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drm/radeon: make dpcd parameters const

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-05-14 12:47:45 -04:00
parent a10e04f4c5
commit 0c3a88407e
2 changed files with 5 additions and 5 deletions
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8
drivers/gpu/drm/radeon/atombios_dp.c
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@ -253,7 +253,7 @@ void radeon_dp_aux_init(struct radeon_connector *radeon_connector)
#define DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
#define DP_PRE_EMPHASIS_MAX DP_TRAIN_PRE_EMPH_LEVEL_3
static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE],
static void dp_get_adjust_train(const u8 link_status[DP_LINK_STATUS_SIZE],
int lane_count,
u8 train_set[4])
{
@ -311,7 +311,7 @@ static int dp_get_max_dp_pix_clock(int link_rate,
/***** radeon specific DP functions *****/
int radeon_dp_get_max_link_rate(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE])
const u8 dpcd[DP_DPCD_SIZE])
{
int max_link_rate;
@ -328,7 +328,7 @@ int radeon_dp_get_max_link_rate(struct drm_connector *connector,
* if the max lane# < low rate lane# then use max lane# instead.
*/
static int radeon_dp_get_dp_lane_number(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE],
const u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
{
int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector));
@ -347,7 +347,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector,
}
static int radeon_dp_get_dp_link_clock(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE],
const u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
{
int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector));

2
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -754,7 +754,7 @@ extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
struct drm_connector *connector);
int radeon_dp_get_max_link_rate(struct drm_connector *connector,
u8 *dpcd);
const u8 *dpcd);
extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
u8 power_state);
extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);