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Commit a01d76f2 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: mdss: add fudge factor for command mode panel"

parents b129dbbe 4520e44d

Documentation/devicetree/bindings/fb/mdss-mdp.txt

+2 −0
Original line number Diff line number Diff line
@@ -385,6 +385,8 @@ Fudge Factors: Fudge factors are used to boost demand for 
				values when the overlap bandwidth is the

				predominant value compared to prefill bandwidth

				value.

- qcom,mdss-ib-factor-cmd:	This fudge factor is applied to calculated ib

				values in case of command mode.

- qcom,mdss-clk-factor:		This fudge factor is applied to calculated mdp

				clk rate in default conditions.

arch/arm/boot/dts/qcom/msm8939-mdss.dtsi

+2 −1
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
		/* Fudge factors */

		qcom,mdss-ab-factor = <1 1>;		/* 1 times    */

		qcom,mdss-ib-factor = <2 1>;		/* 2 times    */

		qcom,mdss-ib-factor-cmd = <10 6>;	/* 1.6 times */

		qcom,mdss-clk-factor = <105 100>;	/* 1.05 times */

		qcom,max-bandwidth-low-kbps = <2000000>;

		qcom,max-bandwidth-high-kbps = <2000000>;

drivers/video/msm/mdss/mdss.h

+1 −0
Original line number Diff line number Diff line
@@ -185,6 +185,7 @@ struct mdss_data_type { 
	struct mdss_fudge_factor ab_factor;

	struct mdss_fudge_factor ib_factor;

	struct mdss_fudge_factor ib_factor_overlap;

	struct mdss_fudge_factor ib_factor_cmd;

	struct mdss_fudge_factor clk_factor;



	u32 disable_prefill;

drivers/video/msm/mdss/mdss_debug.c

+3 −0
Original line number Diff line number Diff line
@@ -585,6 +585,9 @@ static int mdss_debugfs_perf_init(struct mdss_debug_data *mdd, 
	debugfs_create_file("ib_factor_overlap", 0644, mdd->perf,

		&mdata->ib_factor_overlap, &mdss_factor_fops);



	debugfs_create_file("ib_factor_cmd", 0644, mdd->perf,

		&mdata->ib_factor_cmd, &mdss_factor_fops);



	debugfs_create_file("clk_factor", 0644, mdd->perf,

		&mdata->clk_factor, &mdss_factor_fops);

drivers/video/msm/mdss/mdss_mdp.c

+10 −0
Original line number Diff line number Diff line
@@ -2655,6 +2655,16 @@ static int mdss_mdp_parse_dt_misc(struct platform_device *pdev) 
	mdss_mdp_parse_dt_fudge_factors(pdev, "qcom,mdss-ib-factor-overlap",

		&mdata->ib_factor_overlap);



	/*

	 * 1x factor on ib_factor_cmd as default value. This value is

	 * experimentally determined and should be tuned in device

	 * tree

	 */

	mdata->ib_factor_cmd.numer = 1;

	mdata->ib_factor_cmd.denom = 1;

	mdss_mdp_parse_dt_fudge_factors(pdev, "qcom,mdss-ib-factor-cmd",

		&mdata->ib_factor_cmd);



	mdata->clk_factor.numer = 1;

	mdata->clk_factor.denom = 1;

	mdss_mdp_parse_dt_fudge_factors(pdev, "qcom,mdss-clk-factor",