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drm/amd/display: Use ARRAY_SIZE for array length

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Use of macro ARRAY_SIZE to calculate array size minimizes
the redundant code and improves code reusability.

./drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c:164:45-46: WARNING: Use ARRAY_SIZE.
./drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c:183:47-48: WARNING: Use ARRAY_SIZE.
./drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c:237:45-46: WARNING: Use ARRAY_SIZE.
./drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c:257:47-48: WARNING: Use ARRAY_SIZE.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9405
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jiapeng Chong
2024-06-24 11:11:58 +08:00
committed by Alex Deucher
parent 429508c84d
commit b72585f1c2
1 changed files with 4 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
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@@ -161,8 +161,7 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp,
return MOD_HDCP_STATUS_DDC_FAILURE;
if (is_dp_hdcp(hdcp)) {
int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) /
sizeof(hdcp_dpcd_addrs[0]);
int num_dpcd_addrs = ARRAY_SIZE(hdcp_dpcd_addrs);
if (msg_id >= num_dpcd_addrs)
return MOD_HDCP_STATUS_DDC_FAILURE;
@@ -180,8 +179,7 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp,
data_offset += cur_size;
}
} else {
int num_i2c_offsets = sizeof(hdcp_i2c_offsets) /
sizeof(hdcp_i2c_offsets[0]);
int num_i2c_offsets = ARRAY_SIZE(hdcp_i2c_offsets);
if (msg_id >= num_i2c_offsets)
return MOD_HDCP_STATUS_DDC_FAILURE;
@@ -234,8 +232,7 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp,
return MOD_HDCP_STATUS_DDC_FAILURE;
if (is_dp_hdcp(hdcp)) {
int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) /
sizeof(hdcp_dpcd_addrs[0]);
int num_dpcd_addrs = ARRAY_SIZE(hdcp_dpcd_addrs);
if (msg_id >= num_dpcd_addrs)
return MOD_HDCP_STATUS_DDC_FAILURE;
@@ -254,8 +251,7 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp,
data_offset += cur_size;
}
} else {
int num_i2c_offsets = sizeof(hdcp_i2c_offsets) /
sizeof(hdcp_i2c_offsets[0]);
int num_i2c_offsets = ARRAY_SIZE(hdcp_i2c_offsets);
if (msg_id >= num_i2c_offsets)
return MOD_HDCP_STATUS_DDC_FAILURE;