This makes sure that the MDP (locked to AXI) and the AXI/ABI1 run at the maximum frequency during blit operations.
Authors: Dima Zavin <[email protected]> Rebecca Schultz Zavin <[email protected]> Colin Cross <[email protected]> Signed-off-by: Carl Vanderlip <[email protected]> --- drivers/video/msm/mdp.c | 11 +++++++++++ drivers/video/msm/mdp_hw.h | 1 + 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c index b03204d..0bb19fa 100644 --- a/drivers/video/msm/mdp.c +++ b/drivers/video/msm/mdp.c @@ -52,6 +52,7 @@ static int locked_enable_mdp_irq(struct mdp_info *mdp, uint32_t mask) } /* if the mdp irq is not already enabled enable it */ if (!mdp_irq_mask) { + clk_set_rate(mdp->ebi1_clk, 128000000); clk_enable(mdp->clk); enable_irq(mdp->irq); } @@ -656,6 +657,13 @@ int mdp_probe(struct platform_device *pdev) goto error_get_mdp_clk; } + mdp->ebi1_clk = clk_get(NULL, "ebi1_clk"); + if (IS_ERR(mdp->ebi1_clk)) { + pr_err("mdp: failed to get ebi1 clk\n"); + ret = PTR_ERR(mdp->ebi1_clk); + goto error_get_ebi1_clk; + } + ret = request_irq(mdp->irq, mdp_isr, IRQF_DISABLED, "msm_mdp", mdp); if (ret) goto error_request_irq; @@ -681,6 +689,9 @@ int mdp_probe(struct platform_device *pdev) error_device_register: free_irq(mdp->irq, mdp); error_request_irq: + clk_put(mdp->ebi1_clk); +error_get_ebi1_clk: + clk_put(mdp->clk); error_get_mdp_clk: error_mddi_pmdh_register: iounmap(mdp->base); diff --git a/drivers/video/msm/mdp_hw.h b/drivers/video/msm/mdp_hw.h index fdf9e5e..7485a9e 100644 --- a/drivers/video/msm/mdp_hw.h +++ b/drivers/video/msm/mdp_hw.h @@ -46,6 +46,7 @@ struct mdp_info { char * __iomem base; int irq; struct clk *clk; + struct clk *ebi1_clk; struct mdp_out_interface out_if[MSM_MDP_NUM_INTERFACES]; int format; int pack_pattern; -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
