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authorFangzhi Zuo <jerry.zuo@amd.com>2023-10-18 09:38:33 -0400
committerAlex Deucher <alexander.deucher@amd.com>2023-11-07 11:17:03 -0500
commit8df0d7d33a58d9394bd1240205e393d5f2bab6c7 (patch)
tree39828644a156b47be7e9b12ef4a7e92ec9482d86 /drivers/gpu/drm/amd/display/dc/dcn20
parent92e11f0159f6635bb8b0a7bb427ddb525bccbcb5 (diff)
drm/amd/display: Allow 16 max_slices for DP2 DSC
Enable 12 and 16 max_slices for DP2 DSC Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Hersen Wu <hersenxs.wu@amd.com> Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
index 5eebe7f03ddc..c9ae2d8f0096 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
@@ -137,7 +137,15 @@ void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock_100Hz)
dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 2;
}
- // TODO DSC: This is actually image width limitation, not a slice width. This should be added to the criteria to use ODM.
+ /* For pixel clock bigger than a single-pipe limit needing four engines ODM 4:1, which then quardruples our
+ * throughput and number of slices
+ */
+ if (pixel_clock_100Hz > DCN20_MAX_PIXEL_CLOCK_Mhz*10000*2) {
+ dsc_enc_caps->slice_caps.bits.NUM_SLICES_12 = 1;
+ dsc_enc_caps->slice_caps.bits.NUM_SLICES_16 = 1;
+ dsc_enc_caps->max_total_throughput_mps = DCN20_MAX_DISPLAY_CLOCK_Mhz * 4;
+ }
+
dsc_enc_caps->max_slice_width = 5184; /* (including 64 overlap pixels for eDP MSO mode) */
dsc_enc_caps->bpp_increment_div = 16; /* 1/16th of a bit */
}