[PATCH] drm/amd/display: Make some functions static

[zhengbin <zhengbin13@xxxxxxxxxx>]

Fix sparse warnings:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_hdcp.c:32:6: warning: symbol 'lp_write_i2c' was not declared. Should it be static?
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_hdcp.c:42:6: warning: symbol 'lp_read_i2c' was not declared. Should it be static?
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_hdcp.c:52:6: warning: symbol 'lp_write_dpcd' was not declared. Should it be static?
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_hdcp.c:59:6: warning: symbol 'lp_read_dpcd' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
index 2443c23..77181dd 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
@@ -29,7 +29,8 @@
 #include "dm_helpers.h"
 #include <drm/drm_hdcp.h>

-bool lp_write_i2c(void *handle, uint32_t address, const uint8_t *data, uint32_t size)
+static bool
+lp_write_i2c(void *handle, uint32_t address, const uint8_t *data, uint32_t size)
 {

 	struct dc_link *link = handle;
@@ -39,7 +40,8 @@ bool lp_write_i2c(void *handle, uint32_t address, const uint8_t *data, uint32_t
 	return dm_helpers_submit_i2c(link->ctx, link, &cmd);
 }

-bool lp_read_i2c(void *handle, uint32_t address, uint8_t offset, uint8_t *data, uint32_t size)
+static bool
+lp_read_i2c(void *handle, uint32_t address, uint8_t offset, uint8_t *data, uint32_t size)
 {
 	struct dc_link *link = handle;

@@ -49,14 +51,16 @@ bool lp_read_i2c(void *handle, uint32_t address, uint8_t offset, uint8_t *data,
 	return dm_helpers_submit_i2c(link->ctx, link, &cmd);
 }

-bool lp_write_dpcd(void *handle, uint32_t address, const uint8_t *data, uint32_t size)
+static bool
+lp_write_dpcd(void *handle, uint32_t address, const uint8_t *data, uint32_t size)
 {
 	struct dc_link *link = handle;

 	return dm_helpers_dp_write_dpcd(link->ctx, link, address, data, size);
 }

-bool lp_read_dpcd(void *handle, uint32_t address, uint8_t *data, uint32_t size)
+static bool
+lp_read_dpcd(void *handle, uint32_t address, uint8_t *data, uint32_t size)
 {
 	struct dc_link *link = handle;

--
2.7.4

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