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Commit 116f80db authored by Govinda Rajulu Chenna's avatar Govinda Rajulu Chenna
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drm/msm/dp: correct dsc params for dual-dsc config 



Adjust the bytes-per-chunk configuration value for
dual-dsc merge use-case and add support for slice_height
of 15 lines for modes with height evenly divisable by 15.

CRs-Fixed: 2325207
Change-Id: I1863709f0c844c2810a877aa61ca9ab89e4cdeae
Signed-off-by: default avatarGovinda Rajulu Chenna <gchenna@codeaurora.org>
parent 59076587

drivers/gpu/drm/msm/dp/dp_panel.c

+5 −2
Original line number Diff line number Diff line
@@ -1539,10 +1539,12 @@ static int dp_panel_dsc_prepare_basic_params( 
	comp_info->dsc_info.pic_height = dp_mode->timing.v_active;

	comp_info->dsc_info.slice_width = slice_width;



	if (comp_info->dsc_info.pic_height % 16)

	if (comp_info->dsc_info.pic_height % 16 == 0)

		comp_info->dsc_info.slice_height = 16;

	else if (comp_info->dsc_info.pic_height % 12 == 0)

		comp_info->dsc_info.slice_height = 12;

	else

		comp_info->dsc_info.slice_height = 16;

		comp_info->dsc_info.slice_height = 15;



	comp_info->dsc_info.bpc = dp_mode->timing.bpp / 3;

	comp_info->dsc_info.bpp = comp_info->dsc_info.bpc;
@@ -2239,6 +2241,7 @@ static void dp_panel_config_dsc(struct dp_panel *dp_panel, bool enable) 


		dsc->slice_per_pkt = comp_info->dsc_info.slice_per_pkt - 1;

		dsc->bytes_per_pkt = comp_info->dsc_info.bytes_per_pkt;

		dsc->bytes_per_pkt /= comp_info->dsc_info.slice_per_pkt;

		dsc->eol_byte_num = comp_info->dsc_info.eol_byte_num;

		dsc->dto_count = comp_info->dsc_info.pclk_per_line;

		dsc->be_in_lane = _dp_panel_calc_be_in_lane(dp_panel);