Commit 0c3a8840 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: make dpcd parameters const 



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a10e04f4

drivers/gpu/drm/radeon/atombios_dp.c

+4 −4
Original line number Diff line number Diff line
@@ -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));

drivers/gpu/drm/radeon/radeon_mode.h

+1 −1
Original line number Diff line number Diff line
@@ -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);