From: Dillon Varone <dillon.varone@xxxxxxx>
[WHY&HOW]
Add additional delay factor when considering a safe time to flip for HWFQ
to be passed in by the driver.
Reviewed-by: Alvin Lee <alvin.lee2@xxxxxxx>
Acked-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx>
Signed-off-by: Dillon Varone <dillon.varone@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 1 +
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index 3e4abfa6d517..6ff87b023081 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -1657,6 +1657,7 @@ void dc_dmub_srv_fams2_update_config(struct dc *dc,
global_cmd->config.global.max_allow_delay_us = 100 * 1000; //100ms
global_cmd->config.global.lock_wait_time_us = 5000; //5ms
global_cmd->config.global.recovery_timeout_us = 5000; //5ms
+ global_cmd->config.global.hwfq_flip_programming_delay_us = 100; //100us
/* copy static feature configuration */
global_cmd->config.global.features.all = dc->debug.fams2_config.all;
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 87f2e4e38f9a..3e8d5f2d7429 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -1836,7 +1836,7 @@ struct dmub_cmd_fams2_global_config {
uint32_t num_streams;
union dmub_fams2_global_feature_config features;
uint32_t recovery_timeout_us;
- uint8_t pad[3];
+ uint32_t hwfq_flip_programming_delay_us;
};
union dmub_cmd_fams2_config {
--
2.34.1
