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drm/amdgpu: make some DP parameters const 

Ported from similar radeon patch.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-05-18 18:09:23 -04:00
parent 9e14c65c57
commit dc5f428d61
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/amd/amdgpu/atombios_dp.c
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@ -203,9 +203,9 @@ void amdgpu_atombios_dp_aux_init(struct amdgpu_connector *amdgpu_connector)
#define DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
#define DP_PRE_EMPHASIS_MAX DP_TRAIN_PRE_EMPH_LEVEL_3
static void amdgpu_atombios_dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE],
int lane_count,
u8 train_set[4])
static void amdgpu_atombios_dp_get_adjust_train(const u8 link_status[DP_LINK_STATUS_SIZE],
int lane_count,
u8 train_set[4])
{
u8 v = 0;
u8 p = 0;
@ -265,8 +265,8 @@ static int amdgpu_atombios_dp_get_max_dp_pix_clock(int link_rate,
* if the max lane# < low rate lane# then use max lane# instead.
*/
static int amdgpu_atombios_dp_get_dp_lane_number(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
const u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
{
int bpp = amdgpu_atombios_dp_convert_bpc_to_bpp(amdgpu_connector_get_monitor_bpc(connector));
int max_link_rate = drm_dp_max_link_rate(dpcd);
@ -284,8 +284,8 @@ static int amdgpu_atombios_dp_get_dp_lane_number(struct drm_connector *connector
}
static int amdgpu_atombios_dp_get_dp_link_clock(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
const u8 dpcd[DP_DPCD_SIZE],
int pix_clock)
{
int bpp = amdgpu_atombios_dp_convert_bpc_to_bpp(amdgpu_connector_get_monitor_bpc(connector));
int lane_num, max_pix_clock;