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disp: msm: dp: fix bpp to 24 in TU calc for SST DSC

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When using the TU calculator for SST DSC usecase, the calculator
expects the bpp to be 24 irrespective of the actual panel bpp.

Change-Id: Ifdab2c00a2a99b4d7d7dea7eadb33bc34e3cfa8b
Signed-off-by: Rajkumar Subbiah <quic_rsubbia@quicinc.com>
This commit is contained in:
Rajkumar Subbiah
2022-10-25 17:36:50 -04:00
committed by Gerrit - the friendly Code Review server
parent fb5ecba0af
commit 2238b58cf0
1 changed files with 3 additions and 1 deletions
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4
msm/dp/dp_panel.c
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@@ -392,7 +392,7 @@ static void dp_panel_update_tu_timings(struct dp_tu_calc_input *in,
tu->orig_lwidth = in->hactive;
tu->hbp_relative_to_pclk_fp = drm_fixp_from_fraction(in->hporch, 1);
tu->orig_hbp = in->hporch;
tu->rb2 = (in->hporch <= 80) ? 1 : 0;
tu->rb2 = (in->hporch < 160) ? 1 : 0;
if (tu->pixelEnc == 420) {
temp1_fp = drm_fixp_from_fraction(2, 1);
@@ -423,6 +423,8 @@ static void dp_panel_update_tu_timings(struct dp_tu_calc_input *in,
if (!in->dsc_en)
goto fec_check;
tu->bpp = 24; // hardcode to 24 if DSC is enabled.
temp1_fp = drm_fixp_from_fraction(in->compress_ratio, 100);
temp2_fp = drm_fixp_from_fraction(in->bpp, 1);
temp3_fp = drm_fixp_div(temp2_fp, temp1_fp);