37 static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc_config *dsc);
159 	struct drm_dsc_config *dsc;  member
510  * @dsc: DRM DSC configuration for this DSI output
517  * - For VIDEO mode they are not compressed by DSC and are passed as is.
527 		const struct drm_dsc_config *dsc)  in dsi_adjust_pclk_for_compression()  argument
529 	int new_hdisplay = DIV_ROUND_UP(mode->hdisplay * drm_dsc_get_bpp_int(dsc),  in dsi_adjust_pclk_for_compression()
530 			dsc->bits_per_component * 3);  in dsi_adjust_pclk_for_compression()
538 		const struct drm_dsc_config *dsc, bool is_bonded_dsi)  in dsi_get_pclk_rate()  argument
544 	if (dsc)  in dsi_get_pclk_rate()
545 		pclk_rate = dsi_adjust_pclk_for_compression(mode, dsc);  in dsi_get_pclk_rate()
565 	unsigned long pclk_rate = dsi_get_pclk_rate(mode, msm_host->dsc, is_bonded_dsi);  in dsi_byte_clk_get_rate()
584 	msm_host->pixel_clk_rate = dsi_get_pclk_rate(msm_host->mode, msm_host->dsc, is_bonded_dsi);  in dsi_calc_pclk()
711 	return msm_host->dsc &&  in msm_dsi_host_is_wide_bus_enabled()
839 	struct drm_dsc_config *dsc = msm_host->dsc;  in dsi_update_dsc_timing()  local
846 	/* first calculate dsc parameters and then program  in dsi_update_dsc_timing()
849 	slice_per_intf = dsc->slice_count;  in dsi_update_dsc_timing()
851 	total_bytes_per_intf = dsc->slice_chunk_size * slice_per_intf;  in dsi_update_dsc_timing()
852 	bytes_per_pkt = dsc->slice_chunk_size; /* * slice_per_pkt; */  in dsi_update_dsc_timing()
889 		reg_ctrl2 |= DSI_COMMAND_COMPRESSION_MODE_CTRL2_STREAM0_SLICE_WIDTH(dsc->slice_chunk_size);  in dsi_update_dsc_timing()
933 	if (msm_host->dsc) {  in dsi_timing_setup()
934 		struct drm_dsc_config *dsc = msm_host->dsc;  in dsi_timing_setup()  local
937 		/* update dsc params with timing params */  in dsi_timing_setup()
938 		if (!dsc || !mode->hdisplay || !mode->vdisplay) {  in dsi_timing_setup()
944 		dsc->pic_width = mode->hdisplay;  in dsi_timing_setup()
945 		dsc->pic_height = mode->vdisplay;  in dsi_timing_setup()
946 		DBG("Mode %dx%d\n", dsc->pic_width, dsc->pic_height);  in dsi_timing_setup()
948 		/* we do the calculations for dsc parameters here so that  in dsi_timing_setup()
951 		ret = dsi_populate_dsc_params(msm_host, dsc);  in dsi_timing_setup()
974 		hdisplay = DIV_ROUND_UP(msm_dsc_get_bytes_per_line(msm_host->dsc), bytes_per_pclk);  in dsi_timing_setup()
981 		if (msm_host->dsc)  in dsi_timing_setup()
1002 		if (msm_host->dsc)  in dsi_timing_setup()
1006 		if (!msm_host->dsc)  in dsi_timing_setup()
1010 			 * When DSC is enabled, WC = slice_chunk_size * slice_per_pkt + 1.  in dsi_timing_setup()
1014 			 *       and adjust DSC math to account for slice_per_pkt.  in dsi_timing_setup()
1016 			wc = msm_host->dsc->slice_chunk_size + 1;  in dsi_timing_setup()
1625 	if (dsi->dsc)  in dsi_host_attach()
1626 		msm_host->dsc = dsi->dsc;  in dsi_host_attach()
1753 static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc_config *dsc)  in dsi_populate_dsc_params()  argument
1757 	if (dsc->bits_per_pixel & 0xf) {  in dsi_populate_dsc_params()
1762 	switch (dsc->bits_per_component) {  in dsi_populate_dsc_params()
1767 		 * Only 8, 10, and 12 bpc are supported for DSC 1.1 block.  in dsi_populate_dsc_params()
1769 		 * this quard with the appropriate DSC version verification.  in dsi_populate_dsc_params()
1775 			      dsc->bits_per_component);  in dsi_populate_dsc_params()
1779 	dsc->simple_422 = 0;  in dsi_populate_dsc_params()
1780 	dsc->convert_rgb = 1;  in dsi_populate_dsc_params()
1781 	dsc->vbr_enable = 0;  in dsi_populate_dsc_params()
1783 	drm_dsc_set_const_params(dsc);  in dsi_populate_dsc_params()
1784 	drm_dsc_set_rc_buf_thresh(dsc);  in dsi_populate_dsc_params()
1787 	ret = drm_dsc_setup_rc_params(dsc, DRM_DSC_1_1_PRE_SCR);  in dsi_populate_dsc_params()
1789 		DRM_DEV_ERROR(&msm_host->pdev->dev, "could not find DSC RC parameters\n");  in dsi_populate_dsc_params()
1793 	dsc->initial_scale_value = drm_dsc_initial_scale_value(dsc);  in dsi_populate_dsc_params()
1794 	dsc->line_buf_depth = dsc->bits_per_component + 1;  in dsi_populate_dsc_params()
1796 	return drm_dsc_compute_rc_parameters(dsc);  in dsi_populate_dsc_params()
2482 	struct drm_dsc_config *dsc = msm_host->dsc;  in msm_dsi_host_check_dsc()  local
2486 	if (!msm_host->dsc)  in msm_dsi_host_check_dsc()
2489 	if (pic_width % dsc->slice_width) {  in msm_dsi_host_check_dsc()
2491 		       pic_width, dsc->slice_width);  in msm_dsi_host_check_dsc()
2495 	if (pic_height % dsc->slice_height) {  in msm_dsi_host_check_dsc()
2497 		       pic_height, dsc->slice_height);  in msm_dsi_host_check_dsc()
2586 	return msm_host->dsc;  in msm_dsi_host_get_dsc_config()