summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c7
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c11
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
index 5a547d41d4a1..693d852b1c40 100644
--- a/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
+++ b/drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c
@@ -70,6 +70,7 @@ static void dp_retrain_link_dp_test(struct dc_link *link,
struct dc_state *state = link->dc->current_state;
struct dc_stream_update stream_update = { 0 };
bool dpms_off = false;
+ bool needs_divider_update = false;
bool was_hpo_acquired = resource_is_hpo_acquired(link->dc->current_state);
bool is_hpo_acquired;
uint8_t count;
@@ -79,6 +80,10 @@ static void dp_retrain_link_dp_test(struct dc_link *link,
int num_streams_on_link = 0;
struct dc *dc = (struct dc *)link->dc;
+ needs_divider_update = (link->dc->link_srv->dp_get_encoding_format(link_setting) !=
+ link->dc->link_srv->dp_get_encoding_format((const struct dc_link_settings *) &link->cur_link_settings))
+ || link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA;
+
udelay(100);
link_get_master_pipes_with_dpms_on(link, state, &count, pipes);
@@ -95,7 +100,7 @@ static void dp_retrain_link_dp_test(struct dc_link *link,
pipes[i]->stream_res.tg->funcs->disable_crtc(pipes[i]->stream_res.tg);
}
- if (link->dc->res_pool->funcs->update_dc_state_for_encoder_switch) {
+ if (needs_divider_update && link->dc->res_pool->funcs->update_dc_state_for_encoder_switch) {
link->dc->res_pool->funcs->update_dc_state_for_encoder_switch(link,
link_setting, count,
*pipes, &audio_output[0]);
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index 0d667b54ccf8..e853ea110310 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -2250,12 +2250,15 @@ enum dc_status dcn31_update_dc_state_for_encoder_switch(struct dc_link *link,
int i;
#if defined(CONFIG_DRM_AMD_DC_FP)
- for (i = 0; i < state->stream_count; i++)
- if (state->streams[i] && state->streams[i]->link && state->streams[i]->link == link)
- link->dc->hwss.calculate_pix_rate_divider((struct dc *)link->dc, state, state->streams[i]);
+ if (link->dc->hwss.calculate_pix_rate_divider) {
+ for (i = 0; i < state->stream_count; i++)
+ if (state->streams[i] && state->streams[i]->link && state->streams[i]->link == link)
+ link->dc->hwss.calculate_pix_rate_divider((struct dc *)link->dc, state, state->streams[i]);
+ }
for (i = 0; i < pipe_count; i++) {
- link->dc->res_pool->funcs->build_pipe_pix_clk_params(&pipes[i]);
+ if (link->dc->res_pool->funcs->build_pipe_pix_clk_params)
+ link->dc->res_pool->funcs->build_pipe_pix_clk_params(&pipes[i]);
// Setup audio
if (pipes[i].stream_res.audio != NULL)