Merge "drm/msm/sde: adjust dp timings for widebus configuration" (bf40718e) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/gpu/drm/msm/sde/sde_encoder_phys_vid.c

+16 −1

Original line number	Diff line number	Diff line
		@@ -89,7 +89,8 @@ static void drm_mode_to_intf_timing_params(
		*/
		timing->width = mode->hdisplay; /* active width */

		if (vid_enc->base.comp_type == MSM_DISPLAY_COMPRESSION_DSC) {
		if (phys_enc->hw_intf->cap->type != INTF_DP &&
		vid_enc->base.comp_type == MSM_DISPLAY_COMPRESSION_DSC) {
		comp_ratio = vid_enc->base.comp_ratio;
		if (comp_ratio == MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1)
		timing->width = DIV_ROUND_UP(timing->width, 2);
		@@ -130,6 +131,20 @@ static void drm_mode_to_intf_timing_params(

		timing->wide_bus_en = vid_enc->base.wide_bus_en;

		/*
		* for DP, divide the horizonal parameters by 2 when
		* widebus or compression is enabled, irrespective of
		* compression ratio
		*/
		if (phys_enc->hw_intf->cap->type == INTF_DP &&
		(timing->wide_bus_en \|\| vid_enc->base.comp_ratio)) {
		timing->width = timing->width >> 1;
		timing->xres = timing->xres >> 1;
		timing->h_back_porch = timing->h_back_porch >> 1;
		timing->h_front_porch = timing->h_front_porch >> 1;
		timing->hsync_pulse_width = timing->hsync_pulse_width >> 1;
		}

		/*
		* For edp only:
		* DISPLAY_V_START = (VBP * HCYCLE) + HBP