[PATCH 11/46] drm/amd/display: Improve registers write

Wayne Lin Wayne.Lin at amd.com
Wed Apr 24 08:48:56 UTC 2024


From: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>

Add REG_SEQ_SUBMIT and REG_SEQ_WAIT_DONE to optimize the burst write for
the regama lut.

Acked-by: Wayne Lin <wayne.lin at amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
index 20481b144609..2d5d64276cb0 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
@@ -410,9 +410,10 @@ void dpp1_cm_program_regamma_lut(struct dpp *dpp_base,
 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_red_reg);
 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_green_reg);
 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].delta_blue_reg);
-
 	}
 
+	REG_SEQ_SUBMIT();
+	REG_SEQ_WAIT_DONE();
 }
 
 void dpp1_cm_configure_regamma_lut(
-- 
2.37.3



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