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Commit 91143205 authored by Jayant Shekhar's avatar Jayant Shekhar
Browse files

drm/msm/dsi-staging: Update pclk calculation stored in mode 



pclk is udpated in mode which is used by usermode. Update
the calculation as per new recommendation.

Change-Id: Iee074cfdbc9a61f3587c5d36edcad0c54920464b
Signed-off-by: default avatarJayant Shekhar <jshekhar@codeaurora.org>
parent 0f90e9f9

drivers/gpu/drm/msm/dsi-staging/dsi_panel.c

+24 −5
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ 
#define DEFAULT_PANEL_JITTER_ARRAY_SIZE		2

#define MAX_PANEL_JITTER		10

#define DEFAULT_PANEL_PREFILL_LINES	25

#define TICKS_IN_MICRO_SECOND		1000000



enum dsi_dsc_ratio_type {

	DSC_8BPC_8BPP,
@@ -2431,12 +2432,15 @@ int dsi_dsc_populate_static_param(struct msm_display_dsc_info *dsc) 




static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,

				struct dsi_parser_utils *utils)

		struct dsi_parser_utils *utils, enum dsi_op_mode panel_mode)

{

	const char *data;

	u32 len, i;

	int rc = 0;

	struct dsi_display_mode_priv_info *priv_info;

	u64 h_period, v_period;

	u32 refresh_rate = TICKS_IN_MICRO_SECOND;

	struct dsi_mode_info *timing = NULL;



	priv_info = mode->priv_info;
@@ -2456,9 +2460,24 @@ static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode, 
		priv_info->phy_timing_len = len;

	};



	mode->pixel_clk_khz = (DSI_H_TOTAL_DSC(&mode->timing) *

			DSI_V_TOTAL(&mode->timing) *

			mode->timing.refresh_rate) / 1000;

	timing = &mode->timing;

	if (!timing) {

		pr_err("timing is null\n");

		return -EINVAL;

	}



	if (panel_mode == DSI_OP_CMD_MODE) {

		h_period = DSI_H_ACTIVE_DSC(timing);

		v_period = timing->v_active;

		do_div(refresh_rate, timing->mdp_transfer_time_us);

	} else {

		h_period = DSI_H_TOTAL_DSC(timing);

		v_period = DSI_V_TOTAL(timing);

		refresh_rate = timing->refresh_rate;

	}



	mode->pixel_clk_khz = (h_period * v_period * refresh_rate) / 1000;



	return rc;

}
@@ -3497,7 +3516,7 @@ int dsi_panel_get_mode(struct dsi_panel *panel, 
			pr_err(

			"failed to parse panel jitter config, rc=%d\n", rc);



		rc = dsi_panel_parse_phy_timing(mode, utils);

		rc = dsi_panel_parse_phy_timing(mode, utils, panel->panel_mode);

		if (rc) {

			pr_err(

			"failed to parse panel phy timings, rc=%d\n", rc);