[PATCH 13/21] drm/amd/display: Add delay before logging clks from hw

Hamza Mahfooz hamza.mahfooz at amd.com
Wed Jan 31 20:11:19 UTC 2024


From: Ethan Bitnun <etbitnun at amd.com>

Add a small delay before reading clks from hw, to ensure correct values
are used for logging.

Reviewed-by: Alvin Lee <alvin.lee2 at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Ethan Bitnun <etbitnun at amd.com>
---
 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 8fa0aae941c3..e64e45e4c833 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -509,6 +509,8 @@ static void dcn32_auto_dpm_test_log(
 		}
 	}
 
+	msleep(5);
+
 	mall_ss_size_bytes = context->bw_ctx.bw.dcn.mall_ss_size_bytes;
 
     dispclk_khz_reg    = REG_READ(CLK1_CLK0_CURRENT_CNT); // DISPCLK
-- 
2.43.0



More information about the amd-gfx mailing list