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drm/amd/display: Bunch of smatch error and warning fixes in DC 

drivers/gpu/drm/amd/amdgpu/../display/dc/basics/log_helpers.c:79
dc_conn_log() error: buffer overflow 'signal_type_info_tbl' 10 <= 10
drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser.c:266
bios_parser_get_dst_obj() error: uninitialized symbol 'id'.
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_audio.c:357
dce_aud_az_enable() warn: inconsistent indenting
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:958
dcn10_acquire_idle_pipe_for_layer() error: we previously assumed
'head_pipe' could be null (see line 952)

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2017-11-10 11:56:15 -05:00 committed by Alex Deucher
parent 70e8ffc55b
commit a8f9764731
4 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/display/dc/basics/log_helpers.c
View File

@ -75,6 +75,9 @@ void dc_conn_log(struct dc_context *ctx,
if (signal == signal_type_info_tbl[i].type)
break;
if (i == NUM_ELEMENTS(signal_type_info_tbl))
goto fail;
dm_logger_append(&entry, "[%s][ConnIdx:%d] ",
signal_type_info_tbl[i].name,
link->link_index);
@ -96,6 +99,8 @@ void dc_conn_log(struct dc_context *ctx,
dm_logger_append(&entry, "^\n");
dm_helpers_dc_conn_log(ctx, &entry, event);
fail:
dm_logger_close(&entry);
va_end(args);

4
drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
View File

@ -249,7 +249,7 @@ static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb,
struct graphics_object_id *dest_object_id)
{
uint32_t number;
uint16_t *id;
uint16_t *id = NULL;
ATOM_OBJECT *object;
struct bios_parser *bp = BP_FROM_DCB(dcb);
@ -260,7 +260,7 @@ static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb,
number = get_dest_obj_list(bp, object, &id);
if (number <= index)
if (number <= index || !id)
return BP_RESULT_BADINPUT;
*dest_object_id = object_id_from_bios_object_id(id[index]);

10
drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
View File

@ -352,11 +352,11 @@ void dce_aud_az_enable(struct audio *audio)
uint32_t value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL);
set_reg_field_value(value, 1,
AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
CLOCK_GATING_DISABLE);
set_reg_field_value(value, 1,
AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
AUDIO_ENABLED);
AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
CLOCK_GATING_DISABLE);
set_reg_field_value(value, 1,
AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
AUDIO_ENABLED);
AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL);

6
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
View File

@ -912,11 +912,13 @@ static struct pipe_ctx *dcn10_acquire_idle_pipe_for_layer(
struct pipe_ctx *head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream);
struct pipe_ctx *idle_pipe = find_idle_secondary_pipe(res_ctx, pool);
if (!head_pipe)
if (!head_pipe) {
ASSERT(0);
return NULL;
}
if (!idle_pipe)
return false;
return NULL;
idle_pipe->stream = head_pipe->stream;
idle_pipe->stream_res.tg = head_pipe->stream_res.tg;