[PATCH 03/12] drm/amd/display: initialize i2c speed if not initialized in dcnxxx__resource.c

Anson Jacob Anson.Jacob at amd.com
Fri Jan 22 20:06:43 UTC 2021


From: Brendan Steve Leder <brendanSteve.Leder at amd.com>

Some dcnxxx__resource.c do not initialize the i2c speed; this patch adds
the required initialization at dc_construct().

Signed-off-by: Brendan Steve Leder <brendanSteve.Leder at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Anson Jacob <Anson.Jacob at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index aa9913092b92..aa89e521afe9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -761,6 +761,10 @@ static bool dc_construct(struct dc *dc,
 	if (!dc->res_pool)
 		goto fail;
 
+	/* center place to initialize */
+	if (dc->caps.i2c_speed_in_khz_hdcp == 0)
+		dc->caps.i2c_speed_in_khz_hdcp = dc->caps.i2c_speed_in_khz;
+
 	dc->clk_mgr = dc_clk_mgr_create(dc->ctx, dc->res_pool->pp_smu, dc->res_pool->dccg);
 	if (!dc->clk_mgr)
 		goto fail;
-- 
2.25.1



More information about the amd-gfx mailing list