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path: root/kernel/drivers/gpu/drm/radeon/atombios_dp.c
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Diffstat (limited to 'kernel/drivers/gpu/drm/radeon/atombios_dp.c')
-rw-r--r--kernel/drivers/gpu/drm/radeon/atombios_dp.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/atombios_dp.c b/kernel/drivers/gpu/drm/radeon/atombios_dp.c
index 447dbfa6c..bd73b4069 100644
--- a/kernel/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/kernel/drivers/gpu/drm/radeon/atombios_dp.c
@@ -179,6 +179,7 @@ radeon_dp_aux_transfer_atom(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
switch (msg->request & ~DP_AUX_I2C_MOT) {
case DP_AUX_NATIVE_WRITE:
case DP_AUX_I2C_WRITE:
+ case DP_AUX_I2C_WRITE_STATUS_UPDATE:
/* The atom implementation only supports writes with a max payload of
* 12 bytes since it uses 4 bits for the total count (header + payload)
* in the parameter space. The atom interface supports 16 byte
@@ -254,7 +255,7 @@ 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])
{
@@ -312,7 +313,7 @@ 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;
@@ -329,7 +330,7 @@ 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));
@@ -348,7 +349,7 @@ 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));