[PATCH 2/5] drm/msm/mdss: enable optional core clock for MDP5 MDSS
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Wed Jun 15 13:59:32 UTC 2022
Enable (optional) core (MDP_CLK) clock that allows accessing HW_REV
registers during the platform init.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/gpu/drm/msm/msm_mdss.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index b41848bfff91..f7b4628986b8 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -288,7 +288,7 @@ static int msm_mdss_reset(struct device *dev)
/*
* MDP5 MDSS uses at most three specified clocks.
*/
-#define MDP5_MDSS_NUM_CLOCKS 3
+#define MDP5_MDSS_NUM_CLOCKS 4
static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_data **clocks)
{
struct clk_bulk_data *bulk;
@@ -305,6 +305,7 @@ static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct clk_bulk_d
bulk[num_clocks++].id = "iface";
bulk[num_clocks++].id = "bus";
bulk[num_clocks++].id = "vsync";
+ bulk[num_clocks++].id = "core"; /* for hw_rev access */
ret = devm_clk_bulk_get_optional(&pdev->dev, num_clocks, bulk);
if (ret)
--
2.35.1
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