The driver expects DT to provide the parent to MDP core clock. The only operation done to the parent clock is to set a rate. This can be achieved by setting the rate on the core clock itsef. Don't try to get the parent clock anymore.
Signed-off-by: Archit Taneja architt@codeaurora.org --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 7 ++----- drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h | 1 - 2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 1d840ae..b46961e 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -629,9 +629,6 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface_clk", true); if (ret) goto fail; - ret = get_clk(pdev, &mdp5_kms->src_clk, "core_clk_src", true); - if (ret) - goto fail; ret = get_clk(pdev, &mdp5_kms->core_clk, "core_clk", true); if (ret) goto fail; @@ -646,7 +643,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) * rate first, then figure out hw revision, and then set a * more optimal rate: */ - clk_set_rate(mdp5_kms->src_clk, 200000000); + clk_set_rate(mdp5_kms->core_clk, 200000000);
read_hw_revision(mdp5_kms, &major, &minor);
@@ -661,7 +658,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) mdp5_kms->caps = config->hw->mdp.caps;
/* TODO: compute core clock rate at runtime */ - clk_set_rate(mdp5_kms->src_clk, config->hw->max_clk); + clk_set_rate(mdp5_kms->core_clk, config->hw->max_clk);
/* * Some chipsets have a Shared Memory Pool (SMP), while others diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h index 9a25898..9cf5aa4 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h @@ -49,7 +49,6 @@ struct mdp5_kms {
struct clk *axi_clk; struct clk *ahb_clk; - struct clk *src_clk; struct clk *core_clk; struct clk *lut_clk; struct clk *vsync_clk;