Merge "msm: mdss: support mdp prefill bandwith for multiple platforms" (1351a680) · Commits · e / devices / android_kernel_sony_msm8994

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

+49 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,46 @@ Bus Scaling Data:
		bare no logic except for the use-case 0 where ab
		and ib values needs to be 0.

		- qcom,mdss-prefill-outstanding-buffer-bytes: The size of mdp outstanding buffer
		in bytes. The buffer is filled during prefill
		time and the buffer size shall be included in
		prefill bandwidth calculation.
		- qcom,mdss-prefill-y-buffer-bytes: The size of mdp y plane buffer in bytes. The
		buffer is filled during prefill time when format
		is YUV and the buffer size shall be included in
		prefill bandwidth calculation.
		- qcom,mdss-prefill-scaler-buffer-lines-bilinear: The value indicates how many lines
		of scaler line buffer need to be filled during
		prefill time. If bilinear scalar is enabled, then this
		number of lines is used to determine how many bytes
		of scaler buffer to be included in prefill bandwidth
		calculation.
		- qcom,mdss-prefill-scaler-buffer-lines-caf: The value indicates how many lines of
		of scaler line buffer need to be filled during
		prefill time. If CAF mode filter is enabled, then
		this number of lines is used to determine how many
		bytes of scaler buffer to be included in prefill
		bandwidth calculation.
		- qcom,mdss-prefill-post-scaler-buffer: The size of post scaler buffer in bytes.
		The buffer is used to smooth the output of the
		scaler. If the buffer is present in h/w, it is
		filled during prefill time and the number of bytes
		shall be included in prefill bandwidth calculation.
		- qcom,mdss-prefill-pingpong-buffer-pixels: The size of pingpong buffer in pixels.
		The buffer is used to keep pixels flowing to the
		panel interface. If the vertical start position of a
		layer is in the beginning of the active area, pingpong
		buffer must be filled during prefill time to generate
		starting lines. The number of bytes to be filled is
		determined by the line width, starting position,
		byte per pixel and scaling ratio, this number shall be
		included in prefill bandwidth calculation.
		- qcom,mdss-prefill-fbc-lines: The value indicates how many lines are required to fill
		fbc buffer during prefill time if FBC (Frame Buffer
		Compressor) is enabled. The number of bytes to be filled
		is determined by the line width, bytes per pixel and
		scaling ratio, this number shall be included in prefill bandwidth
		calculation.
		Optional properties:
		- batfet-supply : Phandle for battery FET regulator device node.
		- vdd-cx-supply : Phandle for vdd CX regulator device node.
		@@ -360,6 +400,15 @@ Example:
		qcom,mdss-mixer-intf-len = <0x00000400>;
		qcom,mdss-dspp-len = <0x00000400>;

		/* buffer parameters to calculate prefill bandwidth */
		qcom,mdss-prefill-outstanding-buffer-bytes = <1024>;
		qcom,mdss-prefill-y-buffer-bytes = <4096>;
		qcom,mdss-prefill-scaler-buffer-lines-bilinear = <2>;
		qcom,mdss-prefill-scaler-buffer-lines-caf = <4>;
		qcom,mdss-prefill-post-scaler-buffer-pixels = <2048>;
		qcom,mdss-prefill-pingpong-buffer-pixels = <5120>;
		qcom,mdss-prefill-fbc-lines = <2>;

		mdss_fb0: qcom,mdss_fb_primary {
		cell-index = <0>;
		compatible = "qcom,mdss-fb";

arch/arm/boot/dts/qcom/apq8084-mdss.dtsi

+9 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,15 @@
		<0x04B8 0xCCCCC0C0>,
		<0x04D0 0x00CCC000>;

		/* buffer parameters to calculate prefill bandwidth */
		qcom,mdss-prefill-outstanding-buffer-bytes = <1024>;
		qcom,mdss-prefill-y-buffer-bytes = <4096>;
		qcom,mdss-prefill-scaler-buffer-lines-bilinear = <2>;
		qcom,mdss-prefill-scaler-buffer-lines-caf = <4>;
		qcom,mdss-prefill-post-scaler-buffer-pixels = <2048>;
		qcom,mdss-prefill-pingpong-buffer-pixels = <5120>;
		qcom,mdss-prefill-fbc-lines = <2>;

		mdss_fb0: qcom,mdss_fb_primary {
		cell-index = <0>;
		compatible = "qcom,mdss-fb";

arch/arm/boot/dts/qcom/msm8226-mdss.dtsi

+9 −0

Original line number	Diff line number	Diff line
		@@ -70,6 +70,15 @@
		qcom,mdp-settings = <0x02E0 0x000000A5>,
		<0x02E4 0x00000055>;

		/* buffer parameters to calculate prefill bandwidth */
		qcom,mdss-prefill-outstanding-buffer-bytes = <1024>;
		qcom,mdss-prefill-y-buffer-bytes = <0>;
		qcom,mdss-prefill-scaler-buffer-lines-bilinear = <2>;
		qcom,mdss-prefill-scaler-buffer-lines-caf = <4>;
		qcom,mdss-prefill-post-scaler-buffer-pixels = <0>;
		qcom,mdss-prefill-pingpong-buffer-pixels = <4096>;
		qcom,mdss-prefill-fbc-lines = <0>;

		mdss_fb0: qcom,mdss_fb_primary {
		cell-index = <0>;
		compatible = "qcom,mdss-fb";

arch/arm/boot/dts/qcom/msm8974-mdss.dtsi

+9 −0

Original line number	Diff line number	Diff line
		@@ -84,6 +84,15 @@
		<0x04B0 0xCCCCC0C0>,
		<0x04B8 0xCCCCC000>;

		/* buffer parameters to calculate prefill bandwidth */
		qcom,mdss-prefill-outstanding-buffer-bytes = <1024>;
		qcom,mdss-prefill-y-buffer-bytes = <4096>;
		qcom,mdss-prefill-scaler-buffer-lines-bilinear = <2>;
		qcom,mdss-prefill-scaler-buffer-lines-caf = <4>;
		qcom,mdss-prefill-post-scaler-buffer-pixels = <0>;
		qcom,mdss-prefill-pingpong-buffer-pixels = <4096>;
		qcom,mdss-prefill-fbc-lines = <2>;

		mdss_fb0: qcom,mdss_fb_primary {
		cell-index = <0>;
		compatible = "qcom,mdss-fb";

drivers/video/msm/mdss/mdss.h

+11 −0

Original line number	Diff line number	Diff line
		@@ -84,6 +84,16 @@ struct mdss_intr {
		spinlock_t lock;
		};

		struct mdss_prefill_data {
		u32 ot_bytes;
		u32 y_buf_bytes;
		u32 y_scaler_lines_bilinear;
		u32 y_scaler_lines_caf;
		u32 post_scaler_pixels;
		u32 pp_pixels;
		u32 fbc_lines;
		};

		struct mdss_data_type {
		u32 mdp_rev;
		struct clk *mdp_clk[MDSS_MAX_CLK];
		@@ -185,6 +195,7 @@ struct mdss_data_type {
		struct mdss_debug_inf debug_inf;
		bool mixer_switched;
		struct mdss_panel_cfg pan_cfg;
		struct mdss_prefill_data prefill_data;
		};
		extern struct mdss_data_type *mdss_res;