_t size, loff_t *pos)
{
int r;
uint8_t data[36];
uint8_t data[36] = {0};
struct amdgpu_dm_connector *connector = file_inode(f)->i_private;
struct dm_crtc_state *acrtc_state;
uint32_t write_size = 36;
@ -2936,7 +2936,7 @@ static int psr_read_residency(void *data, u64 *val)
{
struct amdgpu_dm_connector *connector = data;
struct dc_link *link = connector->dc_link;
u32 residency;
u32 residency = 0;
link->dc->link_srv->edp_get_psr_residency(link, &residency);